Compaq Network Card Mega Post User Manual

User's Guide  
Mega-Post PCI-Diagnostic Card  
User's Guide  
1
 
User's Guide  
Power On Self-Test (POST) Codes  
Most AT and 386 computers (and a few XT computers) output status codes during POST. The  
Diagnostic Card displays these codes during and after POST. Refer to Appendix A for a comprehensive listing  
of POST codes provided by BIOS manufacturers.  
PCI Signal Definition:  
CLK  
Motherboard Clock Signal. Should be on when power is supplied to the  
motherboard even without CPU.  
BIOS  
BIOS Read Signal. Flashes when CPU reads BIOS code.  
Device Ready. Flashes when an IRDY signal is detected.  
ISA Oscillation Indicator. Indicate ISA Oscillation Signal is available.  
PCI Bus Frame. Should be on under normal circumstances and flashes  
when a PCI Frame Signal is detected.  
IRDY  
OSC  
FRAME  
RST  
12V  
-12V  
5V  
Reset. After power on or reset, this indicator should be on for an half  
second and then turned off.  
Power Supply, 12-Volt Positive. Should be on all the time otherwise there  
is a short circuit.  
Power Supply, 12-Volt Negative. Should be on all the time otherwise there  
is a short circuit.  
Power Supply, 5-Volt Positive. Should be on all the time otherwise there is  
a short circuit.  
-5V  
3V3  
Power Supply, 5-Volt Negative. Should be on all the time otherwise there  
is a short circuit.  
Power Supply, 3.3-Volt. Some motherboards have 3.3V power supply to  
PCI slots. This indicator should be on if the motherboard supplies 3.3V  
power.  
Installing the Mega-Post PCI-Diagnostic Card  
Installation Procedure  
TO INSTALL A Diagnostic Card:  
1) Install the Diagnostic Card in any available PCI or ISA expansion slot.  
2) Connect the second display by flat cable  
3) Connect the build-in speaker and motherboard with speaker cable  
4) Power on the machine.  
3
 
User's Guide  
POST Codes  
When the machine is turned on, the hexadecimal display should show the various POST codes as  
the system executes (unless it has a rare BIOS that does not display POST codes).  
If the machine does not boot, system POST has detected a fatal fault and stopped. The number  
showing in the hexadecimal display on the Diagnostic Card is the number of the test in which  
POST failed. Refer to Appendix A for a listing of POST codes.  
Troubleshooting During POST  
After initial power up, Power-On Self-Test (POST) codes begin displaying on the Diagnostic  
Card's hexadecimal displays (for most machines).  
NOTE: A few machines use the parallel port to display POST codes instead of the Diagnostic  
Card.  
THE POST PROCESS  
The ROM built onto the motherboard of the computer rums its built-in POST (Power-On Self-Test)  
when you switch power on to the computer, press the reset button on the computer, or press Ctrl-Alt-Del (warm  
boot). POST performs a tightly interwoven initialization and testing process  
for each of these methods, but it typically does not test or initialize memory above 64K for warm  
boot. You can get an even better idea of the detailed process by studying the POST code listings in  
Appendix A.  
4
 
Appendix A  
Error Code-00  
AMI  
AMI  
(00)Going to give control to INT 19H boot loader.  
Error Code-01  
(01)Processor register test about to start, and NMI to be disabled,286 reg. test about  
to start.  
(01)Processor test 1;Processor status(1FLAGS) verification; Tests the following processor  
status flags carry, zero, sign, overflow. The BIOS will set each of these  
flags, verify they are set then turn each flag off and verify it is off.  
Award  
(01)[Beep]=none 80286 register test in -progress.  
Phoenix  
Error Code - 02  
(02)NMI is disabled. Power on delay starting. Power on de- lay starting.286reg.  
(02)Test CPU register.  
AMI  
AST  
(02)Processor test 2;Read/write/verify all CPU registers except SS,SP and BP with  
data pattern FF&00.Determine status of manufacturing jumper.  
Award  
Chips&Tech  
Dell  
(02)Test CPU register.  
(02)[Beep]=1-1-3 CMOS write/read test .  
(02)Verify real-mode operation(Beep)=1-1-1-3.CPU Flags test.  
(02)[Beep]=1-1-3 CMOS write/read test in-progress or failure.  
Error Code - 03  
Phoenix  
Phoenix  
(03)Power on delay complete. To check soft reset/power-on. Any initialization  
before keyboard BAT is in progress. ROM BIOS checksum(32K at F800:0) passed.  
(03)Test 8042 keyboard controller reset.  
AMI  
AST  
(03)Initialize Chips; Disable NMI,PIE,AIE,UEI,SQWV, disable video, parity  
checking, DMA; Reset math Coprocessor; Clear all page registers, CMOS shutdown byte;  
Initialize timer 0,1 and 2 including set EISA timer to a known  
state; Initialize DMA controllers 0 and 1; Initialize interrupt controller 0 and 1;Initialize EISA  
extended registers. Calculate BIOS EPROM and sign-on message checksum; fail if not  
0.Initialize EISA registers(EISA)BIOS only).Clear 8042 keyboard controller.  
Award  
Chips & Tech (03)ROM did not checksum.  
(03)Disable Non-Maskable Interrupt(NMI).[Beep]=1-1-4 BIOS ROM checksum  
in-progress or failure.  
Phoenix&Dell  
Error Code - 04  
(04)Any initialization before keyboard BAT is complete. Reading keyboard SYS  
bit, to check soft reset/power-on. Reading keyboard SYS bit, to check soft reset/power On.  
Keyboard controller test with and without mouse passed. 8259 initialization OK.  
AMI  
(04)Low level keyboard communication, keyboard ID verification.  
AST  
(04)Test memory refresh toggle; RAM must be periodically refreshed in order to  
keep the memory from decaying. This function assures that the memory refresh  
function is working properly. Test CMOS RAM I/O port interface and verify battery  
power is available(bat. status=1).Reset 8042.  
Award  
Chips & Tech (04)DMA Controller failed.  
(04)Get the CPU type (Beep)=1-1-2-1.CPU register test. Programmable Interval  
Timer test failure.  
Phoenix&Dell  
Error Code - 05  
(05)Soft reset/power-on determined. Going to enable ROM. i.e. disable shadow  
RAM/Cache if any. Going to enable ROM.i.e. disable shadow RAM/cache if any. Chipset  
AMI  
AST  
initialization over, DMA and interrupt controller disabled. CMOS pending interrupt disabled.  
(05)Read keyboard input port.  
Chips & Tech (05)System timer bad.  
(05)Keyboard controller self-test enable keyboard interface. Blank video, Initialize  
keyboard; Keyboard controller initialization. Initialize Chips; Disable  
NMI,PIE,AIE,UEI, SQ- WV, disable video, parity checking, DMA; Reset math Co-  
processor; Clear all page registers,CMOS shutdown byte; Initialize timer 0,1 and 2 including  
set EISA timer to a known state; Initialize DMA controllers 0 and 1;Initialize interrupt  
controller 0 and 1; Initialize EISA extended Regis- ters.Get manufacturing status, reset if  
set(loop 1-5).  
Award  
Phoenix&Dell (05)[Beep]=1-2-2 DMA initialization in-progress or failure.  
5
 
Appendix A  
Error Code - 06  
(06)ROM is enabled. Calculating ROM BIOS checksum, and waiting for Keyboard  
controller input buffer to be free. Calculating ROM BIOS checksum.. Video disabled and sys-  
tem timer test begin Video disabled and system timer counting  
OK.  
AMI  
AST  
(06)Support chipset initialize.  
(06)Test memory refresh toggle; RAM must be periodically refreshed in-order to  
keep the memory from decaying. This function assures that the memory refresh  
function is working properly. Initialize chips.  
Award  
Chips & Tech (06)64K RAM Failed.  
Phoenix&Dell (06)Initialize system hardware (Beep)=1-1-2-3.DMA page register write/read test  
in-progress or fail.  
Error Code - 07  
AMI  
(07)ROM BIOS checksum passed. CMOS shutdown register test to be done  
next.ROM BIOS checksum passed, Keyboard controller I/B free. Going to issue the  
BAT command to keyboard controller. Going to issue the BAT command to keyboard  
controller.CH-2 of 8254 initialization half way.CH-2 of 8253 test OK  
(07)Verifies CMOS's basis R/W functionality Test CMOS interface and battery  
status; Verifies CMOS is working correctly, detects bad battery. Setup low memory;  
Early chip set initialization; Memory presence test; OEM chip set routines; Clear  
low 64K of memory; Test first 64K memory; clear lower 256K of memory, enable  
parity checking and test parity in lower 256K; test lower 25 If the BIOS detects  
error 2C,2E,or 30(base 512K RAM error),it displays 6K memory. Set up stack,beep.  
Read/write/verify CPU registers.  
Award  
Chips & Tech (07)64K RAM failed data test (Base Memory)  
Error Code - 08  
ACER  
AMI  
(08)Shutdown 0.  
(08)CMOS shutdown register test done. CMOS checksum calculation to be done  
next. BAT command to keyboard controller is issued. Going to verify the BAT command.  
Going to verify the BAT command. CH-2 of timer initialization over.  
CH-2 delta count test OK  
(08)Setup low memory; Early chip set initialization; Memory presence test; OEM  
chip set routines; Clear low 64K of memory; Test first 64K memory; clear lower  
256K of memory, enable parity checking and test parity in lower 256K; test lower  
256K memory. Set up stack, beep. Setup interrupt vector table in lower 1K RAM  
area; Initialize first 120 interrupt vectors with SPURIOUS_INT_HDLR and initialize INT 00h-  
1Fh according to INT_TBL. Initialize CMOS timer.  
Award  
Chips & Tech (08)Interrupt Controller bad.  
Phoenix&Dell (08)Initialize chipset registers with POST values. [Beep]= 1-3-1 RAM refresh  
verification in-progress or failure.  
Error Code - 09  
AMI  
(09)CMOS checksum calculation is done, CMOS diag byte written. CMOS initialize to begin.  
Keyboard controller BAT result verified. Keyboard command  
byte to be written next.(09)Keyboard command byte to be written next. CH-1 of  
timer initialization over. CH-1 delta count test OK.  
(09)Verify BIOS ROM checksum, flush external cache.  
AST  
(09)Program the configuration register of Cyrix CPU. OEM specific cache initialization., Early  
Cache initialization; Cyrix CPU initialization; cache initialization. Test CMOS RAM  
checksum; beep; also test extended storage of parameters in the motherboard chipset; if not  
warm- booting; display the Test  
Award  
CMOS RAM checksum message, if bad, or insert key pressed, load defaults if bad.  
Check BIOS Checksum.  
Chips & Tech (09)Unexpected interrupt is occurring.  
Phoenix&Dell (09)Set POST flay.(Beep)=1-1-3-2. 1st 64K RAM test in-progress.  
Error Code - 0A  
AMI  
(0A)CMOS initialization done(if any). Keyboard command byte code is issued.  
Going to write command byte data. Go- ing to write command byte data. CH-0 of  
timer initialization over. CH-0 delta count test OK  
(0A)Initialize the first 32 interrupt vectors. Initialize INTs 33 to 120.Early Power Management  
initialization. Setup interrupt vector table in lower 1K RAM area; Initialize first 120 interrupt  
vectors with SPURIOUS_INT_HDLR and initialize  
Award  
INT 00h-1Fh according to INT_TBL. Initialize key- board; Detect type of keyboard  
controller(optional 8242 or 8248, with Nedadon XOR gate control); Set NUM_LOCK status.  
Reset keyboard test keyboard controller interface to verify it  
returned AAH and responded to enable/disable commands, set keyboard buffer,  
enable keyboard and keyboard interrupts for normal use, beep, halt .Initialize Video  
controller.  
Chips & Tech (0A)Timer cannot interrupt.  
6
 
