Step 13. Install the fan cage assembly (see “Installing the fan cage assembly” on page 274).
Step 14. Install the air baffle (see “Installing the air baffle” on page 190).
Step 15. Install the bezel (see “Installing the bezel” on page 187).
Step 16. Install and lock the left-side cover (see “Installing the left-side cover” on page 185).
If you have replaced a server component or installed an optional device in the server, you need to reconnect
the power cords and all external cables, and turn on the server and peripheral devices.
Removing the 2.5-inch hard disk drive backplane
Use this information to remove the 2.5-inch hard disk drive backplane.
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 remove a 2.5-inch hard disk drive backplane, 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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Release button
Figure 160. Open bezel
Step 3.
Remove the 2.5-inch hot-swap hard disk drives (see “Removing a 2.5-inch hot-swap hard disk
drive” on page 199).
Step 4.
Remove the air baffle (see “Removing the air baffle” on page 189).
Step 5.
Remove the fan cage assembly (see “Removing the fan cage assembly” on page 272).
Step 6.
Note where the power, signal, and configuration cables are connected to the 2.5-inch hard disk
drive backplane; then, disconnect them (see “Internal cable routing and connectors” on page 312).
Step 7.
Lift the retention latches that hold the backplane in place; then, grasp the top edge of the
backplane and rotate it toward the rear of the server. When the backplane is clear of the drive-cage
retention tabs, remove it from the server.
Removing and replacing components
245
Summary of Contents for System x3500 M4
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