Lenovo ThinkServer RD120 Hardware Maintenance Manual page 128

Removing the 2.5-inch-drive backplane
To remove the 2.5-inch-drive hard disk drive 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 cord and
3. Remove the server from the rack and place it on a flat, static-protective surface.
4. Remove the cover (see "Removing the cover" on page 56).
5. Pull the hard disk drives out of the server slightly to disengage them from the
6. Remove the fan-bracket assembly (see "Removing the fan-bracket assembly"
7. Disconnect the backplane cables.
8. Press the large blue release tabs at the rear of the drive cage toward each
9. If you are instructed to return the backplane, follow all packaging instructions,
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ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual
1
2.5-inch hard disk drive cage assembly
on page 53.
all external cables.
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect power
to the dc power supply. See the documentation that comes with each dc power
supply.
backplane.
on page 60).
other; then, push the drive-cage assembly out through the front of the server.
and use any packaging materials for shipping that are supplied to you.