Appendix A  
Phoenix&Dell (0A)Initialize CPU registers. (Beep)=1-1-3-3. Perform BIOS checksum test. 1st  
64K RAM chip or data line failure multi-bit.  
Error Code - 0B  
AMI  
CMOS status register initialize done. Keyboard controller command byte is written.  
Going to issue Pin-23,24 block- ing/ unblocking command. Going to issue pin-23,24 blocking/  
nubolcking command. Refresh started. Parity status cleared  
(0B)Verify the RTC time is valid or not. Detect bad battery. Read CMOS data into  
BIOS stack area. Perform PnP initializations. Assign I/O & Memory for PCI devices (PCI  
BIOS Only). Test CMOS RAM checksum; beep; also test extended storage of parameters in the  
motherboard chipset; if not warm-booting, display the  
Award  
Test CMOS RAM check- sum message, if bad, or insert key pressed, load defaults  
if bad. Initialize video interface; Detect CPU clock; Read CMOS location 14b to  
find out type of video in use; Detect and initialize video adapter. 8254 timer, channel 0 test.  
Chips & Tech (0B)CPU protected mode.  
Phoenix&Dell (0B)Enable CPU Cable-Check CPU Jumpers. [Beep]=1-3-4 1st 64K RAM  
odd/even logic failure.  
Error Code - 0C  
AMI  
(0C)KB controller I/B free. Going to issue the BAT command to keyboard  
controller. Pin-3,24 of keyboard controller is blocked/unblocked. NOP command of  
key- board controller to be issued next. NOP command of key- board controller to  
be issued next. System timer started. Refresh & system timer OK  
(0C)Initialization of the BIOS data area(40:00-40:FF). Initialize keyboard; Detect  
type of keyboard controller (optional 8242 or 8248, with Nedadon XOR gate control); Set  
NUM_LOCK status. Reset keyboard test keyboard controller interface  
to verify it returned AAH and responded to enable/disable commands, set keyboard  
buffer, enable keyboard and keyboard interrupts for normal use,beep,halt.8254  
timer, channel 1 test.  
Award  
Chips & Tech (0C)DMA register failure.  
Phoenix&Dell (0C)Initialize cache to initial POST value. Test DMA page registers. [Beep]=1-4-1  
1st 64K RAM address line failure.  
Error Code - 0D  
AMI  
AST  
(0D)BAT command to keyboard controller is issued. Going to verify the BAT command. NOP  
command processing is done. CMOS shutdown register test to be  
done next. CMOS shutdown register test to be done next. Refresh link toggling  
passed. Refresh link toggling passed.  
(0D)(Beeps)=13 short,8254 timer register.  
Chips & Tech (0D) (Beeps)=14 short, Refresh failure.  
Award (0D)Program some of the chipset's value. Measure CPU speed for display. Video  
initialization including MDA, CGA,EGA/VGA. Initialize video interface; Detect  
CPU clock; Read CMOS location 14b to find out type of video in use; Detect and initialize  
video adapter. OEM specific-Initialize motherboard special chipset as  
required by OEM; initialize cache controller early, when cache is separate from chipset.8254  
timer, channel 2 test.  
Phoenix&Dell (0D)[Beep]=1-4-2 1st 64K RAM parity test in progress or failure.  
Error Code - 0E  
(0E)(Beeps)=14 short, ASIC registers.  
(0E)Keyboard controller BAT result verified. Any initialization after KB controller  
BAT to be next. CMOS shutdown register R/W test passed. Going to calculate CMOS  
checksum, and update DIAG. Goint to calculate CMOS checksum,and  
update DIAG Byte. Refresh period ON/OFF 50% OK  
AST  
AMI  
(0E)Initialize the APIC(Multi-Processor BIOS only). Test video RAM(If Monochrome display  
device found). Show startup screen message. Test video memory; Test video memory, write  
sign-on message to screen. Setup shadow RAM-Enable shadow according to setup. Test COMS  
Shutdown byte.  
Award  
Chips & Tech (0E)(Beeps)=14 short, Keyboard controller failure.  
Phoenix  
(0E)Initialize I/O.(Beep)=1-1-4-3. Test 8254 timers.  
Error Code - 0F  
AMI  
(0F)initialization after KB controller BAT done. Keyboard command byte to be  
written next. CMOS checksum calculation is done, DIAG byte written. CMOS Init.  
To begin(If "INIT CMOS IN EVERY BOOT IS SET").CMOS initialization to begin(If "INIT  
CMOS IN EVERY BOOT IS SET").  
AST  
Award  
(0F)(Beeps)=15 short,CMOS RAM shutdown.  
(0F)DMA channel 0 Test. Test DMA controller 0; BIOS checksum test, keyboard  
detect and initialization. Test Extended CMOS.  
Chips & Tech (0F)(Beeps)=15 short, Protected mode failure.  
Phoenix  
(0F)Initialize the local IDE  
Error Code - 10  
AMI  
(10)KB controller command byte is written. Going to issue pin-23,24  
blocking/unblocking command. CMOS initia- lization done(if any). CMOS status  
7
 
Appendix A  
blocking/unblocking command. CMOS initia- lization done(if any). CMOS status  
register about to Init for Date and Time. CMOS status register about to Init for Date  
and Time. Refresh on and about to start 64K base memory test. Confirmed refresh  
ON & about to start 64K memory.  
(10)DMA controller test 0 register  
AST  
(10)DMA channel 1 Test. Test DMA controller 1 with AA, 55,FF,00 pattern.8237  
DMA,channel 0 test.  
Award  
(10)PPI disabled, Program timers 0 & 1.  
Compaq  
Chips & Tech (10)(Beeps)=19 short, IDT,GDT failure.  
lize  
8254  
Phoenix&Dell (10)Initialize  
Power  
Management.(Beep)=1-2-1-1.Initia-  
timers.[Beep]=2-1-1 1st 64K RAM chip or data line failure-bit 0.  
Error Code - 11  
AMI  
(11)Pin23,24 of keyboard controller is blocked/unblocked. Going to check to check  
pressing of <INS>key during power-on.CMOS status register initialized. Going to  
disable DMA and Interrupt controllers. Going to disable DMA and interrupt controllers.  
Address line test passed. Address line test passed.  
AST  
Award  
(11)DMA controller test register 1.  
(11)DMA page register test. Test DMA page registers, use I/O ports to test address  
circuits. POST enables user reboot here. Test DMA page registers. FATAL DISPLAY ER-  
RORS.8237 DMA, channel 1 test.  
(11)Init(blast)VDU controllers.  
Compaq  
Chips & Tech (11)Register LDT failure.  
Phoenix&Dell (11)Load alternate registers with POST values.(Beep)=1-2- 2. 1st 64K RAM chip or  
data line failure-bit 1.  
Error Code - 12  
AMI  
(12)Checking for pressing of <INS>key during power-on done. Going to disable  
DMA and Interrupt controllers.DMA controller#1,#2,interrupt controller#1,#2 disabled. About  
to disable Video display and Init port-B. About to disable video display and Init port-B.64K  
base memory test passed. 64K base memory test  
passed.  
AST  
Award  
(12)DMA page registers test.  
(12)Call support 800-909-3424. Test 8254 timer 0 channel 0. Test DMA page  
registers.  
(12)Clear screen, turn on video.  
Compaq  
Chips & Tech (12)Task register failure.  
Phoenix&Dell (12)Restore CPU control word during warm boot. Jump to User Path  
0.(Beep)=1-2-1-3.Test both 8237 DMA controllers. 1st 64K RAM chip or data line  
failure-bit 2.  
Error Code - 13  
AMI  
(13)DMA controller#1,#2,interrupt controller#1,#2disa- bled. About to disable  
Video display and initialize port-B. Chipset initialize/auto memory detection about  
to begin. Replace first memory SIMM.(13)Chipset initialize/auto memory detection  
about to begin. Check first SIMM.(13) Interrupt vectors initialized.  
(13)Initialize video.  
(13)Test 8254 timer 0 channel 1. Test keyboard controller.  
(13)Test timer 0.  
AST  
Award  
Compaq  
Chips & Tech (13)LSL instruction failure.  
Phoenix&Dell [Beep]=2-1-4 1st 64K RAM chip or data line failure-bit 3. Initialize PCI Bus  
Mastering devices.  
Error Code - 14  
ACER  
AMI  
(14)DMA Controller.  
(14)Chipset initialization/auto memory detection over. To un-compress the POST  
code if compressed BIOS.8254 timer test about to start.8254 timer test about to start.8042  
keyboard controller test OK.  
AST  
Award  
(14)Memory refresh test.  
(14)Test 8254 timer 0 counter 2. Test timer counter 2; Test 8254 timer 0 counter 2.  
Test memory refresh.  
Compaq  
Chips & Tech (14)LAR failure.  
Phoenix&Dell (14)Initialize keyboard  
(14)Disable RTC interrupts.  
controller.(Beep)=1-2-2-1.Initialize  
8237  
DMA  
controllers.[Beep]=2-2-1 1st 64K RAM chip or data line failure-bit 4.  
Error Code - 15  
(15)POST code is un-compressed.8254 timer about to start. CH-2 timer test  
AMI  
halfway.8254 CH-2 timer test to be complete.8254 CH-2 timer test to be completed. Interrupt  
vectors initialized. CMOS read/write test OK.  
Award  
Compaq  
(15)test 8259 interrupt mask bits for channel 1. Test 8259-1 mask bits; Verify 8259 channel 1  
masked interrupt by alternate turning off and on the interrupt line. Test  
1st 64K of system memory.  
(15)Check battery power.  
8
 
