PCI-POSTcode_display.pdf

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POST codes Award-BIOS
POST codes Ami BIOS
note: please check the website of the BIOS vendor for a
full list of POST codes. This is just a brief compilation of
common codes. All codes are in hexadecimal.
note: please check the website of the BIOS vendor for a
full list of POST codes. This is just a brief compilation of
common codes. All codes are in hexadecimal.
C0 OEM specific cache control
01, 02 processor tests
03, BE, 08, BF chipset tests/init
04
D0
power-on delay
D3, E0, 1A, 45-53
memory
E1, E2, 12, 24, 25
DMA/IRQ controller
memory refresh test (chipset)
59-67
DMA/IRQ (cont’d)
05, 0C, 62
keyboard controller
ED, EE, 8F
floppy
07, 0B
CMOS and/or battery check
8D, 91
harddisk
C1, 30-32
memory tests
F0-FF
flash procedure AMIBOOT.ROM file
C6, 08, 3E
cache detection/test
07
CPU
0D, 0E
Video interface
08, 0A, 0B
CMOS, battery
0F, 10, 11
DMA tests
D1, 0C-10, 80-84, 9E
keyboard
15-19, B0
IRQ/NMI tests
14, 19, A4, A5
chipseet
3D
mouse detect
27, 28, 2B-34
video interface
41
Floppy
8B
PS/2 mouse
42
harddrive
9A, 9B
printer/serial port
43
serial/parallel
00
boot (INT 19h)
FF
boot
This list is not complete, and it may not cover the latest
version of your BIOS. Please consult the support
page of the BIOS vendor of the system you are trying
to diagnose.
The LEDs only show if a voltage is present. They do not
show the accuracy of the voltages! To test the accuracy
of your power supply, please use our power supply
tester.
This list is not complete, and it may not cover the latest
version of your BIOS. Please consult the support
page of the BIOS vendor of the system you are trying
to diagnose.
The LEDs only show if a voltage is present. They do not
show the accuracy of the voltages! To test the accuracy
of your power supply, please use our power supply
tester.
We will not answer any questions on how to
repair computers.
We will not answer any questions on how to
repair computers.
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