System Board - IBM 8676 - Eserver xSeries 335 Hardware Maintenance Manual And Troubleshooting Manual

System board

Complete the following steps to remove the system board.
Note:
10. Disconnect all cables from the system board.
11. Remove all microprocessors and removable VRMs and set them aside on a
12. Remove the memory modules and set them aside on a static-protected surface
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xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide
v Read "Installation guidelines" on page 37.
v Read the safety notices at "Safety information" on page 119.
v Read "Handling electrostatic discharge-sensitive devices" on page 122.
1. Turn off the server and any attached devices.
Note: When replacing the system board, 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.
2. Disconnect power cords and external cables from the back of the server.
3. Remove the server from the rack.
4. Remove the cover (see "Removing the cover and bezel" on page 44).
5. Remove the air baffle.
6. Remove all adapters (see "Working with adapters" on page 45).
7. Remove all fans (see "Replacing a fan assembly" on page 56).
8. Remove the riser card (see "Riser card" on page 75).
9. Remove the SCSI backplane (see "SCSI backplane" on page 74).
static-protected surface for reinstallation (see "Installing a microprocessor" on
page 52).
for reinstallation (see "Installing memory modules" on page 51).
Note: The illustrations in this publication might differ slightly from your
hardware.