Chapter 6. FRU Removals
These removals are to be done by trained service technicians only.
Important: Before you install or remove any option, read “Safety information” on
page 109. These precautions and guidelines will help you work safely.
Removing the retention bar and PCI riser card
To remove the retention bar and riser card, do the following:
1. Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then, remove the cover. See “Removing the cover” on
page 19.
2. Disconnect all riser card cables and wires.
3. Remove the screws securing the retention bar and PCI riser card.
4. Lift the riser card out.
Replacing a microprocessor
To replace a microprocessor in any of the machine types, do the following:
1. Turn off the computer and peripheral devices and disconnect all external cables
and power cords; then, remove the cover. See “Removing the cover” on
page 19.
2. Remove the drive tray. See “Installing a drive in the disk drive tray” on
page 26.
3. Remove the retention bar and riser card. See “Removing the retention bar and
PCI riser card”.
© Copyright IBM Corp. 2001 33