Removing The System-Board Assembly; Installing The System-Board Assembly - IBM LS42 - BladeCenter - 7902 Service Manual

Removing the system-board assembly

This section describes how to remove components from the blade server when the
system-board assembly is being replaced; the procedure for removing components
from the MPE unit when the MPE board assembly is being replaced is similar.
When replacing the system board, you will replace the system board and blade
base as one assembly. After replacement, you must either update the blade server
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 6 for information about the locations of
the connectors on the system board.
To remove the system-board assembly, complete the following steps:
1. Read the safety information that begins on page "Safety statements" on page
2. If the blade server is installed in a BladeCenter unit, remove it (see "Removing
3. Remove the blade server cover (see "Removing the blade server cover" on page
4. If an MPE unit is installed, remove the MPE unit (see "Removing an expansion
5. Remove the blade server bezel assembly (see "Removing the bezel assembly"
6. Remove all of the installed components in the following list from the
7. If you are instructed to return the system-board assembly, follow all packaging

Installing the system-board assembly

This section describes how to install components in the blade server when the
system-board assembly is being replaced; the procedure for installing components
in the MPE unit when the MPE board assembly is being replaced is similar.
To install the system-board assembly, complete the following steps:
1. Install all of the components in the following list that you removed from the
62
BladeCenter LS22 Type 7901 and LS42 Type 7902: Problem Determination and Service Guide
viii and "Installation guidelines" on page 25.
the blade server from a BladeCenter unit" on page 27).
29).
unit" on page 31).
on page 33).
system-board assembly; then, place them on a static-protective surface or install
them on the new system-board assembly.
v I/O-expansion cards. See "Removing an I/O expansion card" on page 39.
v Concurrent KVM card. See "Removing a concurrent KVM feature card" on
page 51.
v Hard disk drives. See "Removing a SAS drive" on page 35.
v Microprocessors and heat sinks. See "Removing a microprocessor and heat
sink" on page 57.
v DIMMs. See "Removing a memory module" on page 37.
v (LS22 Type 7901 and single-width LS42 Type 7902 only) LS22 optimizer. See
"Removing the LS22 optimizer" on page 49.
instructions, and use any packaging materials for shipping that are supplied to
you.
old system-board assembly onto the new system-board assembly.