Appendix A  
Chips & Tech (15)VERW/VERR failure.  
Phoenix&Dell (15)[Beep]=2-2-2 1st 64K RAM chip or data line failure-bit 5.  
Error Code - 16  
AMI  
(16)CH-2 timer test over.8254 CH-1 timer test to be complete. CMOS checksum/battery check  
OK  
(16)Test 8259-2 mask bits; Verify 8259 channel 2 masked interrupt by alternate  
turning off and on the interrupt line. Setup Interrupt vectors.  
(16)Battery power was lost.  
Award  
Compaq  
Chips & Tech (16)Keyboard controller gate A20 failure.  
Phoenix&Dell (16)BIOS ROM checksum.(Beep)=1-2-2-3.  
Initialize  
8259,  
reset  
Coprocessor.[Beep]=2-2-3 1st 64K RAM chip or data line failure-bit 6.  
Error Code - 17  
AMI  
(17)CH-1 timer test over.8254 CH-0 timer test to be completed. Monochrome mode  
set.  
Award  
Compaq  
(17)Test struck 8259's interrupt bits; Turn off interrupt then verify no interrupt mask register is  
on. Setup video I/O operations.  
(17)Cler CMOS-DIAG  
Phoenix&Dell (17)Initialize cache before memory auto-size.[Beep] =2-2-4 1st 64K RAM chip or  
data line failure-bit 7.  
Error Code - 18  
ACER  
AMI  
(18)Timer initialize.  
(18)CH-0 timer test over. About to start memory refresh. Color mode set.  
(18)Testing Video memory.  
(18)Test 8259 interrupt functionality; Force an interrupt and verify the interrupt occurred. Test  
video memory.  
(18)[Beep]= 2-3-1 1st 64K RAM chip or data line failure- bit 8  
(18)Test base memory(first 128K)  
AST  
Award  
Dell  
Compaq  
Chips & Tech (18)Shutdown during memory test.  
Phoenix&Dell (18)8254 timer initialization.(Beep)=1-2-3-1. Test 8259 interrupt controllers  
registers.[Beep]=2-3-1 1st 64K RAM chip or data line failure-bit 8.  
Error Code - 19  
AMI  
(19)82 timer test over. Memory refresh test to be done next. About to look for optional video  
ROM at segment C000 and give control to the optional video ROM  
if present.  
Award  
(19)Test 8259 functionality. Test stuck NON-Maskable Interrupt bits(Parity/I/O check);Verify  
NMI can be cleared. 8259 Interrupt controller, channel 1 mask bits  
test.  
Compaq  
(19)Clear and initialize base memory.  
Phoenix&Dell (19)check memory[Beep]=2-3-2 1st 64K RAM chip or data line failure-bit 9.  
Error Code - 1A  
AMI  
(1A)Memory refresh line is toggling. Going to check 15 micro second ON/OFF  
time. Return from optional video ROM. Optional video ROM control OK  
(1A)Display CPU clock.8259 Interrupt controller, channel 2 mask bits test.  
(1A)Initialize and test VDU adapters.  
Award  
Compaq  
Chips & Tech (1A)Copyright checksum errors.  
Phoenix&Dell (1A)8237 DMA controller initialization.(Beep)=1-2-3-3. Verify refresh is  
occurring.[Beep]=2-3-3 1st 64K RAM chip or data line failure-bit A.  
Error Code - 1B  
AMI  
(1B)Memory refresh period 30 micro second test complete. Base 64K memory test  
about to start. Shadow RAM enable /disable completed. Display memory read/write  
test OK.  
Award  
(1B)Test CMOS battery status. Test the system ROM.  
Chips & Tech (1b)Shutdown during memory sizing.  
Phoenix&Dell (1B)[Beep]=2-4-1 1st 64K RAM chip or data line failure- bit B.  
Error Code - 1C  
ACER  
AMI  
(1C)Memory refresh.  
(1C)Display memory read/write test for main display type as set in the CMOS setup  
program over. Display memory read/write test for alternate display OK.  
(1C)Test CMOS RAM checksum. Test CMOS.  
Award  
Chips & Tech (1C)Chip-Set initialization.  
Phoenix&Dell (1C)[Beep]=2-4-1 1st 64K RAM chip or data line failure- bit C.Reset  
Programmable Interrupt Controller.(Beep)=1-2 -4-1.Base 64K address test.  
Error Code - 1D  
AMI  
(1D)Display memory read/write test for alternate display type complete if main  
display memory read/write test returns error. Video retrace check OK. Set configuration from  
CMOS.  
Compaq  
(1D)Test DMA controller and page registers.  
Phoenix&Dell (1D)[Beep]=2-4-2 1st 64K RAM chip or data line failure- bit D  
Error Code - 1E  
9
 
Appendix A  
(1E)Select memory type.  
(1E)Global equipment byte set for proper display type.  
(1E)If EISA NVM checksum is good, execute EISA initialization(EISA BIOS ONLY). Size  
system memory.  
(1E)Test keyboard controller.  
ACER  
AMI  
Award  
Compaq  
Phoenix&Dell (1E)[Beep]=2-4-3 1st 64K RAM chip or data line failure- bit E.Base 64K RAM  
test(16 bits).  
Error Code - 1F  
AMI  
(1F)Video mode set call for mono/color begins. Mode set call for mono/color OK.  
Set EISA mode; If EISA non- volatile memory checksum is good, execute EISA initialization.  
If not, execute ISA test an clear EISA mode flag. Test EISA configuration memory  
integrity(checksum & comm.- unication interface).  
Award  
Compaq  
(1F)Test system memory.  
(1F)Test 286 protected mode.  
Phoenix&Dell (1F)[Beep]=2-4-4 1st 64K RAM chip or data line failure- bit F.  
Error Code - 20  
ACER  
AMI  
(20)Test 128K.  
(20)Memory refresh period 30 micro second test complete. Base 64K memory/address test  
started. Address line test to be done next. Video mode set  
completed.  
AST  
Award  
(20)Power up bus board(EISA only).  
(20)Enable slot 0;Initialize slot 0(system board).(Check memory size).8259 stuck  
bits test.  
Compaq  
(20)Test real and extended memory.  
Phoenix&Dell (20)[Beep]=3-1-1 master DMA register test in-progress or failure. Test DRAM  
refresh.(Beep)=1-3-1-1. Upper 16 of 32 bit test failed.  
Error Code - 21  
AMI  
(21)Address line test passed. Going to do toggle parity. (21)ROM type 27256 verified. Video  
display OK.  
Award  
Compaq  
(21)Enable slots 1 through 15;Initialize slot 1.Test stuck NMI bits (parity I/O  
check).  
(21)Init time-of-day.  
Phoenix&Dell (21)[Beep]=3-1-2 slave DMA register test in-progress or failure.  
Error Code - 22  
AMI  
(22)Toggle parity over. Going for sequential data R/W test on 64K memory. Power  
on message display OK.  
Award  
Compaq  
(22)Enable slots 2; Initialize slot 2.Test 8259 working.  
(22)Init 287 Coprocessor.  
Phoenix&Dell (22)[Beep]=3-1-3 master interrupt mask register test in- progress or fail. Test 8742  
keyboard controller.(Beep)=1- 3-1-3  
Error Code - 23  
AMI  
(23)Base 64K sequential data R/W test passed. Going to SET BIOS stack and to do  
any setup before Interrupt vector Init. Any setup before interrupt vector Init about to  
start. Power on message displayed.  
Award  
Compaq  
(23)Enable slots 3;Initialize slot 3.Test protected mode.  
(23)Test keyboard and interface.  
Phoenix&Dell [Beep]=3-1-4 slave interrupt mask register test in-progress or fail.  
Error Code - 24  
ACER  
AMI  
(24)Test keyboard controller(8042).  
(24)Setup required before vector initialization complete. Interrupt vector initialization about to  
begin.  
(24)Enable slots 4;Initialize slot 4.Size extended memory.  
(24)reset A20 ads set default CPU speed.  
Award  
Compaq  
Phoenix  
(24)Set ES segment to register to 4 GB.(beep)=1-3-2-1. Verify CMOS/Configure  
CMOS.  
Error Code - 25  
(25)Interrupt vector initialization done. Going to read Input port of 9042 for turbo  
switch(if any).Going to read I/O port of 8042 for turbo switch(if any).  
(25)Enable slots 5;Initialize slot 5.Test extended memory.  
(25)Test diskette subsystem.  
AMI  
Award  
Compaq  
Phoenix&Dell (25)[Beep]=none interrupt vector loading in-progress.  
Error Code - 26  
AMI  
(26)I/O port of 8042 is read. Going to initialize global data for turbo switch. Going  
to initialize global data for turbo switch.  
(26)Enable slots 6;Initialize slot 6.Test protected mode exceptions.  
(26)Test fixed disk subsystem.  
(26)Enable A20 line. Verify/Load NVRAM parameters.  
Error Code - 27  
Award  
Compaq  
Phoenix 6.0  
(27)Global data initialization for turbo switch is over. Any initialization before  
setting video mode to be done next.  
AMI  
10  
 
