Step 1. Open the retaining clips on each end of the DIMM slot. Then, install the DIMM into the slot.
Attention: To avoid breaking the retaining clips or damaging the DIMM slots, open and close the
clips gently.
Step 2. Firmly press the DIMM straight down into the slot by applying pressure on both ends of the DIMM
simultaneously. The retaining clips snap into the locked position when the DIMM is firmly seated in
the slot.
Note: If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly
inserted; open the retaining clips, remove the DIMM, and then reinsert it.
After installing a DIMM, complete the parts replacement. See “Complete the parts replacement” on page
178.
PCIe adapter retainer replacement
Use this information to remove and install the PCIe adapter retainer, which helps to secure PCIe adapters.
Remove the PCIe adapter retainer
Use this information to remove the PCIe adapter retainer.
“Read the
installation
Guidelines” on
page 59
“Power off
the server
for this task”
on page 12
Before removing the PCIe adapter retainer:
1. If the server is installed in a rack, extend the server from the rack.
2. Remove the server cover. See “Remove the server cover” on page 68.
To remove the PCIe adapter retainer, complete the following step:
Watch the procedure. A video of the removal process is available:
• Youtube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-Acsjj4tU79GzKnWG316BYn
• Youku: http://list.youku.com/albumlist/show/id_50483452
Figure 86. PCIe adapter retainer removal
Step 1. Grab the touch point 1 to lift the retainer from the chassis.
116
ThinkSystem ST550 Maintenance Manual
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