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FATAL ERROR BEEP CODES (Continued)
BEEP CODE
ERROR MESSAGE
PORT 80H
2-3-1
Bit 8 1st 64K RAM failure
18H
2-3-2
Bit 9 1st 64K RAM failure
19H
2-3-3
Bit A 1st 64K RAM failure
1AH
2-3-4
Bit B 1st 64K RAM failure
1BH
2-4-1
Bit C 1st 64K RAM failure
1CH
2-4-2
Bit D 1st 64K RAM failure
1DH
2-4-3
Bit E 1st 64K RAM failure
1EH
2-4-4
Bit F 1st 64K RAM failure
1FH
3-1-1
Slave DMA register failure
20H
3-1-2
Master DMA register failure
21H
3-1-3
Master interrupt mask register failure
22H
3-1-4
Slave interrupt mask register failure
23H
3-2-4
Keyboard/mouse controller test failure
27H
NON-FATAL ERROR BEEP CODES
BEEP CODE
ERROR MESSAGE
PORT 80H
3-3-4
Screen memory test failure
2BH
3-4-1
Screen initialization failure
2CH
3-4-2
Screen retrace test failure
2DH
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Problem Solving