“Read the
installation
Guidelines” on
page 79
“Power off
the server for
this task” on
page 11
“ATTENTION:
Static Sensitive Device
Ground package before opening”
on page 82
Before removing the system board:
1. Remove the top cover. See “Remove the top cover” on page 89.
2. If your server comes with an air baffle, remove it first. See “Remove the air baffle” on page 92.
3. Record where the cables are connected to the system board; 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. Any damage to the cable connectors may require replacing the system board.
4. Remove any of the following components that are installed on the system board and put them in a safe,
static-protective place. See the related topics in Chapter 3 “Hardware replacement procedures” on page
79.
• Fan board
• PIB board
• System fans
• Heat sink and processor
• Memory modules
• M.2 adapter
• Riser assemblies
• Rear hot-swap drive cage
• RAID super capacitor module
• CMOS battery
• Middle drive cage
5. Pull out the power supplies slightly. Ensure that they are disconnected from the system board.
To remove the system board, complete the following steps:
Watch the procedure. A video of the installation and removal process is available:
• YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DTDY1lmpIPpJVOzo7dKq14
• Youku: http://list.youku.com/albumlist/show/id_52222446.html
Note: Depending on the model, the blue lift handle on your system board might look slightly different from
the illustration below.
194
ThinkSystem SR635 Maintenance Manual
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