Specifications

Table 2–3 (Cont.) Beep Codes for Fatal Errors
Beep
Code Error Message Port 80h
1-3-3 1st 64 KB DRAM chip or data line failure 0Ah
1-3-4 1st 64 KB DRAM odd/even logic failure 0Bh
1-4-1 1st 64 KB DRAM address line failure 0Ch
1-4-2 1st 64 KB DRAM parity test in-progress
failure
0Dh
2-1-1 Bit 0 1st 64 KB DRAM failure 10h
2-1-2 Bit 1 1st 64 KB DRAM failure 11h
2-1-3 Bit 2 1st 64 KB DRAM failure 12h
2-1-4 Bit 3 1st 64 KB DRAM failure 13h
2-2-1 Bit 4 1st 64 KB DRAM failure 14h
2-2-2 Bit 5 1st 64 KB DRAM failure 15h
2-2-3 Bit 6 1st 64 KB DRAM failure 16h
2-2-4 Bit 7 1st 64 KB DRAM failure 17h
2-3-1 Bit 8 1st 64 KB DRAM failure 18h
2-3-2 Bit 9 1st 64 KB DRAM failure 19h
2-3-3 Bit A 1st 64 KB DRAM failure 1Ah
2-3-4 Bit B 1st 64 KB DRAM failure 1Bh
2-4-1 Bit C 1st 64 KB DRAM failure 1Ch
2-4-2 Bit D 1st 64 KB DRAM failure 1Dh
2-4-3 Bit E 1st 64 KB DRAM failure 1Eh
2-4-4 Bit F 1st 64 KB DRAM 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
System Troubleshooting 2–17