IBM System x3950, Руководство по диагностике и обслуживанию

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1. Read the safety information that begins on page vii and “Installation guidelines”
on page 117.
2. Turn off the server and peripheral devices, and disconnect the power cords and
all external cables necessary to replace the device.
3. Remove the top cover (see “Top cover and bezel” on page 131).
4. Pull the hard disk drives out of the server slightly to disengage them from the
SAS backplane.
5. Note where the SAS cables are connected, and then disconnect the two SAS
cables from the SAS backplane.
6. Squeeze the two blue release tabs.
7. Lift the SAS backplane out of the server slightly; then, disconnect the power
cable and remove the backplane.
8. If you are instructed to return the SAS backplane, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
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
blue tabs secure the backplane.
4. Reconnect the SAS cables to the backplane.
5. Install the top cover (see “Top cover and bezel” on page 131).
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 120
for cabling instructions).
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:
Release
button
Chapter 4. Removing and replacing server components
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