Appendix A  
setting video mode to be done next.  
(27)Enable slots 7; Initialize slot 7.Setup cache control or shadow RAM.  
Award  
Compaq  
(27)initialize parallel printer.  
Phoenix&Dell (27)[Beep]=3-2-4 keyboard controller test in-progress or failure.  
Error Code - 28  
ACER  
AMI  
(28)Test CPU.  
(28)initialization before setting video mode is complete. Going for monochrome  
mode and color setting .Check extended memory.  
(28)Enable slots 8;Initialize slot 8. Setup 8242.  
Award  
Compaq  
(28)Perform search for option ROMs  
Phoenix&Dell (28)[Beep]=3-3-1 CMOS power-fail and checksum checks in-progress. Auto-size  
DRAM.(Beep)=1-3-3-1.Protected mode 1.  
Error Code - 29  
AMI  
Award  
Compaq  
(29)Monochrome mode setting is done. Going for color mode setting.  
(29)Enable slots 9;Initialize slot 9.  
(29)Test for valid system configuration.  
Phoenix&Dell (29)[Beep]=3-3-2 CMOS configuration info validation in- progress. Initialize POST  
Memory Manager.  
Error Code - 2A  
AMI  
(2A)monochrome Color mode setting is done. About to go for toggle parity before  
optional rom test. About to go for toggle parity before optional ROM Check.  
(2A)Enable slots A; Initialize slot A.(2A)8242 initialization.  
(2A)Clear screen.  
(2A)Clear 512K base RAM.(Beep)=1-3-3-3.Aubo-site me- mory chips.  
Error Code - 2B  
(2B)Toggle parity over. About to give control for any setup required before optional  
video ROM check.  
(2B)Enable slots B; Initialize slot B. Initialize floppy drive and controller.  
(2B)Check for invalid time and date.  
Award  
Compaq  
Phoenix  
AMI  
Award  
Compaq  
Phoenix&Dell (2B)[Beep]=3-3-4 screen memory test in-progress or failure.  
Error Code - 2C  
ACER  
AMI  
(2C)Set up interrupt controller(8259).  
(2C)Processing before video ROM control is done. About to look for optional video  
ROM and give control.  
(2C)Enable slots C;Initialize slot C.Detect & initialize serial ports.  
(2C)Boot.  
Award  
Compaq  
Dell  
(2C)[Beep]=3-4-1 screen initialization in-progress or failure.  
(2C)RAM failure on address xxxx.If the BIOS detects error 2C,2E,or 30(base 512K  
RAM error),it displays and additional word-bitmap(xxxx)indication the address line  
or bits that failed. For example, "2C 0002"means address line 1 (bit one set) has  
failed. "2E 1020 means data bits 12 and 5 (bits 12 and 5 set) have failed in the  
lower 16 bits. Note that error 30 cannot occur on 386SX systems because they have  
a 16 rather than 32-bit bus. The BIOS also sends the bitmap to the port-80 LED display. It first  
display the check point code, followed by a delay, the high-order  
byte, another delay, and then the low-order byte of the error. It repeats this sequence  
continuously. Test 512 base address lines.(Beep)= 1-3-4-1 Activate interleave(if  
possible).[Beep]3-4-1 screen initialization in-progress or failure.  
Error Code - 2D  
Phoenix  
(2D)Optional video ROM control is done. About to give control to do any processing after  
video ROM returns control.  
AMI  
(2D)Enable slots D; Initialize slot D. Detect & initialize parallel ports. Test timer 2.  
Award  
Phoenix& Dell (2D)[Beep]=3-4-2 screen retrace tests in-progress or failure.  
Error Code - 2E  
AMI  
(2E)Return from processing after the video ROM control. If EGA/VGA not found  
then do display memory R/W test.  
(2E)Enable slots E; Initialize slot E. Initialize hard drive & controller.  
(2E)[Beep]=3-4-3 search for video ROM in-progress.  
(2E)See Error code "2C".Test 512K base memory.(Beep)= 1-3-4-3.Exit 1st protected mode  
test.[Beep]=none search for video ROM in-progress.  
Error Code - 2F  
(2F)EGA/VGA not found. Display memory R/W test about to begin.  
(2F)Enable slots F; Initialize slot F. Detect & initialize 80x87 Co-Processor.  
(2F)Write to DIAG byte.  
(2F)Enable cache before system BIOS shadow.  
Error Code - 30  
(30)Set up Temp. interrupt.  
(30)display memory R/W test passed. About to look for the retrace checking.  
Virtual mode memory test about to begin.  
(30)Interrupt controller#1.  
Award  
Dell  
Phoenix  
AMI  
Award  
Compaq  
Phoenix  
ACER  
AMI  
AST  
11  
 
Appendix A  
(30)Get base memory & extended memory size. Size base And extended memory  
from 256K to 640K and extended memory above 1MB.  
(30)Clear 1st 128K bytes of RAM.  
(30)[beep]=none screen believed running w/video ROM.  
(30)see Error Code "2C".Unexpected shutdown.[Beep]=no- ne screen believed operable.  
[Beep]=none screen believed running w/video ROM.  
Error Code - 31  
Award  
Compaq  
Dell  
Phoenix  
(31)Display memory R/W test or retrace checking failed. About to do alternate  
Display memory R/W test. Virtual mode memory test started.  
(31)Interrupt controller#2.  
AMI  
AST  
Award  
(31)Test base and extended memory; Test base memory from 256K to 640K and extended  
memory above 1MB using various patterns. Detect & initialize optional  
ROMs.  
(31)Load interrupt vectors 70-77.  
Compaq  
Phoenix&Dell (31)[Beep]=none monochromatic screen believed operable.  
Error Code - 32  
AMI  
(32)Alternate display memory R/W test passed. About to look for the alternate  
display retrace checking. Processor executing in virtual mode.  
(32)Interrupt controllers for stuck interrupt.  
AST  
Award  
(32)Display the Award Plug & Play BIOS extension message(PnP BIOS only).Test  
EISA extended memory; If EISA mode flag is set then test EISA memory found in  
slots initialization, This test is skipped in ISA mode and can be skipped with ESC  
key in EISA mode.  
(32)Load interrupt vectors 00-1F.  
Compaq  
Dell  
Phoenix  
(32)[Beep]=none 40-column color screen believed operable.  
(32)Test CPU bus-clock frequency.(Beep)=1-4-1-3.Deter- mine system board memory size.  
[Beep]=none 40-column color screen believed operable.  
Error Code - 33  
(33)Video display checking over. Verification of display type with switch setting  
and actual card to begin. Verification of display type with switch setting and Actual  
Card to begin. Memory address line test in progress.  
AMI  
(33)Non-maskable interrupt for stuck interrupt(EISA,P486, P386)  
(33)Call Tech Support 727-532-4151.  
AST  
Award  
Compaq  
(33)Initialize Memory SIZE and RESETWD.  
Phoenix&Dell (33)[Beep]=none 80-column color screen believed operable. Initialize dispatch  
Manager.  
Error Code - 34  
ACER  
AMI  
(34)Set up BIOS interrupt vector.  
(34)Verification of display adapter done. Display mode to be set next. Memory  
address line test in progress.  
(34)Verify CMOS checksum.  
Compaq  
Phoenix&Dell (34)[Beep]=4-2-1 timer tick interrupt test in progress or failure. Relocate memory  
option.  
Error Code - 35  
AMI  
(35)Display mode set complete. BIOS ROM data area about to be checked.  
Memory below 1MB calculated.  
Compaq  
(35)CMOS checksum not valid.  
Phoenix&Dell (35)[Beep]=4-2-2 shutdown test in progress or failure.  
Error Code - 36  
AMI  
(36)BIOS ROM data area check over. Going to set cursor for power on message. Memory  
above 1MB calculated.  
(36)Check battery power.  
Compaq  
Phoenix&Dell (36)[Beep]=4-2-3 gate A20 failure. Warm start shut down. Configure EMS memory  
option.  
Error Code - 37  
AMI  
(37)Cursor setting for power on message id complete. Going to display the power  
on message. Memory test about to start.  
Compaq  
(37)Check for game adapters.  
Phoenix&Dell (37)[Beep]=1-4-2-4 unexpected interrupt in protected mode. Reinitialize the  
motherboard chipset.  
Error Code - 38  
ACER  
AMI  
(38)CMOS RAM.  
(38)Power on message display complete. Going to read new cursor position.  
Memory below 1MB initialized.  
Compaq  
(38)Check for serial ports.  
Phoenix&Dell (38)[Beep]=4-3-1 RAM test in progress or failure above address 0FFFFh  
Phoenix  
(38)Shadow system BIOS ROM.(Beep)=1-4-3-1.Configure wait state option.  
Error Code - 39  
12  
 
Appendix A  
(39)New cursor position read and saved. Going go display the Hit<DEL>message.  
AMI  
Memory above 1MB initialized.  
(39)Check for parallel ports.  
(39)Reinitialize the cache.(Beep)=1-4-3-1  
Compaq  
Phoenix  
Error Code - 3A  
(3A)Check memory, first 64K,one long beep. Reference string display is over.  
Going to display the Hit<ESC> massage. Memory size display initiated. This will  
be updated when the BIOS goes through the memory.  
(3A)Check memory.  
AMI  
Award  
Compaq  
(3A)Initialize Port. And comm. timeouts.  
Phoenix&Dell (3A)[Beep]=4-3-3 Interval timer channel 2 test in progress or failure.  
Phoenix  
AMI  
(3A)Auto-size cache.(Beep)=1-4-3-3.Retest 64K base RA M.  
Error Code - 3B  
(3b)Hit<DEL>or<ESC>message displayed. Virtual mode memory test about to  
start, About to start below 1MB memory test.  
(3B)Flush keyboard buffer.  
Compaq  
Phoenix&Dell (3B)[Beep]=4-3-4 Time-Of-Day clock test in progress or failure.  
Error Code - 3C  
ACER  
AMI  
Award  
Phoenix  
(3C)Memory size.  
(3C)Memory test below 1MB completed and about to start above 1MB test.  
(3C)Set flag to allow users to enter CMOS setup utility. Setup enabled.  
(3C)Configure advanced chipset registers.(Beep)=1-4-4-1. Determine relative CPU  
speed.  
Phoenix&Dell (3C)[Beep]=4-4-2 Serial port test in progress or failure.  
Error Code - 3D  
AMI  
Award  
(3D)Memory test above 1MB completed.  
(3D)Initialize keyboard. Install PS/2 mouse. Initialize & install mouse; Detect if  
mouse is present, initialize mouse, install interrupt vectors.  
(3D)Load alternate registers with CMOS values,(Beep)= 1-4-4-2  
Phoenix  
Phoenix&Dell (3D)[Beep]=4-4-2 Parallel port test in progress or failure.  
Error Code - 3E  
AMI  
Award  
Phoenix 3.07  
(3E)About to go to real mode(shutdown).  
(3E)Try to turn on level 2 cache.,  
(3E)Get switches/jumper status from 8742.  
Phoenix&Dell (3E)[Beep]=4-4-3 Math CoProcessor test in progress or failure.  
Error Code - 3F  
AMI  
Award  
(3F)Shutdown successful and Processor in real mode.  
(3F)Enable shadow RAM per CMOS RAM setup or if ME- MORY TYPE is SYS  
in the EISA configuration.  
Dell  
(3F)Cache memory failure.  
Error Code - 40  
ACER  
AMI  
(40)Shutdown#1.  
(40)Preparation for virtual mode test started. Going to verify from video memory.  
CACHE memory on and about to disable A20 address line.  
(40)CMOS RAM backup battery.  
AST  
Award  
Compaq  
Phoenix  
(40)Display virus protest disable or enable.  
(40)Save RESET WD value.  
(40)Set initial CPU speed.(Beep)=2-1-1-1.  
Error Code - 41  
(41)Returned after verifying from display memory. Going to prepare the descriptor bables.A20  
address line disabled successful.  
(41)CMOS RAM checksum.  
AMI  
AST  
Award  
Compaq  
(41)Initialize floppy disk drive controller.  
(41)Check RAM refresh.  
Error Code - 42  
AMI  
(42)descriptor tables prepared. Going to enter in virtual mode for memory test.486  
internal cache turned on. About to start DMA controller test.  
(42)Setup CMOS RAM.  
AST  
Award  
Compaq  
Phoenix  
(42)Initialize hard drive & controller; Initialize hard drive controller and any drives.  
(42)Start write cycle of 128K RAM test.  
(42)Initialize interrupt vectors.(Beep)=2-1-1-3.  
Error Code - 43  
(43)Entered in the virtual mode. Going to enable interrupts for diagnostics mode.  
About to start DMA controller test.  
AMI  
Award  
Compaq  
ACER  
(43)If it is a PnP BIOS, initialize serial & parallel ports. Detect & initialize serial/parallel ports;  
Initialize any serial and parallel ports (also game port).  
(43)Reset parity checks.  
Error Code - 44  
(44)Video BIOS ROM initialize.  
13  
 
