HP rp8420 HP 9000 rp8420 Server - User Service Guide, Fifth Edition - Page 139
Removing and Replacing a Central Processing Unit, Removing the Processor,
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2. Using the DIMM installer tool shown in Figure 6-29, press downward evenly to seat the DIMM into the memory slot. Figure 6-29 DIMM Installation Tool 3. Position the cover over the cell board and gently press the corners to snap the cover in place. 4. Tighten the four captive screws to secure the cover to the cell board. 5. Replace the cell board into the chassis. See "Replacing a Cell Board" (page 120). 6. Replace the side cover. See "Removing and Replacing Covers" (page 104). 7. Verify proper operation by booting to BCH and using the IN ME command to verify that all of the DIMM modules are allocated. Removing and Replacing a Central Processing Unit The central processing units (CPUs) are located on the cell boards. Removing the Processor 1. Prepare an ESD safe work surface large enough to accommodate the cell board. Use a grounded mat and an anti-static wrist strap, such as those included in the ESD Field Service Kit (HP P/N/ A3024-80004). 2. Identify the partition and cell board, where the processor resides, that is to be removed. 3. Remove the cell board. See "Removing the Cell Board" (page 118) and Appendix E "Operating System Boot and Shutdown". 4. Position the cell board on the ESD-safe work surface with the backplane connectors facing toward you. 5. Loosen the four captive screws that secure the DIMM cover. 6. Lift the DIMM cover away from the cell board. Removing and Replacing a Central Processing Unit 139