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Attention:
v A startup (boot) processor must always be installed in socket J22 on the system
v To ensure proper server operation when you install an additional microprocessor,
Complete the following steps to install an additional microprocessor:
1. Read the "Installation guidelines" on page 11.and the safety information
2. Turn off the server and disconnect all power cords and external cables (see
3. Remove the air baffle (see "Removing the air baffle" on page 17).
4. Locate the second microprocessor socket (connector J23) on the system board.
5. Remove the microprocessor baffle.
6. Install a VRM in the VRM connector (J72).
32
xSeries 346 Types 8840 and 1880: Hardware Maintenance Manual and Troubleshooting Guide
VRM
board.
use microprocessors that have the same cache size and type, and the same
clock speed. Microprocessor internal and external clock frequencies must be
identical.
beginning on page Appendix B, "Safety information," on page 117.
"Turning off the server" on page 7); then, remove the server cover (see
"Removing the cover" on page 16).
a. Press the heat-sink release lever to unhook it from the tab on the
microprocessor socket; then, pull the lever up.
b. Slide the microprocessor baffle while lifting the rear flange out of the
heat-sink socket; then, lift it off the heat-sink socket and store it in a safe
place.
Microprocessor
baffle
Heat sink
Microprocessor
Microprocessor-
release lever
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Table of Contents
Troubleshooting
