Lenovo System x3550 M4 Installation And Service Manual page 238

Figure 144. PCI riser-card bracket removal
If you are instructed to return the PCI riser-card bracket, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Replacing the PCI riser-card bracket to the riser card
Use this information to replace the PCI riser-card bracket to the riser card.
Note: PCI riser-card brackets must be installed even if you do not install a riser card.
To install the PCI riser-card bracket to the riser card, complete the following steps:
Step 1. Read the safety information that begins on "Safety" on page v and "Installation guidelines"
on page 31.
Step 2. Turn off the server and peripheral devices and disconnect all power cords.
Step 3. Remove the cover (see "Removing the cover" on page 189).
Step 4. Align the holes on the PCI riser card and the riser-card bracket and install the screws that attach
the PCI riser card to the riser-card bracket.
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System x3550 M4 Installation and Service Guide