Problem Determination Tips - IBM 8832L1X Maintenance And Troubleshooting Manual

Server compute blade
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If all of the blade servers exhibit the same symptom, it is probably a SBCE unit problem; for more
information, s
ee the Intel
Troubleshooting Guide on the Intel
Use the information in this section if the diagnostic tests did not identify the failure, the devices list
is incorrect, or the system is inoperative.
Notes:
1. Damaged data in CMOS can cause undetermined problems. To reset the CMOS, remove the
battery for 15 minutes, and then reinstall the battery.
2.
Damaged data in BIOS code can cause undetermined problems.
Flash the system with the latest BIOS code.
If the system appears inoperative, recover the BIOS (see "Recovering the BIOS code" on page 67).
Check the LEDs on all the power supplies of the SBCE unit where the blade server is installed. If the
LEDs indicate the power supplies are working correctly, and reseating the blade server does not
correct the problem, complete the following steps:
1. Check that the front panel is connected to the system board.
2.
If no LEDs on the front panel are working, replace the front panel; then, try to power up the blade server
from the SBCE web interface (see the SBCE documentation for more information).
3.
Turn off the blade server.
4.
Remove the blade server and remove the cover.
5.
Remove or disconnect the following devices (one at a time) until you find the failure (reinstall, turn on and
reconfigure the blade server each time):
I/O adapter
Drives
Memory modules (minimum requirement = two 256 MB DIMMs)
NOTE
Minimum operating requirements are:
a.
System board assembly
b.
One microprocessor
c.
Memory (with a minimum of two 256 MB DIMMs)
d.
A functioning SBCE unit
6.
Install and turn on the blade server. If the problem remains, suspect the following FRUs in the order listed:
DIMM
System board assembly
Microprocessor
Notes:
1. If the problem goes away when you remove an I/O adapter from the system and replacing that
I/O adapter does not correct the problem, suspect the system board assembly.
2.
If you suspect a networking problem and all the system tests pass, suspect a network cabling problem
external to the system.

Problem determination tips

Due to the variety of hardware and software combinations that can be encountered, use the following
information to assist you in problem determination. If possible, have this information available when
requesting assistance from Service Support and Engineering functions.
Model
Microprocessor or hard disk upgrades
Failure symptom
— Do diagnostics fail?
®
Blade Server Chassis SBCE: Hardware Maintenance Manual and
®
Blade Server Chassis SBCE Resource CDD.
127

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