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© Copyright IBM Corp. 1999 13
Diagnostics
Contents
Diagnostic tools overview . . . . . . . . . . . . . . . . . . . . 13
POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
POST beep codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
POST error messages . . . . . . . . . . . . . . . . . . . . . . . . 14
Event/error logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Small computer system interface messages . . . . . 14
Solving ServeRAID problems . . . . . . . . . . . . . . . . . 15
ServeRAID controller messages . . . . . . . . . . . . . . . 15
ServeRAID startup messages . . . . . . . . . . . . . . . . . 15
ServeRAID ISPR, BCS, and ECS POST error codes .
19
Rebuilding a defunct drive . . . . . . . . . . . . . . . . . . . 23
Steps for recovering from defunct drives . . . . . . . 24
Rebuilding a hot-swap drive . . . . . . . . . . . . . . . . . . 24
Recovering from an incomplete format of a physical
drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Recovering from a failure in a failover-environment
25
Replacing a non-hot-plug controller in a failover
pair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Diagnostic programs and error messages . . . . . . . 25
Text messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Starting the diagnostic programs. . . . . . . . . . . . . . 26
Viewing the test log . . . . . . . . . . . . . . . . . . . . . . . . . 27
Diagnostic error message tables. . . . . . . . . . . . . . . 28
Light path diagnostics . . . . . . . . . . . . . . . . . . . . . . . 28
Power supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 28
Diagnostic panel LEDs . . . . . . . . . . . . . . . . . . . . . . 29
Light path diagnostics . . . . . . . . . . . . . . . . . . . . . . . 29
Power checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Temperature checkout . . . . . . . . . . . . . . . . . . . . . . . 32
Recovering BIOS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Replacing the battery. . . . . . . . . . . . . . . . . . . . . . . . 34
Diagnosing errors . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Troubleshooting the Ethernet controller . . . . . . . . 35
Network connection problems . . . . . . . . . . . . . . . . 36
Ethernet controller troubleshooting chart. . . . . . . 36
Ethernet controller messages . . . . . . . . . . . . . . . . . 38
Novell NetWare or IntraNetWare server ODI driver
messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
NDIS 4.0 (Windows NT) driver messages . . . . . . 40
UNIX messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
This section provides basic troubleshooting information to help you resolve some
common problems that might occur with the server.
If you cannot locate and correct the problem using the information in this section,
refer to “Symptom-to-FRU index” on page 143 for more information.
Diagnostic tools overview
The following tools are available to help you identify and resolve hardware-related
problems:
• POST beep codes, error messages, and error logs
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See “POST” on page 14
for more information.
• Diagnostic programs and error messages
The server diagnostic programs are stored in upgradable read-only memory
(ROM) on the system board. These programs are the primary method of testing
the major components of the server. See “Diagnostic programs and error
messages” on page 25 for more information.
• Light path diagnostics
Your server has light-emitting diodes (LEDs) to help you identify problems with
server components. These LEDs are part of the light-path diagnostics that are
built into the server. By following the path of lights, you can quickly identify the
type of system error that occurred. See “Light path diagnostics” on page 28 for
more information.
• Error symptoms