Lenovo ThinkStation Hardware Maintenance Manual page 148

v Memory must always be installed in the blue sockets first, starting with the blue
To install or replace a memory module:
1. Remove the computer cover. See "Removing the cover" on page 96.
2. Lay the computer on its side.
3. Locate the memory slots. See "Locating parts on the system board" on page
4. For some computer models, you might need to remove the memory fan duct to
5. Open the retaining clips as shown.
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Hardware Maintenance Manual
example: If you are to install six 1 GB DIMMs in a dual-processor system, three
of the 1 GB DIMMs should be installed in the CPU1 slots, and the other three
should be installed in the CPU2 slots.
socket closest to each respective CPU. Install in the black sockets only after all
blue sockets are occupied.
137.
Note: If it is the first time that the memory module being replaced, you might
have to remove the blue shipping clip before removing the memory fan
duct. If the computer is to be repackaged and shipped, the shipping clip
must be reinstalled.
access the memory slots. To remove the memory fan duct, remove the blue
shipping clip, disconnect the memory fan cable from the system board, press
inward on the two tabs, pivot the fan duct, and then disengage the other end
of the duct.
If you are replacing an old memory module, open the retaining clips and
remove the memory module being replaced as shown.