IBM 7985, Руководство по диагностике и обслуживанию

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7. Turn on all attached devices and the server.
Installing and removing the hard disk drive backplane
The procedure to use for installing or removing the hard disk drive backplane
depends on the server model.
v
For a 3.5-inch-hard disk drive model, see “Removing the 3.5-inch-drive
backplane” and “Installing the 3.5-inch-drive backplane” on page 147.
v For a 2.5-inch hard disk drive model, see “Removing the 2.5-inch-drive
backplane” on page 148 and “Installing the 2.5-inch-drive backplane” on page
149.
Removing the 3.5-inch-drive backplane
To remove the 3.5-inch-drive backplane, complete the following steps.
3.5-inch hot-swap
drive backplane
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 105.
2. Turn off the server and all attached devices.
3. Disconnect all external cables and power cords.
4. Slide the server from the rack and place it on a flat, static-protective surface.
5. Pull all the hard disk drives out of the server slightly to disengage them from
the backplane.
6. Remove the cover (see “Removing the cover” on page 109).
7. Remove the fan-bracket assembly (see “Removing the fan-bracket assembly”
on page 136).
8. Disconnect the backplane cables.
9. Press down on the blue release latches that are on each side of the
hard-disk-drive enclosure. The hard disk drive backplane pops out.
10. Lift the backplane out of the server.
11. If you are instructed to return the backplane, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
146
IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide