Removing And Replacing Frus; Front-Panel Assembly - IBM System x3950 Type 8878 Service Manual

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 top cover (see "Top cover and bezel" on page 45).
4. Pull the hard disk drives out of the server slightly to disengage them from the
5. Note where the SAS cables are connected, and then disconnect the two SAS
6. Squeeze the two blue release tabs.
7. Lift the SAS backplane out of the server slightly; then, disconnect the power
8. If you are instructed to return the SAS backplane, follow all packaging
To install the replacement SAS backplane, complete the following steps:
1. Connect the power cable to the replacement backplane.
2. Slide the backplane into the card guides.
3. Align the slots in the backplane with the guide tabs; then, press firmly until the
4. Reconnect the SAS cables to the backplane.
5. Install the top cover (see "Top cover and bezel" on page 45).
6. Slide the server into the rack.
7. Replace the hard disk drives.
8. Connect the cables and power cords (see "Connecting the cables" on page 34
9. Turn on all attached devices and the server.

Removing and replacing FRUs

FRUs must be installed only by trained service technicians.

Front-panel assembly

To remove the front-panel assembly, complete the following steps:
on page 31.
all external cables necessary to replace the device.
SAS backplane.
cables from the SAS backplane.
cable and remove the backplane.
instructions, and use any packaging materials for shipping that are supplied to
you.
blue tabs secure the backplane.
for cabling instructions).
Release
button
Chapter 4. Removing and replacing server components
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