IBM PC 300GL Type 6272, Техническое руководство

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Appendix D. Error Codes
Beep Codes
For the following beep codes, the numbers indicate the sequence and number of beeps. For example, a
“2-3-2” error symptom (a burst of two beeps, three beeps, then a burst of two beeps) indicates a memory
module problem.
Figure 55. Beep Codes
Beep Code Probable Cause
1-1-3 CMOS write/read failure
1-1-4 BIOS ROM checksum failure
1-2-1 Programmable interval timer test failure
1-2-2 DMA initialization failure
1-2-3 DAM page register write/read test failure
1-2-4 RAM refresh verification failure
1-3-1 1st 64 K RAM test failure
1-3-2 1st 64 K RAM parity test failure
2-1-1 Slave DMA register test in progress or failure
2-1-2 Master DMA register test in progress or failure
2-1-3 Master interrupt mask register test failure
2-1-4 Slave interrupt mask register test failure
2-2-2 Keyboard controller test failure
2-3-2 Screen memory test in progress or failure
2-3-3 Screen retrace tests in progress or failure
3-1-1 Timer tick interrupt test failure
3-1-2 Interval timer channel 2 test failure
3-1-4 Time-of-Day clock test failure
3-2-4 Comparing CMOS memory size against actual
3-3-1 Memory size mismatch occurred
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