Appendix A  
(44)Interrupts enabled(if post switch is on). Going to initialize data to check  
memory wrap around at 0:0.  
AMI  
(44) Going to initialize data to check memory re-map at 0:0.  
(44)Start verify cycle if 128K RAM test.  
(44)Initialize BIOS interrupts.(Beep)=2-1-2-1. Verify video configuration.  
Error Code - 45  
Award  
Compaq  
Phoenix  
(45)Set up BIOS RAM .  
ACER  
AMI  
(45)Data initialized. Going to check for memory wrap around at 0:0 and the total  
system memory size.  
(45)Detect & Initialize math CoProcessor; Initialize math CoProcessor.  
(45)Check for parity errors.  
Award  
Compaq  
Phoenix  
(45)POST device initialization.  
Error Code - 46  
(46)Test controller and cache memory.  
(46) Memory wrap around test done. Memory size calculation over, writing patterns  
to test memory.  
ACER  
AMI  
(46)display the setup message(to press Ctrl-Alt-Esc to enter setup), and enable  
setup.  
Award  
(46)No RAM errors.  
Compaq  
Phoenix  
(46)Check ROM copying notice.(Beep)=2-1-2-3. Initialize video system.  
Error Code - 47  
(47)Pattern to be tested written in extended memory,640K memory.  
(47)Set system speed for boot.  
AMI  
Award  
Compaq  
Phoenix  
(47)Got a RAM error.  
(47)Initialize manager for PCI Options ROMs.(Beep)=2-1- 2-4.  
Error Code - 48  
(48)Memory test.  
(48)Patterns written in base memory. Going to find out amount of memory below  
1M memory.  
ACER  
AMI  
(48)Check Video configuration against CMOS.(Beep)=2- 1-3-1. Test for unexpected interrupts.  
Error Code - 49  
Phoenix  
(49)Memory below 1M found and verified. Going to find out amount of memory  
above 1M memory.  
AMI  
(49)Initialize PCI bus and devices.(Beep)=2-1-3-2.  
Error Code - 4A  
(4A)Amount of memory above 1M found and verified. Going for BIOS ROM data  
area check.  
Phoenix  
AMI  
(4A)Initialize all video adapters in system.(Beep)=2-1-3-3. Start 2nd protected  
mode test.  
Phoenix  
Error Code - 4B  
(4B) Amount of memory above 1M found and verified. Check for soft reset and  
going to clear memory below 1M for reset.(If power on, go to check point#4Eh).BIOS ROM  
data area check over. Going to check<ESC> and to clear  
memory below 1M for soft reset.  
AMI  
Phoenix  
(4B)Quiet-Boot start(optional).  
Error Code - 4C  
ACER  
AMI  
(4C)#3 shutdown.  
(4C)Memory below 1M cleared.(SOFT RESET)Going to clear memory above 1M.  
(4C)Shadow video BIOS ROM.(Beep)=2-1-4-1.Perform LDT instructions test.  
Error Code - 4D  
Phoenix  
AMI  
(4D)Memory above 1M cleared. (SOFT RESET)Going to save the memory size.(GOTO check  
point#52h)  
Error Code - 4E  
(4E)Memory test started.(NO SOFT RESET)About to display the first 64K memory  
test.  
(4E)If there is any error, show all the error messages on the screen & wait for user  
to press<F1>.Manufacturing POST loop or display messages; Reboot if manufacturing POST  
loop pin is set. Otherwise display any messages and enter  
setup.  
AMI  
Award  
Phoenix  
AMI  
(4E)Display copying notice.(Beep)=2-1-4-3. Perform TR instruction test.  
Error Code - 4F  
(4F)Memory size display started. This will be updated during memory test. Going  
for sequential and random memory test. Processor in real mode after shutdown.  
(4F)If password is needed, ask for password. Clear the Energy Star logo(Green  
BIOS only).Security check; Ask password security.  
Error Code - 50  
Award  
(50)#2 shutdown.  
ACER  
AMI  
(50)Memory testing/initialization below 1M complete. Going to adjust displayed memory size  
for relocation /shadow. DMA page register test complete.  
14  
 
Appendix A  
memory size for relocation /shadow. DMA page register test complete.  
(50)Protected mode.  
AST  
(50)Write all the CMOS values currently in the BIOS stack areas back into the  
CMOS. Write CMOS; Write all CMOS values back to RAM and clear screen.  
(50)Check for dual freq in CMOS.  
Award  
Compaq  
Chips & Tech (50)Hardware initialize.  
Phoenix  
(50)Display CPU type and speed.(Beep)=2-2-1-1.(50)Per- form LSL instruction  
test.[Beep]=none Custom chip set or custom platform.  
Error Code - 51  
AMI  
(51)Memory size display adjusted due to relocation/shadow. Memory test above 1M  
to follow. DMA unit-1 base register test about to start.  
(51)Protected mode.  
AST  
Award  
Compaq  
(51)Pre-boot enable; Enable parity checker; Enable NMI, Enable cache before boot. (51)Check  
CMOS VDU configuration.  
Chips & Tech (51)Timer Initialize  
Phoenix  
(51)Initialize EISA board.  
Error Code - 52  
(52)Memory testing/initialization below 1M complete. Going to save memory size  
information. Going to prepare to go back to real mode. DMA unit-1 channel OK,  
about to begin CH-2.  
AMI  
Award  
(52)Initialize all ISA ROMs. Later PCI initializations(PCI BIOS only).PnP initializations(PnP  
BIOS only).Program shadow RAM according to setup settings. Program parity according to  
setup setting. Power Management initialization. Initialize option ROMs; initialize any option  
ROMs present from C8000h to  
EFFFFh.  
(52)Start VDU search.  
Compaq  
Chips & Tech (52)DMA controller initialize.  
Phoenix  
AMI  
(52)Test keyboard.(Beep)=2-2-1-3.(52)Perform LAR instruction test.  
Error Code - 53  
(53)Memory size information is saved. CPU registers are saved. Going to enter in  
real mode. DMA CH-2 base register test OK.  
(53)If it is not a PnP BIOS, initialize serial & parallel ports. Initialize time value in  
BIOS data area. Initialize time value; Initialize time value in 40h BIOS data area. (53)Vector to  
VDU option ROMs.  
Award  
Compaq  
Chips & Tech (53)Initialize interrupt controller.  
Error Code - 54  
ACER  
AMI  
(54)#7 shutdown.  
(54)Shutdown successful, CPU in real mode. Going to re- store registers saved  
during preparation for shutdown. About to check F/F latch for unit-1 and unit-2. (54)Initialize  
primary display adapter.  
Compaq  
Chips & Tech (54)Chip-Set Initialize.  
Phoenix  
AMI  
(54)Set key click if enabled.(Beep)=2-2-2-1.(54)Perform VERR instruction test.  
Error Code - 55  
(55)Registers restored. Going to disable gate A20 address line. F/F latch for both  
units checked.  
(55)Check PCI video Card-or replace video card.  
(55)Initialize secondary display adapter.  
Award  
Compaq  
Chips & Tech (55)EMS configuration Setup.  
Error Code - 56  
AMI  
(56)A20 address line disable successful. BIOS ROM data area about to be checked.  
DMA unit 1 and 2 programming over and about to initialize 8259 interrupt  
controller.  
Compaq  
(56)No display adapters installed.  
Chips & Tech (56) Protected mode.  
Phoenix  
(56)Enable keyboard.(Beep)=2-2-2-3.Unexpected exception.  
Error Code - 57  
(57)A20 address line disable successful. BIOS ROM data area check halfway. BIOS  
ROM data area check to be com- plete.8259 initialization over.  
(57)Init primary VDU mode.  
AMI  
Compaq  
Chips & Tech (57)Memory size.  
Error Code - 58  
ACER  
AMI  
(58)#6 shutdown.  
(58)Memory size adjusted for relocation/shadow. Going to clear Hit<DEL>  
message. BIOS ROM data area check over. Going to clear Hit<ESC> message.8259  
mask register check OK.  
Compaq  
(58)Start of VDU test (for each adapter).  
Chips & Tech (58)Memory interleave configure.  
Phoenix  
(58)Test for unexpected interrupts.(Beep)=2-3-3-.(58) Perform A20 gate test.  
Error Code - 59  
15  
 
