POST error codes
Each time you power-on the system, it performs a series of tests that check the
operation of the system and some options. This series of tests is called the
Power-On Self-Test, or POST. POST does the following operations.
v Checks some basic system-board operations
v Checks the memory operation
v Starts the video operation
v Verifies that the diskette drive is working
v Verifies that the hard disk drive is working
If
the POST finishes without detecting any problems, a single beep sounds and the
first screen of the operating system or application program appears.
Note:
Some computers default to come up quiet (no beep and no memory count and checkpoint
code display) when no errors are detected by POST.
To enable beep and memory count and checkpoint code display when a successful POST
occurs, do the following:
1. Select Start Options in the IBM Setup Utility program (see Chapter 5, “IBM Setup
Utility program,” on page 19).
2. Set Power-On Self-Test to Enhanced.
If the POST detects a problem, an error message appears on the screen. A single
problem can cause several error messages to appear. When you correct the cause of
the first error message, the other error messages probably will not appear on the
screen the next time you turn on the system.
In the following index, X can represent any number.
POST Error Code FRU/Action
000
SCSI Adapter not enabled
Verify adapter device and Bus Master
fields are enabled in the IBM Setup Utility
program. See documentation shipped with
computer.
02X SCSI Adapter
08X
Check SCSI terminator installation.
1. SCSI Cable
2. SCSI Terminator
3. SCSI Device
4. SCSI Adapter
101
System board interrupt failure
System Board
102
System board timer error
System Board
106 System Board
110
System board memory parity error
1. Memory Module
2. System Board
92 Hardware Maintenance Manual
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