Removing The System Board Assembly; Installing The System Board Assembly - IBM BladeCenter HS20 Problem Determination And Service Manual

Removing 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 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 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 vii, the "Installation guidelines"
2. Remove the blade server from the BladeCenter (see "Removing the blade
3. Remove the blade server cover (see "Removing the blade server cover" on
4. Remove the blade server bezel assembly (see "Removing the bezel assembly"
5. Remove any of the installed components in the following list from the system

Installing the system board assembly

To install the system board assembly, complete the following steps:
1. Install any of the components in the following list that were removed from the
2. Install the bezel assembly (see "Installing the bezel assembly" on page 61).
3. Install the blade server cover (see "Installing the blade server cover" on page
4. Install the blade server into the BladeCenter unit. See "Installing the blade
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BladeCenter HS20 Type 7981 and 1884: Problem Determination and Service Guide
on page 55, and "Handling static-sensitive devices" on page 56.
server from a BladeCenter unit" on page 57).
page 59).
on page 61).
board assembly; then, place them on a non-conductive surface or install them
on the new system board assembly.
v I/O expansion card. See "Removing a small-form-factor expansion card" on
page 66 and "Removing a standard-form-factor expansion card" on page 67.
v Hard disk drives. See "Removing a SAS hard disk drive" on page 62.
v Microprocessors and heat sinks. See "Removing a microprocessor and heat
sink" on page 72.
v DIMMs. See "Removing a memory module" on page 63.
old system board assembly onto the new system board assembly.
v I/O expansion card. See "Installing a small-form-factor expansion card" on
page 66 and "Installing a standard-form-factor expansion card" on page 69.
v Hard disk drives. See "Installing a SAS hard disk drive" on page 63.
v Microprocessors and heat sinks. See "Installing a microprocessor and heat
sink" on page 74.
v DIMMs. See "Installing a memory module" on page 64.
60).
server in a BladeCenter unit" on page 58.