Appendix A  
(59)Hit<ESC> message cleared.<Wait..> message displayed. About to start DMA  
and interrupt controller test. Master 8259 mask register OK, about to start slave.  
(59)Check existence of adapter.  
AMI  
Compaq  
Chips & Tech (59)Exiting protected mode.  
Phoenix  
(59)Initialize POST display service.  
Error Code - 5A  
(5A)About to check timer and keyboard interrupt level.  
(5A)Blank display, check VDU registers.  
AMI  
Compaq  
Chips & Tech (5A)Board memory size.  
Phoenix  
test.  
Display  
prompt  
"press  
F2  
to  
enter  
(5A)Keyboard ready  
SETUP".(Beep)=2-2-3-3  
Error Code - 5B  
AMI  
Compaq  
(5B)Timer interrupt OK.  
(5B)Start screen memory test.  
Chips & Tech (5B)Shadow RAM relocated.  
Phoenix  
(5B)Display CPU cache.  
Error Code - 5C  
ACER  
AMI  
(5C)About to test keyboard and I/O.`  
(5C)About to test keyboard interrupt. (5C)End  
of test of adapter, clear memory.  
Compaq  
Chips & Tech (5C)EMS configure.  
Phoenix  
(5C)Test RAM between 512 and 640K.(Beep)=2-2-4-1. Determine if AT or KT  
keyboard type.  
Error Code - 5D  
AMI  
Compaq  
(5D)ERROR! Timer/keyboard interrupt not in proper level.  
(5D)Error detected on an adapter.  
Chips & Tech (5D)Wait state configuration is set-up.  
Error Code - 5E  
AMI  
Compaq  
(5E)8259 interrupt controller error.  
(5E)test the next adapter.  
Chips & Tech (5E)1st 64K RAM re-test.  
Phoenix  
(5E)Enter third protected mode test.  
Error Code - 5F  
(5F)8259 interrupt controller test OK.  
(5F)All adapters successfully tested.  
AMI  
Compaq  
Chips & Tech (5F)Shadow RAM.  
Error Code - 60  
ACER  
AMI  
(60)Set up BIOS interrupt.  
(60)DMA page register test passed. About to go for DMA #1,verify from display  
memory.  
(60)RAM size.  
AST  
Award  
Compaq  
(60)Setup virus protection(Boot sector protection).  
(60)Start of memory test.  
Chips & Tech (60)CMOS RAM.  
Phoenix  
(60)Test expanded memory.(Beep)=2-3-1-1.(60)Base memory test.  
Error Code - 61  
(61)Display memory verification over. About to go for DMA #1 base register test.  
(61)RAM test.  
(61)Try to turn on level 2 cache. Set the boot up speed according to setup setting.  
AMI  
AST  
Award  
Last chance for chipset initialization. Last chance for power management initialization. Show  
the system configuration table.  
Compaq  
(61)Enter protected mode.  
Chips & Tech (61)Video.  
Error Code - 62  
AMI  
(62)DMA#1 base register test passed. About to go for DMA #2 base register test.  
AST  
Award  
(62)Shadow RAM.  
(62)Setup daylight saving according to setup values. Program the NUM lock, type  
rate & type speed according to setup setting. Setup NUM_LOCK; Setup NUM_LOCK status  
according to setup.  
Compaq  
Phoenix  
(62)Start memory sizing.  
(62)Test extended memory address lines.(Beep)=2-3-1-3. Base memory address  
test.  
Error Code - 63  
AMI  
AST  
Award  
(63)DMA #2 base register test passed. About to go for BIOS ROM data area check. (63)Cache  
memory.  
(63)If there is any changes in the hardware configuration, update the ESCD information(PnP  
BIOS only. Clear memory that have been used. Boot system via  
INT 19h.  
(63)Get CMOS size.  
Compaq  
16  
 
Appendix A  
Chips & Tech (63)Protected mode interrupt.  
Error Code - 64  
ACER  
AMI  
(64)Start test real time clock.  
(64)BIOS ROM data area check halfway. BIOS ROM data area check to be  
complete.  
(64)Copy BIOS to shadow RAM.  
(64)Start test of real memory.  
AST  
Compaq  
Chips & Tech (64)Address line A20.  
Phoenix  
(64)Jump to User Patch 1.(Beep)=2-3-2-1.Shadow memory test.  
Error Code - 65  
(65)DMA #2 base register test passed. About to program DMA unit 1 and 2. (65)Copy  
video BIOS to shadow RAM.  
AMI  
AST  
Compaq  
(65)Start test of extended memory.  
Chips & Tech (65)Memory address lines.  
Error Code - 66  
AMI  
(66)DMA unit 1 and 2 programming over. About to initialize 8259 interrupt  
controller.  
AST  
Compaq  
Chips & Tech (66)Memory Test.  
(66)8254 timer channel #2.  
(66)Save size of real and extended memory.  
Compaq  
(66)Configure advanced cache registers.(Beep)=2-3-2-3. Extended memory test.  
Error Code - 67  
(67)8259 initialization over. About To start keyboard test.  
(67)Memory initialize.  
AMI  
AST  
Compaq  
(67)Update 128K-Option installed CMOS bit.  
Chips & Tech (67)Extended memory.  
Phoenix  
(67)Initialize Multi Processor APIC.  
Error Code - 68  
ACER  
(68)Test floppy disk.  
Compaq  
(68)Prepare to return to real mode.  
Chips & Tech (68)Timer interrupt.  
Phoenix  
(68)Enable external and CPU caches.(Beep)=2-3-3-1. Ex- tended address test.  
Error Code - 69  
(69)Back in real mode-test successful.  
Compaq  
Chips & Tech (69)Real Time clock.  
Phoenix  
(69)Setup System Management Mode(SMM) area.  
Error Code - 6A  
(6A)Back in real mode-error during test.  
Compaq  
Chips & Tech (6A) Keyboard controller.  
Phoenix  
(6A) Display external cache size.(Beep)=2-3-3-3.Determine memory test.  
Error Code - 6B  
Compaq  
(6B)Display error messages.  
Chips & Tech (6B)Test Math chip.  
Phoenix  
(6B)Load custom defaults(optional).  
Error Code - 6C  
(6C)Test hard disk drive.  
(6C)End of memory test.  
ACER  
Compaq  
Chips & Tech (6C)Test serial port(RS232).  
Phoenix  
(6C)Display shadow message.(Beep)=2-3-4-1.Display error messages.  
Error Code - 6D  
(6D)Initialize KB OK display string.  
Compaq  
Chips & Tech (6D)Test parallel ports.  
Error Code - 6E  
Compaq  
(6E)Determine size to test. Chips  
& Tech (6E)Dual card.  
Phoenix  
(6E)Display possible high address for UMB recovery. Display non-disposable  
segments.(Beep)=2-3-4-3.Configure ROM/RAM BIOS.  
Error Code - 6F  
Compaq  
(6F)Start of MEMORY TEST.  
Chips & Tech (6F)Test floppy drive controller.  
Error Code - 70  
ACER  
AMI  
(70)About to test parallel port.  
(70)start of keyboard test.  
Compaq  
(70)Display XXXXX KB OK.  
Chips & Tech (70)Test hard drive controller.  
Phoenix  
(70)Display error messages.(Beep)=2-4-1-1.System time test.  
Error Code - 71 (71)Keyboard  
controller BAT test over.  
(71)Test each RAM segment.  
AMI  
Compaq  
17  
 
Appendix A  
Chips & Tech (71)Key-lock.  
Error Code - 72  
AMI  
Compaq  
(72)Keyboard interface test over, mouse interface test started.  
(72)High order address test.  
Chips & Tech (72)Pointing divide.  
Phoenix  
(72)Check for configuration errors.(Beep)=2-4-1-3.(72) Real time clock test.  
Error Code - 73  
(73)Global data initialization for keyboard/mouse over.  
(73)Exit memory test.  
AMI  
Compaq  
Error Code - 74  
ACER  
AMI  
Compaq  
Phoenix  
(74)About to test serial port.  
(74)Display 'SETUP' prompt and about to start floppy setup.  
(74)Parity error on bus after memory test, system halted.  
(74)Test real-time clock.(Beep)=2-4-2-1.Test for stuck keys.  
Error Code - 75  
AMI  
Compaq  
(75)Floppy setup over.  
(75)Start of protected mode test.  
Error Code - 76  
AMI  
Compaq  
Phoenix  
(76)Hard disk setup about to start.  
(76)Prepare to enter protected mode.  
(76)Check for keyboard errors. (Beep)=2-4-2-3.Initialize hardware interrupt  
vectors.  
Error Code - 77  
AMI  
Compaq  
(77)Hard disk setup over.  
(77)Test software exceptions.  
Error Code - 78  
ACER  
Compaq  
Phoenix  
(78)Set real time.  
(78)Prepare to return to real mode.  
(78)Detect and test CoProcessor.  
Error Code - 79  
AMI  
(79)About to initialize timer data area.  
Compaq  
(79)Back in real mode-No error.  
Error Code - 7A  
(7A)Timer data initialized and about to verify CMOS battery power.  
AMI  
Compaq  
Phoenix  
(7A)Back in real mode-error.  
(7A)Determine/Init COM channels.  
Error Code - 7B  
(7B)CMOS battery verification over.  
AMI  
Compaq  
(7B)Exit protected mode.  
Error Code - 7C  
ACER  
Compaq  
Phoenix  
(7C)scan option. RAMs.  
(7C)High order address test failure.  
(7C)Set up hardware interrupts vectors.(Beep)=2-4-4-1.Determine LPT channels.  
Error Code - 7D  
AMI  
(7D)About to analyze POST results. About to analyze diagnostic test results for  
memory.  
(7D)Enter cache controller test.  
Compaq  
Error Code - 7E  
AMI  
Compaq  
Phoenix  
(7E)CMOS memory size updated.  
(7E)Exit cache controller test.  
(7E)Test CoProcessor if present.(Beep)=2-4-4-3.Initialize BIOS data area.  
Error Code - 7F  
AMI  
(7F)Look for <DEL>key and get into CMOS setup if found About to check optional ROM  
C000:0.  
Compaq  
(7F)Copy System ROM to high RAM.  
Error Code - 80  
(80)Determine math CoProcessor is present.  
(80)Keyboard test started, clearing output buffer, checking for stuck key, About to  
issue keyboard reset command. About to give control to optional ROM in segment  
C800 to DE00.  
ACER  
AMI  
Compaq  
Phoenix  
(80)Start of 8042 test.  
(80)Disable onboard Super I/O ports and IRQs.(Beep)=3-1- 1-1.Detect floppy  
controller.  
Error Code - 81  
AMI  
(81)Keyboard reset error/stuck key found. About to issue keyboard controller interface test  
command. Optional ROM control over.  
Compaq  
Phoenix  
(81)Do 8042 self-test.  
(81)late POST device initialization.  
Error Code - 82  
18  
 
