System Board Assembly - IBM LS20 - BladeCenter - 8850 Service Manual

System board assembly

This section describes how to replace the system board assembly. When replacing
the system board, you will replace the system board and blade base as one
assembly. After replacement, you must either update the system with the latest
firmware or restore the pre-existing firmware that the customer provides on a
diskette or CD image.
Note: See "System-board layouts" on page 7 for more information on the locations
of the connectors, jumpers and LEDs on the system board.
To remove the system board assembly, complete the following steps:
1. Read the safety information that begins on page v, the "Installation guidelines"
2. Shut down the operating system and turn off the blade server (see "Turning off
3. Remove the blade server from the BladeCenter (see "Removing and installing
4. Remove the blade server cover (see "Operating the blade server cover" on
5. Remove the blade server bezel assembly (see "Removing and replacing the
6. Remove any of the installed components listed below from the system board
To replace the system board assembly, complete the following steps:
1. Install any of the components listed below that were removed from the old
2. Install the bezel assembly (see "Removing and replacing the bezel assembly"
3. Install the blade server cover (see "Operating the blade server cover" on page
4. Install the blade server into the BladeCenter unit. See "Removing and installing
84
AMD Opteron LS20 Type 8850 for IBM BladeCenter: Problem Determination and Service Guide
on page 59 and "Handling static-sensitive devices" on page 60.
the blade server" on page 6).
the blade server in a BladeCenter unit" on page 61).
page 64).
bezel assembly" on page 66).
assembly; then, place them on a non-conductive surface or install them on the
new system board assembly.
v I/O expansion card. See "I/O expansion card" on page 72.
v Hard disk drives. See "SCSI hard disk drive" on page 67.
v Microprocessors and heat sinks. See "Microprocessor" on page 78.
v DIMMs. See "Memory modules (DIMMs)" on page 69.
v Battery. See "Battery" on page 76.
system board assembly.
v I/O expansion card. See "I/O expansion card" on page 72.
v Hard disk drives. See "SCSI hard disk drive" on page 67.
v Microprocessors and heat sinks. See "Microprocessor" on page 78.
v DIMMs. See "Memory modules (DIMMs)" on page 69.
v Battery. See "Battery" on page 76.
on page 66 for instructions).
64 for instructions).
the blade server in a BladeCenter unit" on page 61 for instructions.