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Звукові сигнали BIOS
Звукові коди AMI BIOS POST - фатальні помилки
| Tone |
Condition |
| 1
короткий |
DRAM
refresh |
| 2
коротких |
помилка парності ОЗП (для SIMM, RDRAM) |
| 3
коротких |
помилка під час перевірки перших 64 кб ОЗП |
| 4
коротких |
несправність системного таймера |
| 5
коротких |
Несправність процесора |
| 6
коротких |
Несправність контроллера клавіатури |
| 7 коротких |
Virtual mode
exception |
| 8 коротких |
несправність пам\'яті відеоадаптера |
| 9 коротких |
помилка контрольної суми BIOS |
| 10 коротких |
CMOS shutdown
read/write |
| 11 коротких |
несправність кешу на материнській платі |
Звукові коди AMI BIOS - нефатальні помилки
| Tone |
Condition |
| 1 long, 3
short |
Conventional/extended
memory |
| 1 long, 8
short |
Display/retrace
test |
Звукові коди Phoenix BIOS -
Fatal Errors
| Tone |
Condition |
| None |
CPU register
test |
| None |
First 64K RAM
test |
| None |
Interrupt vector
loading proceeding |
| None |
CMOS power
failure/checksum calculation |
| None |
Display configuration
validation proceeding |
| None |
Display running with
video ROM |
| None |
Display
functional |
| None |
Mononchrome display
functional |
| None |
CGA display
functional |
| 1-1-3 |
CMOS
write/read |
| 1-1-4 |
ROM BIOS
checksum |
| 1-2-1 |
Programmable interval
timer |
| 1-2-2 |
DMA
Initialization |
| 1-2-3 |
DMA page register
write/read |
| 1-3-1 |
RAM refresh
verification |
| 1-3-3 |
st 64K RAM chip or data
line |
| 1-3-4 |
First 64K RAM odd/even
logic |
| 1-4-1 |
Address line first 64K
RAM |
| 1-4-2 |
Parity failure first
64K RAM |
| 2-1-1 |
Bit 0, first 64K
RAM |
| 2-1-2 |
Bit 1, first 64K
RAM |
| 2-1-3 |
Bit 2, first 64K
RAM |
| 2-1-4 |
Bit 3, first 64K
RAM |
| 2-2-1 |
Bit 4, first 64K
RAM |
| 2-2-2 |
Bit 5, first 64K
RAM |
| 2-2-3 |
Bit 6, first 64K
RAM |
| 2-2-4 |
Bit 7, first 64K
RAM |
| 2-3-1 |
Bit 8, first 64K
RAM |
| 2-3-2 |
Bit 9, first 64K
RAM |
| 2-3-3 |
Bit 10, first 64K
RAM |
| 2-3-4 |
Bit 11, first 64K
RAM |
| 2-4-1 |
Bit 12, first 64K
RAM |
| 2-4-2 |
Bit 13, first 64K
RAM |
| 2-4-3 |
Bit 14, first 64K
RAM |
| 2-4-4 |
Bit 15, first 64K
RAM |
| 3-1-1 |
Slave DMA
register |
| 3-1-2 |
Master DMA
register |
| 3-1-3 |
Master interrupt mask
register |
| 3-1-4 |
Slave interrupt mask
register |
| 3-2-4 |
Keyboard
controller |
| 3-3-4 |
Display
initialization |
| 3-4-1 |
Display
retrace |
| 3-4-2 |
Search for video ROM
proceeding |
Phoenix BIOS POST Tone Codes -
Non-Fatal Errors
| Tone |
Condition |
| 4-2-1 |
Timer tick interrupt
test |
| 4-2-2 |
Shutdown
test |
| 4-2-3 |
Gate A20
Failure |
| 4-2-4 |
Unexpected interrupt in
protected mode |
| 4-3-1 |
RAM test |
| 4-3-3 |
Interval timer channel
2 |
| 4-3-4 |
Real time
clock |
| 4-4-1 |
Serial
Port |
| 4-4-2 |
Parallel
Port |
| 4-4-3 |
Math Co-processor
test |
| 1-1-2* |
System board
select |
| 1-1-3* |
Extender CMOS
RAM |
| *audio code pattern
preceded by low pitched
tone |
IBM POST Tone
Codes
| Tone |
Condition |
| none |
System board, power
supply |
| 1
short |
System passed all
tests |
| 2
short |
Display
error |
| continuous |
System board, power
supply |
| 1 long, 1
short |
System
board |
| 1 long, 2
short |
Video
adapter |
| 1 long, 3
short |
EGA |
| 3
long |
3270 keyboard
card |
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