HP LH4r HP Netserver LH 3/LH 3r Processor Upgrade Guide - Page 21
Installing a New Voltage Regulator Module
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Chapter 1 Processor Module Installation Installing a New Voltage Regulator Module One voltage regulator module (VRM) must be installed for each processor module installed. If only one processor module is installed, a VRM must be installed in the primary (lower) VRM socket. To install a new VRM: 1. Orient the new VRM as shown in Figure 1-13. 2. Holding the new VRM as shown, press it firmly into the VRM socket on the processor board. Be sure to press only on the thin edge of the main VRM board when inserting the VRM into the socket. CAUTION When installing the new VRM, push only on the edge of the main VRM board (see Figure 1-13). Do not push on the large flat surface (if your VRM model has one) or any components on the board. Pushing on any part of the VRM except the edge of the main board may result in damage to the VRM. Damage caused by improper installation is not covered by any HP warranty. 3. Verify that the VRM is installed completely in the socket. When the VRM is installed completely, the release latches (see Figure 1-13) at the ends of the socket will be closed. CAUTION Do not push in on the VRM release latches; the release latches will close automatically when the VRM is installed completely. If the VRM is not installed completely, pushing in on release latches may damage the latches, the socket, or the VRM. 17