System Diagnostic Tests - IBM eServer xSeries 455 Type 8855 Hardware Maintenance Manual And Troubleshooting Manual

Error-log viewer
If you have enabled logging with the Generate Report option, you can display the
log while still running the AMIDiag program. The AMIDiag error log contains all
diagnostic errors that the AMIDiag program has found during the current AMIDiag
session. The error-log viewer offers some text search capability.
To display the error log, select Display Error Log File on the AMIDiag Options
menu. Type the name of the error log file. The default error log filename is
amidiag.log. The AMIDiag error log file will be displayed.
If you get a message that says that the log file is damaged, complete the following
steps to correct the problem:
1. From the main menu, select Options.
2. Select Generate Report, and press Enter.
3. Select Report Destination, and press Enter.
4. Select File, and press Enter.
To access Help for more information about an error, browse to the error that you
want to see in the error window (on the right side of the screen), and press F1.
Quitting tests
Press Esc to quit the testing process. Testing stops after any test in progress has
been completed.

System diagnostic tests

This section describes individual system diagnostic tests.
Note: Each test on the System menu can generate error codes. For system-error
PCI Test
Use the PCI Test to make sure that the PCI bus and all PCI devices in the server
are working properly.
To make sure that the PCI adapter slots are functioning correctly, complete the
following steps:
1. From the AMIDiag main menu, select System.
2. Select PCI Test, and press Enter.
System Board Tests
Select this choice to run a DMA controller test.
This test is a series of read and write tests on the memory address registers and
page registers of direct memory address (DMA) controllers 1 and 2. The DMA
controller manages the flow of information directly to and from system memory and
an "intelligent" peripheral device, without passing through the microprocessor. On
error, the AMIDiag program displays the register number, data written, and data
read. To perform this test, complete the following steps:
1. From the main menu, select System.
2. Select DMA Controller Test, and press Enter.
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IBM xSeries 455 Type 8855: Hardware Maintenance Manual and Troubleshooting Guide
Note: You must be able to write to the file system to which you are saving the
report.
codes, see "System-error codes" on page 176.