Note: Removing the heat sink from the microprocessor destroys the even
distribution of the thermal grease and requires replacing the thermal grease.
v To order an additional optional microprocessor, contact your IBM marketing
representative or authorized reseller.
v The following table shows the DIMM connectors on the system board and the
memory tray that are associated with each microprocessor:
Table 13. DIMM connectors associated with each microprocessor
Microprocessor DIMM connectors
Microprocessor socket 1 1 through 16
Microprocessor socket 2 17 through 32
Note: When the memory tray is not installed in the server, DIMMs 1 through 16
are solely associated with microprocessor 1. Microprocessor 2 has access to
DIMMs 1 through 16, but access is through microprocessor 1. This is important
if load balancing is a necessity for your operating system or software load.
To install an additional microprocessor and heat sink, complete the following steps:
1. Read the safety information that begins on page “Safety” on page v and
“Installation guidelines” on page 44.
2. Turn off the server (see “Turning off the server” on page 24) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables from the server.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see “Handling static-sensitive devices” on page 46.
3. Remove the server top cover (see “Removing the server top cover” on page
46).
4. Locate microprocessor socket 2 on the system board.
5. Disconnect any cables from the adapters that are installed in the PCI riser-card
in slot 1 on the system board.
6. Remove memory tray, if one is installed (see “Removing the memory tray” on
page 47).
7. Remove the DIMM air baffle, if one is installed (see “Removing the DIMM air
baffle” on page 48).
8. Remove the riser-card assembly from slot 1 on the system board. Grasp the
riser-card assembly by the front and rear and pull it out of the slot on the
system board.
9. Remove the microprocessor air baffle (see “Removing the microprocessor air
baffle” on page 49).
10. Rotate the heat-sink release lever to the fully open position and lift the
heat-sink filler off the microprocessor socket.
11. Install the microprocessor:
a. Press down and out on the release lever on microprocessor socket 2 and
lift up the microprocessor release lever until it stops in the fully open
position.
b. Lift the hinged microprocessor bracket frame into an open position.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these
devices, see “Handling static-sensitive devices” on page 46.
86 System x3690 X5 Types 7147, 7148, 7149, and 7192: Installation and User's Guide
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