User`s guide

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Appendix A

64K RAM chip or data line failure multi

bit.

Error Code

–

AMI

CMOS status register initialize done. Keyboard controller command byte is writ

ten.

Going to issue Pin-23,24 block-

ing/ unblocking command. Going to issue

23,24 block

ing/nubolcking command. Refresh started. Parity status cleared

Award

(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

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.

hoenix&Dell

(0B)Enable CPU Cable

Check CPU Jumpers. [Beep]=1

4 1st 64K RAM

odd/even logic failure.

Error Code

–

AMI

(0C)KB controller I/B free. Going to issue the BAT command to keyboard

controller. Pin-3,24 of keyboard controller is blocked/unbloc

ked. 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

Award

(0C)Initialization of the BIOS data area(40:00

40:FF). Initialize keyboard; Detect

ype 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 keyboa

rd and keyboard interrupts for normal use,beep,halt.8254

timer,channel 1 test.

Chips & Tech

(0C)DMA register failure.

Phoenix&Dell

(0C)Initialize cache to initial POST value. Test DMA page registers. [Beep]=1

1st 64K RAM address line failure.

Erro

r Code

–

AMI

(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. Refre

sh link toggling passed.

AST

(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. In

itialize 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

2 1st 64K RAM parity test in progress or failure.

Error Code

–

AST

(0E)(Beeps)=14 short,ASIC registers.

AMI

(0E)Keyboard controller BAT result verified. Any initia

liz

ation 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

Award

(0E)Initialize the APIC(Multi

Pro

cessor 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.

Chips &

Tech

(0E)(Beeps)=14 short, Keyboard controller failure.

Phoenix

(0E)Initialize I/O.(Beep)=1

3. Test 8254 timers.

Error Code

–

AMI

(0F)initialization after KB controller BAT done. Keyboard command byte to be

written next. CMOS checksum calculatio

n 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

(0F)(Beeps)=15 short,CMOS RAM shutdown.

Award

(0F)DMA channel 0 Test. Test DMA controller 0; BIO

S 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

–

AMI

(10)KB controller command byte is written. Going to issue pin

,24

blocking/unblocking command. CMOS initia

lization done(if any). CMOS status