BIOS diagnostic codes and error messages 163
# of LED
flashes/beeps
Error Description
1 Refresh failure The refresh circuity of the processor
is faulty.
2 Parity error A parity error was detected in the
first 64 Kbyte block of memory.
3 Base 64 Kbyte
failure
A memory failure occurred in the
first 64 Kbyte block of memory.
4Timer not
operational
A memory failure occurred in the
first 64 Kbyte block of memory or
Timer #1 on the processor is faulty.
5 CPU error The CPU on the processor has
caused an error.
6 Gate A20
failure
Gate A20 on the keyboard
controller has caused an error,
preventing the BIOS from entering
protected mode.
7DMA page/base
error
The DMA page/base registers
caused an error.
8 Video error The video board caused an error.
Note: This error is not fatal.
9 Keyboard
failure
The keyboard cannot be initialized.
10 CMOS
shutdown
register failed
The shutdown register for the
CMOS has failed.
11 Cache failure Cache memory is defective.
12 Board
initialization
failure
The Matrox 4Sight motherboard
failed to initialize.
13 Low memory
failure
The low memory test failed.
14 Extended
memory failure
The extended memory test failed.
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