Chapter 5 AMIBIOS POST
50
Beep Codes
Errors may occur during AMIBIOS POST (Power On Self Test). Fatal errors are communicated through a series of
audible beeps. All errors except Beep Code 8 are fatal.
Beeps
Error message
Description
1
Refresh Failure
The memory refresh circuitry on the
motherboard is faulty.
2
Parity Error
Parity error in the first 64 KB of memory.
3
Base 64 KB Memory
Failure
Memory failure in first 64 KB.
4
Timer Not Operational
Memory failure in the first 64 KB or Timer 1
on the motherboard is not functioning.
5
Processor error
The CPU (Central Processing Unit) on the
motherboard has generated an error.
6
8042 - Gate A20 Failure
AMIBIOS cannot switch to protected mode.
7
Processor Exception
Interrupt Error
The CPU on the motherboard generated an
exception interrupt.
8
Display Memory
Read/Write Error
The system video adapter is either missing or
its memory is faulty.
9
ROM Checksum Error
The ROM checksum value does not match
the value encoded in AMIBIOS.
10
CMOS Shutdown
Register Read/Write
Error
The shutdown register for CMOS RAM
failed.
What to Do If the Computer Beeps
If the system beeps...
then...
1, 2, or 3 times...
reseat the memory SIMMs or DIPs. If the system
still beeps, replace the memory.
6 times...
reseat the keyboard controller chip. If it still beeps,
replace the keyboard controller. If it still beeps, try
a different keyboard, or replace the keyboard fuse,
if the keyboard has one.
8 times...
memory error on the video adapter. Replace the
video adapter, or the RAM on the video adapter.
9 times...
the BIOS ROM chip is bad. The system probably
needs a new BIOS ROM chip.
11 times...
reseat the cache memory on the motherboard. If it
still beeps, replace the cache memory.
4, 5, 7, or 10 times...
the motherboard must be replaced.
Содержание Excalibur PCI
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