Chapter 3. Symptom-To-Part Index; Beep Codes And Their Meanings - IBM TotalStorage 200 Service Manual

Chapter 3. Symptom-to-part index

This index lists symptoms, errors, and the possible causes. The most likely part that
needs to be replaced is listed first. Use this Symptom-to-part index to help you
decide which parts to have available when servicing the product.
The POST BIOS displays POST error codes and messages on the panel.

Beep codes and their meanings

A beep code is an audio signal consisting of a short tone or a series of short tones
separated by pauses. For example, beep code 1-2-3 consists of:
v One beep
v A pause
v Two beeps
v A pause
v Three beeps
Table 2 lists the beep codes, their meanings, the suspected parts, and the
suggested actions.
Note: The most likely suspected part is listed first.
Table 2. Beep codes and suggested actions
Beep code
1-1-2
1-1-3
1-1-4
1-2-1
1-2-2
1-2-3
1-2-4
1-3-1
© Copyright IBM Corp. 2001
Note: One beep after the POST completes successfully indicates that the
system is operating correctly.
Meaning
Processor register test failed
CMOS write/read test failed
BIOS ROM checksum failed
Programmable Interval Timer failed
DMA initialization failed
DMA page register write/read failed
RAM refresh verification failed
First 64K RAM test failed
Possible cause
1. Optional processor (if installed)
2. Processor
1. Battery
2. System board
System Board
1. System Board
2. Processor Board
1. System Board
2. Processor Board
1. System Board
2. Processor Board
1. DIMM
2. Processor/PCI board
3. System Board
1. DIMM
2. Processor/PCI Board
3. System Board
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