IBM xSeries 440 Troubleshooting Manual page 31

Table 1. POST beep codes (continued)
Beep code
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.
2-3-1 Screen initialization has failed.
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.
3-3-1 A memory size mismatch has occurred.
3-3-2 I2C bus has failed.
3-3-3 Important: In some memory configurations, the 3-3-3
beep code might sound during POST, followed by a blank
display screen. If this occurs and the Boot Fail Count
feature in the Start Options of the Configuration/Setup
Utility program is set to Enabled (its default setting), you
must restart the computer three times to force the system
BIOS to reset the memory connector or bank of
connectors from Disabled to Enabled.
Description
Chapter 2. Solving Problems
Action
Call for service.
Turn off the
computer and
then restart the
computer. If the
problem persists,
call for service.
Call for service.
Reseat the
memory modules
or install a
memory module.
If the problem
persists, call for
service.
Call for service.
Reseat the
memory modules
or install a
memory module.
If the problem
persists, call for
service.
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