Removing And Replacing Tier 2 Crus; Replacing The System-Board And Chassis Assembly - IBM BladeCenter JS21 Types 8844 Service Manual

Removing and replacing Tier 2 CRUs

You may install a Tier 2 CRU yourself or request IBM to install it, at no additional
charge, under the type of warranty service that is designated for the blade server.

Replacing the system-board and chassis assembly

This section describes how to replace the system-board and chassis assembly.
When replacing the system board, you will replace the system board, blade base
(chassis), microprocessors, and heat sinks 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 replace the system-board and chassis assembly, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
on page 141
2. If the blade server is installed in a BladeCenter unit, remove it (see "Removing
the blade server from a BladeCenter unit" on page 143).
3. Remove the blade server cover (see "Removing the blade server cover" on
page 145).
4. Remove the blade server bezel assembly (see "Removing the bezel assembly"
on page 147).
5. Remove any of the installed components listed below from the system board;
then, place them on a non-conductive surface or install them on the new
system-board and chassis assembly.
v I/O expansion card. See "Removing and installing an I/O expansion card" on
page 153.
v Hard disk drives. See "Installing a SAS hard disk drive" on page 150.
v DIMMs. See "Removing a memory module" on page 151.
v Battery. See "Removing the battery" on page 157.
6. Touch the static-protective package that contains the system-board and
chassis assembly to any unpainted metal surface on the BladeCenter unit or
any unpainted metal surface on any other grounded rack component; then,
remove the assembly from its package.
7. Install any of the components listed below that were removed from the old
system-board and chassis assembly.
v I/O expansion card. See "Removing and installing an I/O expansion card" on
page 153.
v Hard disk drives. See "Installing a SAS hard disk drive" on page 150.
v DIMMs. See "Installing a memory module" on page 152.
v Battery. See "Installing the battery" on page 157.
8. Install the bezel assembly (see "Installing the bezel assembly" on page 148 for
instructions).
9. Install the blade server cover (see "Installing the blade server cover" on page
146 for instructions).
Chapter 4. Removing and replacing blade server components
163