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Chapter 6. Solving problems 77

POST beep codes

Beep code Description Action

1-1-2 Microprocessor register test has failed. Call for service.

1-1-3 CMOS write/read test has failed.

1-1-4 BIOS ROM checksum has failed.

1-2-1 Programmable Interval Timer test has failed.

1-2-2 DMA initialization has failed.

1-2-3 DMA page register write/read test has failed.

1-4-3 Interrupt vector loading test has failed.

2-1-1 Secondary DMA register test has failed.

2-1-2 Primary DMA register test has failed.

2-1-3 Primary interrupt mask register test has failed.

2-1-4 Secondary interrupt mask register test has failed.

2-2-1 Interrupt vector loading has failed.

2-2-2 Keyboard controller test has failed.

2-2-3 CMOS power failure and checksum checks have failed.

2-2-4 CMOS configuration information validation has failed. Call for service.

2-3-2 Screen memory test has failed.

2-3-3 Screen retrace tests have failed.

2-3-4 Search for video ROM has failed.

2-4-1 Screen test indicates the screen is operable.

3-1-1 Timer tick interrupt test has failed.

3-1-2 Interval timer channel 2 test has failed.

3-1-3 RAM test has failed above address hex 0FFFF.

3-1-4 Time-of-Day clock test has failed.

3-2-1 Serial port test has failed.

3-2-2 Parallel port test has failed.

3-2-4 Comparison of CMOS memory size against actual has

failed.

2-3-1 3-3-2 Screen initialization has failed. I2C bus has failed. Turn off the

server and then

restart the server.

If the problem

persists, call for

service.

Table 12. POST beep codes

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 147 148

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