Code
3-1-1
Cause
Slave DMA register failure
Code
3-1-2
Cause
Master DMA register failure
Code
3-1-3
Cause
Master interrupt mask register failure
Code
3-1-4
Cause
Slave interrupt mask register failure
Code
3-2-2
Cause
Interrupt vector loading failure
Code
3-2-4
Cause
Keyboard Controller Test failure
Code
3-3-1
Cause
NVRAM power loss
Code
3-3-2
Cause
NVRAM configuration
Code
3-3-4
Cause
Video Memory Test failure
Code
3-4-1
Cause
Screen initialization failure
Code
3-4-2
Cause
Screen retrace failure
Code
3-4-3
Cause
Search for video ROM failure
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