IBM eServer 342 xSeries, User Reference Manual

Page: 97 / 160

Chapter 6. Solving problems
83
POST beep codes
In addition to the beep codes that are described on page 77, your computer might
emit beep codes that are described in the following table. For example, a 1-2-3 beep
code is one beep, a pause, two consecutive beeps, another pause, and three more
consecutive beeps.
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.
3-2-4 Comparison of CMOS memory size against actual has
failed.
2-3-1 Screen initialization has failed. I2C bus has failed. Turn off the server, unplug the
server cord, wait 20 seconds
until the power-on LED stops
blinking. Reconnect the ac
power cord and then start the
server. If the problem persists,
call for service.
Table 12. POST beep codes.