IBM PC Server 325, User Handbook Manual

Page: 200 / 288

Beep Codes
It is possible to misinterpret a beep code if you do not understand
exactly how they work. Keeping in mind that POST-error beep
codes vary in the length of the pause, and not the duration of the
beep tones, will help you to distinguish the beeps.
Beep Code Chart
Beep Code Description
1-1-2
1-1-3
1-1-4
1-2-1
1-2-2
1-2-3
2-1-1
2-1-2
2-1-3
2-1-4
2-2-1
2-2-2
2-2-3
2-2-4
2-3-1
2-3-2
2-3-3
2-3-4
2-4-1
3-1-1
3-1-2
3-1-3
3-1-4
3-2-1
3-2-2
3-2-3
3-2-4
3-3-1 Microprocessor register test is in progress
CMOS write/read test is in progress or has failed
BIOS ROM checksum is in progress or has failed
Programmable Interval Timer test is in progress or has failed
DMA initialization is in progress or has failed
DMA page register write/read test is in progress or has failed
Secondary DMA register test is in progress or has failed
Primary DMA register test is in-progress or has failed
Primary interrupt mask register test has failed
Secondary interrupt mask register test is in progress or has failed
Interrupt vector loading is in progress
Keyboard controller test is in progress or has failed
CMOS power failure and checksum checks are in progress
CMOS configuration information validation is in progress
Screen initialization is in progress or has failed
Screen memory test is in progress or has failed
Screen retrace tests are in progress or have failed
Search for video ROM is in progress
Screen believed operable
Timer tick interrupt test is in progress or has failed
Interval timer channel 2 test is in progress or has failed
RAM test is in progress or has failed above address hex 0FFFF
Time-of-Day clock test is in progress or has failed
Serial port test is in progress or has failed
Parallel port test is in progress or has failed
Math Coprocessor test is in progress or has failed
Comparison of CMOS memory size against actual is in progress
Memory size mismatch occurred
Action: Have the system serviced.
1-2-4
1-3-1
1-3-2 RAM refresh verification is in progress or has failed
First 64 KB RAM test is in progress
First 64 KB RAM parity test is in progress or has failed
Action: Reseat the memory module kits. If the problem recurs, have
the system serviced.
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PC Server 325 User's Handbook