Installing Or Replacing A Hot-Swap Redundant Power Supply - Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual

To remove the TPM, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
2. Prepare your server. See "Removing or extending the server from the rack cabinet" on page 61.
3. Remove the server cover. See "Removing the server cover" on page 61.
4. Remove the riser card assembly 2. See "Replacing the riser card" on page 77.
5. Locate the TPM connector on the system board and then lift the installed TPM straight up.
Note: Carefully handle the TPM by its edges.
Figure 84. Removing the TPM
6. If you are instructed to return the old TPM, 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 removal procedure, go to "Completing the parts replacement" on page 165.

Installing or replacing a hot-swap redundant power supply

Attention: Do not open your server or attempt any repair before reading and understanding "Safety information"
on page iii and "Guidelines" on page 59.
The hot-swap redundant power supplies help you avoid significant interruption to the operation of the
system when a power supply fails. You can install or replace a power supply without turning off the server.
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ThinkServer RD450 User Guide and Hardware Maintenance Manual