IBM 7378, Problem Determination And Service Manual

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Installing the 3.5-inch hard disk drive backplane
To install the 3.5-inch hard disk drive backplane on both the upper and bottom
3.5-inch disk drive cages, complete the following steps.
1. Insert the bottom tabs of the 3.5–inch hard disk drive backplane onto the lower
lip of the drive cage.
2. Rotate the backplane toward the drive cage until it locks in place in the
retention tab of the spring-release latch on the drive cage.
3. Reconnect the power, configuration, and signal cables to the 3.5-inch hard disk
drive backplane. For more information, see Internal cable routing and
connectors.
4. Install the hot-swap hard disk drives that were removed from the hard disk
drive cage (see “Installing a 3.5-inch hot-swap hard disk drive” on page 192).
5. Install the fan cage assembly (see “Installing the fan cage assembly” on page
244).
6. Install the air baffle (see “Installing the air baffle” on page 213).
7. Rotate the power-supply cage assembly back into the server. Press the
power-supply cage release tab and rotate the power-supply cage assembly
into the chassis.
Chapter 5. Removing and replacing server components
259