Texas Instruments 60X - Manual (Page 79)

Troubleshooting Procedures 5-9
Table 5-3 Self Test Beep Messages
Beep Code Port 80h Description
None 01h CPU Register Test in Progress
1-1-3 02h CMOS Write/Read Failure
1-1-4 03h ROM BIOS Checksum Failure
1-2-1 04h Programmable Interval Timer Failure
1-2-2 05h DMA Initialization Failure
1-2-3 06h DMA Page Register Write/Read Failure
1-3-1 08h DRAM Refresh Verification Failure
None 09h 1ST 64K RAM Test in Progress
1-3-3 0Ah 1ST 64K RAM Chip or Data line Failure
1-3-4 0Bh 1ST 64K RAM Odd/Even Logic Failure
1-4-1 0Ch Address Line Failure, 1ST 64K RAM
1-4-2 0Dh Parity Failure, 1ST 64K RAM
2-1-1 10h Bit 0, 1ST 64K RAM Failure
2-1-2 11h Bit 1, 1ST 64K RAM Failure
2-1-3 12h Bit 2, 1ST 64K RAM Failure
2-1-4 13h Bit 3, 1ST 64K RAM Failure
2-2-1 14h Bit 4, 1ST 64K RAM Failure
2-2-2 15h Bit 5, 1ST 64K RAM Failure
2-2-3 16h Bit 6, 1ST 64K RAM Failure
2-2-4 17h Bit 7, 1ST 64K RAM Failure
2-3-1 18h Bit 8, 1ST 64K RAM Failure
2-3-2 19h Bit 9, 1ST 64K RAM Failure
2-3-3 1Ah Bit A, 1ST 64K RAM Failure
2-3-4 1Bh Bit B, 1ST 64K RAM Failure
2-4-1 1Ch Bit C, 1ST 64K RAM Failure
2-4-2 1Dh Bit D, 1ST 64K RAM Failure
2-4-3 1Eh Bit E, 1ST 64K RAM Failure
2-4-4 1Fh Bit F, 1ST 64K RAM Failure
3-1-1 20h Slave DMA Register Failure
3-1-2 21h Master DMA Register Failure
3-1-3 22h Master Interrupt Mask Register Failure