9.
Open the load plate.
a. Lift the load plate.
b. For a replacement motherboard, open the latch taking care not to touch any of the pins inside the socket.
c. Remove the socket cover from the load plate by pressing it out.
Replacement motherboards do not include
processors. There should be a socket cover (C).
Save and reuse the socket cover if the
processor needs to be removed in the
future.
Socket with processor.
10.
Remove the processor. Cray Service recommends using a vacuum pen to install and remove processors.
a. Carefully lift the processor out of the socket. DO NOT drop the processor on the socket pins.
b. Immediately place your other hand underneath the processor to protect the socket pins. Place the
processor on an ESD-safe work surface.
Immediately place hand under
processor to protect socket pins
Motherboard, Processor and DIMM Replacement
HR90-2009
36
CS400-AC Hardware Replacement Procedures