Replacing The Pci Adapter Guide; Removing The Sas Backplane - IBM System x3800 Problem Determination And Service Manual

5. Remove all adapters and adapter dividers, and place the adapters on a
6. Turn the blue quarter-turn fasteners to release the PCI adapter guide.
7. Lift the guide out of the server.
8. If you are instructed to return the PCI adapter guide, follow all packaging

Replacing the PCI adapter guide

To install the replacement PCI adapter guide, complete the following steps:
1. Align the two tabs on the PCI adapter guide with the two slots on the chassis.
2. Set the guide firmly into place and turn the quarter-turn fasteners to secure the
3. Reconnect the cables that pass through the PCI adapter guide and route the
4. Install the adapters and dividers. When replacing the dividers, make sure that
5. Lower the retaining bar.
6. Install the top cover and lock the front cover (tower model only) (see "Replacing
7. Connect the cables and power cords (see "Connecting the cables" on page 116
8. Turn on all attached devices and the server.

Removing the SAS backplane

To remove the Serial Attached SCSI (SAS) backplane, complete the following steps.
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Remove the front cover (tower model only), top cover, and bezel (see
4. Pull the hard disk drives out of the server.
static-protective surface.
Note: You might find it helpful to note where each adapter is installed before
removing the adapters.
instructions, and use any packaging materials for shipping that are supplied to
you.
guide.
cables through the routing feature of the guide.
the tabs on the bottom of the dividers rest in the holes in the bottom of the
metal section of the guide and the tabs on the top of the dividers engage the
plastic retainer section of the guide.
the top cover, bezel, and front cover" on page 119).
for cabling instructions).
on page 113.
all external cables necessary to replace the device.
"Removing the top cover, bezel, and front cover" on page 117).
Chapter 4. Removing and replacing server components
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