Lenovo System x3500 M4 Installation And Service Manual page 266

Screw holes
Screws
Figure 169. Rotate backplate assembly away
If you are instructed to return the server component or optional device, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Installing the 3.5-inch hard disk drive backplate assembly
Use this information to install the 3.5-inch hard disk drive backplate assembly.
Read the safety information in "Safety" on page v and "Installation guidelines" on page 35.
If you are replacing a server component in the server, you need to turn off the server and peripheral devices,
and disconnect the power cords and all external cables.
To install a 3.5-inch hard disk drive backplate assembly, complete the following steps.
Step 1. Unlock and remove the left-side cover (see "Removing the left-side cover" on page 184).
Step 2. Open the bezel by pressing the button on the left edge of the bezel, and rotate the left side of the
bezel away from the server.
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System x3500 M4 Installation and Service Guide
Pin hole
Pin
Cage