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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.
AMI
Award
Error Code
-
0B
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
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
Award
(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.
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.
AMI
AST
Error Code
-
0D
(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.
AST
AMI
Award
Error Cod
e
-
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
(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.
Chips & Tech (0E)(Beeps)=14 short, Keyboard controller failure.
Phoenix
AMI
AST
Award
(0E)Initialize I/O.(Beep)=1-1-4-3. Test 8254 timers.
Error Code - 0F
(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").
(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
AMI
Error Code
-
10
(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