For Service Technician Only: Replacing The Power Interface Board - Lenovo ThinkServer TD350 User Manual And Hardware Maintenance Manual

• After a system board is replaced, do the following:
1. Start the Setup Utility program by pressing the F1 key, and then check the BIOS and BMC version.
2. Go to http://www.lenovo.com/drivers and follow the instructions on the Web page to download the
latest version of firmware. Then, install the firmware to your server.
3. Update the machine type, model number, and serial number of the system board. Either you will
be prompted to do this while upgrading the BIOS, or you can locate the files for updating the
VPD within the DOS BIOS package. For some servers, the VPD utility is available for download
at: http://www.lenovo.com/drivers.

For service technician only: replacing the power interface board

Attention: This procedure must be performed only by trained service personnel of Lenovo. Do not open your
server or attempt any repair before reading and understanding "Read this first: safety information" on page iii and
"Guidelines" on page 69.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
To replace the power interface board, 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. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server. If
the server is in tower form factor, lay the server on its side for easier operation.
3. Remove the server cover. See "Removing the server cover" on page 72.
4. Remove the cooling shroud. See "Removing the cooling shroud" on page 75.
5. Remove all hot-swap redundant power supplies. See "Installing or replacing a hot-swap redundant
power supply" on page 147.
6. Record the component locations, cable connections, and cable routing in the server.
7. Remove the system board. "For service technician only: replacing the system board" on page 174.
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ThinkServer TD350 User Guide and Hardware Maintenance Manual