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Removing the 3.5-inch hot-swap hard disk drive backplane
To remove the 3.5-inch hot-swap hard disk drive backplane from both the upper and
bottom 3.5-inch disk drive cages, complete the following steps.
1. Read the safety information that begins on page viiand "Installation guidelines"
on page 149.
2. Turn off the server and all attached devices; then, disconnect all power cords
and external cables.
3. Unlock and remove the left-side cover (see "Removing the left-side cover" on
page 181).
4. Open the bezel.
5. Remove the fan cage assembly (see "Removing the fan cage assembly" on
page 243).
6. Remove the hot-swap hard disk drives that are installed in the hard disk drive
cage (see "Removing a 3.5-inch hot-swap hard disk drive" on page 190).
7. Remove the power supply or power supplies from the power-supply cage (see
"Removing a hot-swap power supply" on page 273).
8. Rotate the power-supply cage assembly out of the chassis. Lift up the
power-supply cage handle and pull the power-supply cage assembly all the
way up until the retainer latch locks the cage in place on the chassis.
Chapter 5. Removing and replacing server components
257
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