Specifications

82 007-4276-001
4: Solving Problems
• Verify that the baseboard jumpers are set correctly. See “Changing Jumper Settings”
on page 133.
• If other software runs correctly on the system, contact your vendor about the failing
software.
If the problem persists, contact the software vendor's customer service representative.
Error and Informational Messages
When you turn on the system, POST displays messages that provide information about
the system. If a failure occurs, POST emits beep codes that indicate errors in hardware,
software, or firmware. If POST can display a message on the video display screen, it
causes the speaker to beep twice as the message appears.
Table 4-2 shows the standard BIOS Port-80 codes.
Table 4-2 Standard BIOS Port-80 Codes
CP Beeps Reason
xx 1-1-1-1 There are no processors present in the system, or the processors are so
incompatible (for example, mismatched cache voltages) that the system BIOS
cannot be run
16 1-2-2-3 BIOS ROM checksum
20 1-3-1-1 Test DRAM refresh
22 1-3-1-3 Test 8742 keyboard controller
28 1-3-3-1 Autosize DRAM, system BIOS stops execution here if the BIOS does not detect
anyusablememoryDIMMs
2C 1-3-4-1 Base RAM failure, BIOS stops execution here if entire memory is bad
46 2-1-2-3 Check ROM copyright notice
58 2-2-3-1 Test for unexpected interrupts
98 1-2 Search for option ROMs. One long, two short beeps on checksum failure
B4 1 One short beep before boot