Appendix A  
(82)Keyboard controller interface test over. About to write command byte and Init  
circular buffer. Check for printer ports and put the addresses in global data area.  
(82)Check result received.  
(82)Detect and install external RS232 ports.(Beep)=3-1- 1-3.Test floppy drives.  
Error Code - 83  
AMI  
Compaq  
Phoenix  
(83)Command byte written, global data Init done. About to check for lock-key.  
Check for RS232 ports and put the addresses in global data area.  
(83)Error result.  
(83)Configure non-MCD IDE controllers.  
Error Code - 84  
(84)Keyboard initialize.  
(84)Lock-key checking over. About to check for memory size mismatch with  
CMOS. CoProcessor detection over. 80287 check/test OK.  
(84)OK 8042,Init mode=5D.  
(84)Detect and install external parallels ports.(Beep)=3-1- 2-1.Fixed disk test.  
Error Code - 85  
AMI  
Compaq  
Phoenix  
ACER  
AMI  
Compaq  
Phoenix  
(85)Memory size check done. About to display soft error and check for password or  
bypass setup. About to display soft error message. If no video replace Video card. (85)Initialize  
PC-compatible PnP ISA devices.  
AMI  
Phoenix  
AMI  
Error Code - 86  
(86)Password checked. About to do programming before setup. About to give  
control to system ROM at segment E000.  
(86)Start keyboard test, reset keyboard.  
Compaq  
Phoenix  
(86)Re-initialize onboard I/O ports.(Beep)=3-1-2-3.(86)Per form external ROM  
scan.  
Error Code - 87  
(87)Programming before setup complete. Going to uncompress SETUP code and  
execute CMOS setup. System ROM E000:0 check over.  
(87)Got acknowledge, read result.  
(87)Configure Motherboard Configuration Devices(option- al)  
Error Code - 88  
(88)System #1 initialize.  
(88)Returned from CMOS setup program and screen is cleared. About to do programming after  
setup.  
(88)Got result, check it .  
(88)Initialize BIOS Data Area.(Beep)=3-1-3-1.Test key- lock/keyboard type.  
Error Code - 89  
AMI  
Compaq  
Phoenix  
ACER  
AMI  
Compaq  
Phoenix  
(89)Programming after setup complete. Going to display power on screen message.  
(89)Test for stuck keys.  
(89)Enable Non-Maskable Interrupts(NMIs)  
Error Code - 8A  
AMI  
Compaq  
Phoenix  
(8A)First screen message displayed. About to display <WAIT¡->message.  
(8A)Key seems to be stuck.  
(8A)Initialize Extended BIOS Data Area.(Beep)=3-1-3-3. wait for F1 test.  
Error Code - 8B  
AMI  
Compaq  
Phoenix  
(8B)First screen message displayed <WAIT¡->message displayed. About to do  
Main and Video BIOS shadow.  
AMI  
(8B)Test keyboard interface.  
Compaq  
Phoenix  
(8B)Test and initialize PS/2 mouse.  
Error Code - 8C  
(8C)System #2 initialize.  
ACER  
AMI  
(8C)Main and video BIOS shadow successful. Setup options programming after  
CMOS setup about to start.  
(8C)Got result, check it.  
(8C)Initialize floppy controller.(Beep)=3-1-4-1.Final system initialization.  
Error Code - 8D  
Compaq  
Phoenix  
(8D)Setup options are programmed, mouse check and Init to be done next. Going  
for hard disk, floppy reset.  
AMI  
(8D)End of test, no errors.  
Compaq  
AMI  
Error Code - 8E  
(8E)Mouse check and initialization complete. Going for hard disk controller reset.  
About to go For floppy check.  
(8E)Interrupt 19 boot loader.  
Phoenix  
Error Code - 8F  
(8F)Hard disk controller reset done. Floppy setup to be done nest.  
(8F)Determine number of ATA drives(optional)  
Error Code - 90  
AMI  
Phoenix  
(90)Invoke interrupt 19 to boot loader.  
ACER  
AMI  
(90)Floppy setup is over. Test for hard disk presence to be done.  
19  
 
Appendix A  
Compaq  
(90)Start of CMOS test .  
Chips & Tech (90)Set-up RAM.  
Phoenix  
(90)Initialize hard-disk controller.(Beep)=3-2-1-1  
Error Code - 91  
(91)Floppy setup complete. Hard disk setup to be done next.  
(91)CMOS seems to be OK.  
AMI  
Compaq  
Chips & Tech (91)CPU speed.  
Phoenix  
(91)Initialize local-bus hard-disk controller.(Beep)=3-2-1-2  
Error Code - 92  
(92)Hard disk setup complete. About to go for BIOS ROM data area check. (92)Error  
on CMOS read/write test.  
AMI  
Compaq  
Chips & Tech (92)Configuration check.  
Phoenix  
(92)Jump to User Patch 2.(Beep)= 3-2-1-3  
Error Code - 93  
(93)BIOS ROM data area check halfway. BIOS ROM data area check to be  
completed.  
AMI  
Compaq  
Phoenix  
(93)Start of DMA controller test.  
(93)Build MPTABLE for multi processor boards.  
Error Code - 94  
(94)#5 shutdown.  
(94)Hard disk setup complete. Going to set base and extended memory size. BIOS  
ROM data area check over.  
(94)Page registers seem OK.  
ACER  
AMI  
Compaq  
Chips & Tech (94)POD Bootstrap.  
Phoenix  
AMI  
(94)Disable A20 address line.(Beep)=3-2-2-1  
Error Code - 95  
(95)Memory size adjusted due to mouse support, hard disk type-47.Going to verify  
from display memory.  
Compaq  
(95)DMA controller OK.  
Chips & Tech (95)Reset ICS.  
Phoenix  
(95)Install CD ROM for boot.  
Error Code - 96  
(96)Memory size adjusted due to mouse support, hard disk type-47.Going to do any  
Init before C800 optical ROM control. Returned after verifying from display  
memory.  
AMI  
Compaq  
Chips & Tech (96)BIOS PEAK.  
(96)8237 DMA Initialization complete.  
Phoenix  
(96)Clear huge ES segment register.(Beep)=3-2-2-3.  
Error Code - 97  
(97)Any Init before C800 optional ROM control is over. Optional ROM check &  
control will be done next.  
AMI  
Chips & Tech (97)VGA power.  
Phoenix  
(97)Fix-up Multi Processor table.  
Error Code - 98  
ACER  
AMI  
(98)#A shutdown.  
(98)Optional ROM control is done. About to give control to do any required  
processing after optional ROM returns control.  
Chips & Tech (98)Adapters POS.  
Phoenix  
(98)Search for option ROMs. One long, two short beeps on checksum  
failure.(Beep)=3-2-3-1.  
Error Code - 99  
AMI  
(99)Any initialization required after optional ROM test over. Going to setup timer  
data area and printer base address.  
(99)Check for SMART Drive(optional).  
Phoenix  
AMI  
Error Code - 9A  
(9A)Return after setting timer and printer base address. Going to set the RS-232  
base address.  
Phoenix  
AMI  
(9A)Shadow option ROMS.(Beep)=3-2-3-3.  
Error Code - 9B  
(9B)Returned after RS-232 base address. Going to de any initialization before  
Co-Processor test.  
Error Code - 9C  
(9C)#B shutdown.  
(9C)Required initialization before co-Processor is over. Going to initialize the  
CoProcessor next.  
ACER  
AMI  
Phoenix  
AMI  
(9C)Set up Power Management.(Beep)=3-2-4-1.  
Error Code - 9D  
(9D)CoProcessor initialized. Going to do any initialization after CoProcessor test.  
Error Code - 9E  
20  
 
Appendix A  
(9E)Initialization after CoProcessor test is complete. Going to check expander  
AMI  
keyboard, keyboard ID and number-lock.  
(9E)Enable hardware interrupts.(Beep)=3-2-4-3.  
Phoenix  
AMI  
Error Code - 9F  
(9F)Extended keyboard check is done, ID flag set. num-lock on/off. Keyboard ID command to  
be issued.  
(9F)Determine number at ATA and SCSI drives.  
Error Code - A0  
Phoenix  
(A0)Keyboard ID command issued. Keyboard ID flag to be reset.  
(A0)Start of diskette tests.  
(A0)Set time of day .(Beep)=3-3-1-1  
Error Code - A1  
AMI  
Compaq  
Phoenix  
(A1)Keyboard ID flag reset. Cache memory test to follow.  
(A1)FDC reset active (3F8H bit 2)  
AMI  
Compaq  
Error Code - A2  
(A2)Cache memory test over. Going to display any soft errors.  
(A2)FDC reset inactive(3F8H bit 2)  
(A2)Check key lock.(Beep)=3-3-1-3  
Error Code - A3  
AMI  
Compaq  
Phoenix  
(A3)Soft error display complete. Going to set the keyboard type matric rate.  
(A3)FDC motoron.  
AMI  
Compaq  
Error Code - A4  
(A4)Keyboard type matric rate set. Going to program memory wait states.  
(A4)FDC time-out error.  
AMI  
Compaq  
Phoenix  
(A4)Initialize Type matric rate.  
Error Code - A5  
(A5)Memory wait states programming over. Going to clear the screen and enable  
parity/NMI.  
AMI  
(A5)FDC failed reset.  
Compaq  
Error Code - A6  
(A6)Screen cleared. Going to enable parity and NMI.  
(A6)FDC passed reset.  
AMI  
Compaq  
Error Code - A7  
(A7)NMI and parity enabled. Going to do any Initialization required before giving  
control to optional ROM at E000.  
AMI  
Error Code - A8  
(A8)Initialization before E000 ROM control over. E000 ROM to get control next.  
(A8)Start of determine drive type.  
(A8)Erase F2 prompt.(Beep)3-3-3-1  
Error Code - A9  
AMI  
Compaq  
Phoenix  
(A9)Returned from E000 ROM control. Going to do any init required after E000  
optional ROM control.  
AMI  
(A9)Seek operation initiated.  
Compaq  
AMI  
Error Code - AA  
(AA)Initialization after E000 optional ROM control is over. Going to display the  
system configuration.  
(AA)Waiting for FDC status.  
Compaq  
Phoenix  
(AA)Scan for F2 key stroke.(Beep)=3-3-3-3  
Error Code - AB-AF  
(AC)Enter SETUP.(Beep)=3-3-4-1  
Phoenix  
Phoenix  
Compaq  
(AE)Clear in-POST flag.(Beep)=3-3-4-3.Clear Boot fag.  
(AF)diskette tests complete.  
Error Code - B0  
(B0)System configuration is displayed. Going to un-com- press SETUP code for  
hot-key setup.  
(B0)Spurious interrupt occurred in protect mode. Check mismatch memory.  
(B0)Start of fixed drive tests.  
(B0)Check for errors.(Beep)=3-4-1-1.Unknown interrupt occurred.  
Error Code - B1  
AMI  
Award  
Compaq  
Phoenix  
(B1)un-compressing of SETUP code is complete. Going to copy any code to specific area.  
(B1)If unmasked NMI occurs, Press F1 to disable NMI,F2 to boot.  
(B1)Combo board not found, exit.  
AMI  
Award  
Compaq  
Error Code - B2-B5  
(B2)Combo controller failed, exit.  
(B2)POST done-prepare to boot operating system.(Beep)=3- 4-1-3  
(B3)Testing drive 1.  
Compaq  
Phoenix  
Compaq  
Compaq  
Phoenix  
(B4)Testing drive 2.  
(B4)One short beep before boot.(Beep)=3-4-3-1  
21  
 
