• When removing the memory modules, label the slot number on each memory module, remove all the
memory modules from the system board assembly, and set them aside on a static-protective surface for
reinstallation.
• When disconnecting cables, make a list of each cable and record the connectors the cable is
connected to, and use the record as a cabling checklist after installing the new system board
assembly.
Attention:
• Read
“Installation Guidelines” on page 57 and “Safety inspection checklist” on page 58 to ensure that you
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 75.
• Keep static-sensitive parts in their static-protective packages until installation to prevent exposure to
static electricity. Handle the parts with an electrostatic-discharge wrist strap or other grounding systems.
Place the parts on a static-protective surface.
Procedure
Step 1. Prepare your server.
a. Remove the top cover. See
“Remove the top cover” on page 282.
b. If your server comes with an air baffle, remove it first. See
“Remove the air baffle” on page 97.
c. If your server comes with a rear drive assembly, remove it first. See
“Remove the 2.5-inch rear
drive assembly” on page 232
.
d. Record where the cables are connected to the system board assembly; then, disconnect all
the cables.
Attention: Disengage all latches, cable clips, release tabs, or locks on cable connectors
beforehand. Failing to release them before removing the cables will damage the cable
connectors on the system board assembly. Any damage to the cable connectors may require
replacing the system board assembly.
e. Remove any of the following components that are installed on the system board assembly and
put them in a safe, static-protective place.
•
“Processor and heat sink replacement (trained technicians only)” on page 219
• “Memory module replacement” on page 210
• “System fan-pack replacement” on page 279
• “Rear riser card replacement” on page 251
• “CMOS battery (CR2032) replacement” on page 105
• “Rear OCP module replacement” on page 249
f. Pull out the power supplies gently. Ensure that they are disconnected from the system board
assembly.
Step 2. Remove the system board assembly from the chassis.
274
ThinkSystem SR630 V4 User Guide
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