IBM RS/6000 7024 E Series, Руководство по обслуживанию, Страница: 36 / 162

Symptoms What You Should Do
Intermittent Memory Problems
"Loop on Memory Test" is provided by SMS. It
can be used to test for intermittent memory
problems. Refer to Chapter 5, “System Management
Services” on page 5-1 for more information.
Other Symptoms
The system stops with the disk activity indicator
LED OFF and no beep occurred. The processor POST failed or did not execute.
There may be a problem with the CPU card or
system board.
1. Replace the CPU card. If the problem still
exists after replacing the CPU card, go to
“MAP 1540: Minimum Configuration” on
page 2-18.
The system stops with the disk activity indicator
LED ON continuously and no beep occurred. No good memory could be found.
1. If there is only one memory module
installed, replace it.
2. If there is more than one memory module
installed, go to “MAP 1540: Minimum
Configuration” on page 2-18.
The system stops after issuing one short beep
and the disk activity indicator LED is ON. Less than 3MB of memory tested good.
1. If there is only one memory module
installed, replace it.
2. If there is more than one memory module
installed, go to “MAP 1540: Minimum
Configuration” on page 2-18.
The disk activity indicator LED is blinking
rapidly. The flash EPROM data is corrupted. The
recovery procedure for the flash EPROM should
be executed.
The system stops and POST indicators are
displayed. 1. Use “MAP 1540: Minimum Configuration” on
page 2-18 to isolate the problem.
The system stops and the message "STARTING
SOFTWARE PLEASE WAIT..." is displayed. Go to “MAP 1020: Problem Determination” on
page 2-7.
2-4
Service Guide