Appendix A  
Compaq  
Phoenix  
(B5)Drive error(error condition).  
(B5)terminate Quiet-Boot(optional)  
Error Code - B6  
Compaq  
Phoenix  
(B6)Drive failed(failed to respond).  
(B6)Check password(optional).(Beep)=3-4-2-3  
Error Code - B7-BD  
(B7)CMOS RAM invalid or no fixed drives, exit.  
(B8)Fixed drive tests complete.  
(B8)Clear global descriptor table.(Beep)=3-4-3-4  
(B9)Attempt to boot diskette.  
Compaq  
Compaq  
Phoenix  
Compaq  
Phoenix  
Compaq  
Phoenix  
Compaq  
Phoenix  
Compaq  
Phoenix  
Compaq  
Phoenix  
(B9)Prepare boot.  
(BA)Attempt to boot fixed drive.  
(BA)Initialize DMI parameters.  
(BB)Boot attempt failed(diskette or fixed).  
(BB)Initialize PnP option ROMs.  
(BC)Boot record read, jump to boot record.  
(BC)Clear parity checkers.(Beep)=3-4-4-1  
(BD)Drive error, retry booting.  
(BD)Display Multi-Boot menu.  
Error Code - BE  
Award  
(BE)Program defaults values into chipset.(BE)Chipset default initialization; Program chipset  
registers with power on BIOS defaults.  
Compaq  
Phoenix  
(BE)Weitck CoProcessor test.  
(BE)Clear screen(optional).(Beep)=3-4-4-3  
Error Code - BF  
(BF)Program the rest of the chipset  
Award  
Award  
Phoenix  
(BF)Chipset initialization; Program chipset registers with setup values.  
(BF)Check virus and backup reminders.(Beep)=3-4-4-4  
Error Code - C0  
Award  
(C0)Turn off chipset cache; OEM Specific-cache control.  
Chips & Tech (C0)System board memory failure.  
Phoenix  
Award  
(C0)Try to boot with INT 19.(Beep)=4-1-1-1  
Error Code - C1,C2,C3,C4  
(C1)Memory presence test; OEM specific-test to size on- board memory. Bad  
SIMM.  
Chips & Tech (C1)I/O channel activated.  
Phoenix  
AMI  
Phoenix  
AMI  
Award  
(C1)Initialize POST Error Manager(PEM).  
(C2)NMI is Disable. Power on delay start on.  
(C2)Initialize error logging.  
(C3)Check memory(Cache, Video or first 64K)  
(C3)DRAM Select page, Check BIOS setting and first SIMM, Possible address line  
failure.  
(C3)Initialize error display function.  
(C4)CMOS conflicts, check video switch, BIOS(Chipset) on the video not  
initializing.  
Phoenix  
Award  
Phoenix  
(C4)initialize system error handler.  
Error Code - C5  
AMI  
Award  
Phoenix  
(C5)Power on delay complete. Going to enable ROM i.c. disable Cache if any.  
(C5)Early shadow; OEM Specific-Early shadow enable for fast boot.  
(C5)PnPnd dual CMOS(optional)  
Error Code - C6  
AMI  
Award  
(C6)Calculating ROM BIOS checksum.  
(C6)Cache presence test; External cache size detection. (Check Memory first 64K.Check CPU  
jumper Setting). Also, Check Video memory  
(C6)Initialize notebook docking (optional).  
Error Code - C7  
Phoenix  
AMI  
Award  
Phoenix  
(C7)ROM BIOS checksum passed. CMOS shutdown register test to be done next. (C7)Shadow  
video/system BIOS after memory pass.  
(C7)Initialize notebook docking late.  
Error Code - C8,C9  
AMI  
(C8)CMOS Shutdown register test done. CMOS checksum calculation to be done  
next.  
Award  
Phoenix  
Phoenix  
(C8)CMOS Shutdown, time delay.  
(C8)Force check(optional)  
(C9)Extended checksum(optional)  
Error Code - CA,CB,CC  
AMI  
(CA)CMOS checksum calculation is done, CMOS Drag byte written. CMOS status  
register about to initializing for Date and Time.  
(CA)Micronics cache initialization.  
Award  
22  
 
Appendix A  
(CB)CMOS status register Init done. Any initialization before keyboard BAT to be  
done next.  
AMI  
(CC)NMI handler shutdown.  
Award  
Error Code - CD-CF  
(CD)BAT command to keyboard controller is to be issued.  
(CE)Keyboard controller BAT result verified. Any initialization after KB controller.  
(CF)Initialization after KB controller BAT done. Keyboard command byte to be  
written next.  
AMI  
AMI  
AMI  
Error Code - D0-DC  
(D0)Entry to clear memory routine.  
(D0)Interrupt handler error.(Beep)=4-2-1-1  
(D1)Keyboard controller command byte is written. Going to check pressing of  
<INS> key during power-on.  
(D1)Ready to go to protected mode.  
(D2)Checking for pressing of <INS>key during power-on done. Going to disable  
DMA and Interrupt controllers.  
(D2)Ready to clear extended memory.  
(D2)Unknown interrupt error.(Beep)=4-2-1-3  
(D3)DMA controller #1,#2,interrupt controller #1,#2 disable. Video display is  
disable and port-B is initialized. Chipset initialize/auto memory detection about to  
begin.  
Compaq  
Phoenix  
AMI  
Compaq  
AMI  
Compaq  
Phoenix  
AMI  
(D3)Ready to reset back to real mode.  
(D4)Chipset Initialization/auto memory detection about to begin. Check SIMM for  
mismatch.  
Compaq  
AMI  
Compaq  
Phoenix  
AMI  
(D4)Back in real mode-ready to clear real mode.  
(D4)Pending interrupt error.(Beep)=4-2-2-1  
(D5)RUNTIME code is un-compressed.  
(D6)Initialize  
option  
ROM  
error.(Beep)4-2-2-3.Shutdown  
Phoenix  
error.(Beep)=4-2-3-1.(DA)Extended Block Move.(Beep)=4 -2-3-3.(DC)Shutdown  
10 error(Beep)=4-2-4-1  
(DD)Transfer control to un-compressed code in shadow ram at F000:FFF0.  
(E0)Ready to replace E000 ROM.  
AMI  
Compaq  
Phoenix  
(E0)Initialize the chipset.  
Error Code - E1,E2  
Compaq  
Phoenix  
Compaq  
Phoenix  
(E1)Completed E000 ROM replacement.  
(E1)Initialize the bridge.  
(E2)Ready to replace EGA ROM.  
(E2)Initialize the motherboard chipset, and CPU.(Beep)=4-3 -1-3  
Error Code - E3  
(E3)Completed EGA ROM replacement.  
(E3)Initialize refresh counter and system timer(Beep)=4-3- 1 -4  
Error Code - E4-EC  
(E4)Check for forced Flash or initialize system I/O.(Beep)= 4-3-2.(E5)Check HW  
status of ROM or check force recovery boot.(Beep)4-3-2-2. (E6) BIOS ROM is  
OK. (Beep) =4-3-2-3. (E7) Do a complete RAM Test or go to BIOS. (Beep)=4-3-2-4. (E8)Do  
OEM initialization or set huge segment. (Beep)=4-3-3-1.  
(E9) Initialize interrupt controller or initialize multi processor. (Beep)=4-3-3-2. (EA)Read in  
bootstrap code or initialize OEM special code. (Beep)=4-3 -3-3. (EB) Initialize all vectors or  
initialize PIC and DMA. (Beep)=4-3-3-4. (EC) Boot the  
Flash program or initialize memory type. (Beep)=4-3-4-1. (ED) Initialize the boot  
device or initialize memory size. (Beep)=4-3-4-2  
Compaq  
Phoenix  
Phoenix  
Error Code - EE  
(EE)Unexpected Processor exception.  
Award  
Phoenix  
(EE)Boot code was read OK or shadow boot block.(Beep)= 4-3-4-3  
Error Code - F0-F7  
(F0)Initialize interrupt vectors.(F1)Initialize Run Time Clock. (F2) Initialize video.  
(F3)Initialize System Management Mode.(F4)Output one beep before  
DOS.(F5)Boot to Mini DOS.(F6)Clear Huge Segment.(F7)Boot to Full DOS.  
Error Code - FF  
Phoenix  
Phoenix  
(FF)System booting. This means that the BIOS already passed control to the operation system.  
If no error flags such as memory size are set ,boot via INT  
19-load system from drive A, then C; display error message if correct boot device  
not found. Boot system.  
Award  
23  
 

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