Replacing The Hot-Swap Hard Disk Drive Backplane - Lenovo 70AL Maintenance Manual

7. Position the new power conversion board into the chassis so that the three retention posts
chassis pass through the corresponding holes in the power conversion board. Then, slide the new
power conversion board to the rear of the chassis until the power conversion board is securely seated.
Ensure that the screw hole in the new power conversion board is aligned with the mounting stud
the chassis. Then, install the screw to secure the new power conversion board in place.
Note: Use only screws provided by Lenovo.
Figure 68. Installing the power conversion board
8. Refer to your note to connect the power cables to the new power conversion board.
9. If you are instructed to return the old power conversion board, follow all packaging instructions and
use any packaging materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 149.

Replacing the hot-swap hard disk drive backplane

Attention: Do not open your server or attempt any repair before reading and understanding "Safety information"
on page iii and "Guidelines" on page 65.
This topic provides instructions on how to replace the hot-swap hard disk drive backplane. This topic applies
only to server models that have hot-swap hard disk drives installed.
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ThinkServer TS440 Hardware Maintenance Manual
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