Note: Ensure that the OCP module is fully seated and the thumbscrew is securely tightened.
Otherwise, the OCP module will not get full connection and may not function.
After you finish
Complete the parts replacement. See
“Complete the parts replacement” on page 279.
OCP interposer card replacement
Follow instructions in this section to remove and install the front and rear OCP interposer cards.
•
“Remove the front OCP interposer card” on page 94
• “Install the front OCP interposer card” on page 97
• “Remove the rear OCP interposer card” on page 101
• “Install the rear OCP interposer card” on page 102
Remove the front OCP interposer card
Follow instructions in this section to remove the front OCP interposer card.
About this task
Attention:
• Read
“Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 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 62.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
Procedure
Step 1. Make preparation for the task.
a. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the
top cover, or remove the server from the rack. See
“Remove the server from rack” on page 63.
b. Remove the top cover. See
“Remove the top cover” on page 277.
c. If your server comes with a riser 1 assembly, remove it first. See
“Remove a rear riser
assembly” on page 232
. Then disconnect the cables from the rear OCP interposer card.
d. Record the cable connections, and disconnect all cables from the system board assembly.
Notes:
• If you need to disconnect cables from the system board assembly, disengage all latches or
release tabs on cable connectors first. Failing to release the tab before removing the cables
will damage the cable sockets on the system board assembly. Any damage to the cable
sockets might require replacing the processor board or system I/O board.
• The connectors on your system board assembly might look different from those in the
illustration, but the removal procedure is the same.
1. Press the release tab to release the connector.
2. Disengage the connector from the cable socket.
e. Remove system fans. See
“Remove a system fan” on page 264.
94
ThinkSystem SR665 V3 User Guide
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