Beep Symptoms - IBM 88371RU Maintenance And Troubleshooting Manual

replace. Take the action (or replace the FRU) that is suggested first in the list, and
then try the server again to see whether the problem has been corrected.
Note: Try reseating a suspected component or reconnecting a cable before
The POST BIOS code displays POST error codes and messages on the screen.

Beep symptoms

Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the examples in the following table.
Beeps
1-2-3
4
One beep after successfully completing POST indicates the system is functioning
properly.
Note: See "System replaceable units" on page 122 to determine which components should be replaced by a field
service technician.
Beep/symptom
1-1-2
(Microprocessor register test failed)
1-1-3
(CMOS write/read test failed)
1-1-4
(BIOS EEPROM checksum failed)
1-2-1
(Programmable Interval Timer failed)
1-2-2
(DMA initialization failed)
1-2-3
(DMA page register write/read failed)
1-2-4
(RAM refresh verification failed)
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xSeries 336 Type 1879 and Type 8837: Hardware Maintenance Manual and Troubleshooting Guide
replacing the component.
Description
v One beep
v A pause (or break)
v Two beeps
v A pause (or break)
v Three beeps
Four continuous beeps
FRU/action
1. Optional microprocessor (if installed)
2. Microprocessor
3. System board
1. Battery
2. Clear CMOS. See "Erasing a lost or forgotten password (clearing CMOS
memory)" on page 78.
3. System board
1. DIMM
2. System board
v System board
v System board
v System board
1. DIMM
2. System board