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For Service Technician Only: Replacing The Power Interface Board - Lenovo ThinkServer TD350 70DG User Manual And Hardware Maintenance Manual

Machine types: 70dg, 70dh, 70dj, 70dk, 70dl, 70dm, 70dn, and 70dq user guide.
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b. Position the microprocessor socket cover above the microprocessor socket so that the small triangle
on the socket cover faces the small triangle
press the socket cover straight down into the socket until it snaps into position.
Figure 128. Installing the microprocessor socket cover
23. Install all parts that you have removed and connect all cables to the new system board. Refer to the
information that you have recorded and the related topics in Chapter 6 "Replacing hardware" on page 63.
24. If you are instructed to return the old system 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 164.
• 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 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

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 "Safety information" on page iii and "Guidelines" on page 63.
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 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 66.
4. Remove the cooling shroud. See "Removing the cooling shroud" on page 69.
ThinkServer TD350 User Guide and Hardware Maintenance Manual
on the microprocessor retainer. Then, carefully


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