Lenovo ThinkServer RS110, Hardware Maintenance Manual

Page: 123 / 252

10. Remove the four screws that hold the microprocessor retention module to the
system board; then, lift the retention module out of the server.
11. Remove the remaining eight screws that secure the system board to the
chassis, and put the screws in a safe place.
12. Lift the system board out of the server.
Installing the system board
Note: When you reassemble the components in the server, be sure to route all
cables carefully so that they are not exposed to excessive pressure.
To reinstall the system board, complete the following steps:
1. Align the system board with the chassis, and replace the eight screws that you
removed in step 11 of “Removing the system board” on page 104.
Rear
Heat-exchanger retention
module latch
2. Orient the microprocessor retention module as shown in the illustration.
Attention: In the following step, do not overtighten the screws or touch the
system board with the screwdriver. Tighten the screws only until they are snug,
and then tighten them an additional quarter turn.
3. Replace the microprocessor retention module. Gently secure it with the four
screws that you removed in step 10 of “Removing the system board” on page
104.
4. Replace the microprocessor and microprocessor heat-exchanger assembly
(see “Installing the microprocessor” on page 100).
5. Replace the air baffle, if you have not already done so (see “Installing the air
baffle” on page 78).
6. Reconnect to the system board the cables that you disconnected in step 6 of
“Removing the system board” on page 104.
7. Replace the SAS/SATA controller if you removed it (see “Installing the
SAS/SATA controller (hot-swap models)” on page 96).
8. Replace the DIMMs (see “Installing a memory module (DIMM)” on page 75).
Chapter 4. Removing and replacing server components
105