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FATAL ERROR BEEP CODES
BEEP CODE
ERROR MESSAGE
PORT 80H
1-1-3
RTC write/read failure
02H
1-1-4
ROM BIOS checksum failure
03H
1-2-1
Programmable interval timer failure
04H
1-2-2
DMA initialization failure
05H
1-2-3
DMA page register write/read failure
06H
1-3-1
RAM refresh verification failure
08H
1-3-3
1st 64K RAM chip or data line failure
0AH
1-3-4
1st 64K RAM odd/even logic failure
0BH
1-4-1
1st 64K RAM address line failure
0CH
1-4-2
1st 64K RAM test in progress/failure
0DH
2-1-1
Bit 0 1st 64K RAM failure
10H
2-1-2
Bit 1 1st 64K RAM failure
11H
2-1-3
Bit 2 1st 64K RAM failure
12H
2-1-4
Bit 3 1st 64K RAM failure
13H
2-2-1
Bit 4 1st 64K RAM failure
14H
2-2-2
Bit 5 1st 64K RAM failure
15H
2-2-3
Bit 6 1st 64K RAM failure
16H
2-2-4
Bit 7 1st 64K RAM failure
17H
04/APRIL/93 – 595-5484-UU
133
133
5-28
Problem Solving