Cisco Cisco UCS M4308 Modular Chassis Guide De Montage
Cisco UCS M2814 Compute Cartridge Service Note
Replacing Components
6
Replacing Components
Replacing a CPU
CPU Population Guidelines
CAUTION:
Use only Cisco-certified CPU replacement parts.
CAUTION:
CPUs and their motherboard sockets are fragile and must be handled with care to avoid damaging pins during installation. You
must use the Pick and Place tool as described in the following procedure to prevent damage to the contact pins between the socket and the
CPU. Do not attempt this procedure without the required tool, which is included with each CPU option kit.
CPU. Do not attempt this procedure without the required tool, which is included with each CPU option kit.
CAUTION:
The CPUs must be installed with heatsinks and their thermal grease to ensure proper cooling. Failure to install a CPU correctly
might result in damage to the server.
If the cartridge has two CPUs, they must be two identical CPUs. Do not mix CPU types or speeds.
Replacing a CPU
1.
Decommission and power off the cartridge before you remove it from the chassis, as described in
2.
Remove the cover from the cartridge, as described in
.
3.
Carefully lift the two air baffle-strips from the cartridge and set them aside. The holes in the strips fit over the heatsink screws.
4.
Remove the heatsink:
CAUTION:
To avoid damaging the CPU or heatsink, alternate loosening each screw evenly until the heatsink can be lifted from the
standoffs.
a.
Use a #2 Phillips-head screwdriver to loosen the four heatsink captive screws (see
b.
Lift the heatsink straight up and set it aside.
5.
Unclip the first CPU retaining lever that is labeled with the
icon.
6.
Unclip the second retaining lever that is labeled with the
icon.
NOTE:
Do not allow the lever to spring upward, which might dislodge the CPU.
7.