Lenovo System x3300 M4 Installation And Service Manual page 256

Machine type: 7382
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Replacing a 3.5-inch disk drive backplane
Use this information to replace a 3.5-inch disk drive backplane.
To replace the 3.5-inch disk drive backplane, complete the following steps:
Step 1.
Read the safety information that begins in "Safety" on page v and "Installation guidelines" on
page 163.
Step 2.
Turn off the server (see "Turning off the server" on page 24) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables as necessary to replace the device.
Step 3.
Disconnect all external cables and power cords.
Step 4.
Open the bezel from the release point on the left edge of the bezel, and rotate the left side of the
bezel away from the server.
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System x3300 M4 Installation and Service Guide

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