NEC HX4500 User Manual page 92

5. Open the tabs on the cartridge and align the cartridge with the slot so that the heat
sink faces down.
If installing a termination card, align the card so that the embossed logo on the card
faces up.
6. Insert the cartridge into the guide rails of the retention module (see
Figure 4-12) and carefully push into the module until resistance is felt. Check that it
is firmly seated (tabs should be closed).
Figure 4-12. Installing the Processor
7. Reattach the retention arm as follows.
T
Align the end of the retention arm with a single alignment dot to the left and the
end with the two dots to the right. The dots should match corresponding dots on
the cartridge or terminator board.
T
Push the left end of the retention arm into its slot on the on the left side of the
retention module.
T
Turn the retention arm to the right and snap it into place on the right side of the
retention module.
8. Install the required VRM modules (single processor systems come with two VRM
modules installed in VRM sockets 1 and 2). As you add processors, you need to
install additional VRM modules.
T
For a second processor, install a VRM module in socket 3 (for a total of three
VRM modules for two processors).
T
For a third processor, install a VRM module in sockets 4 and 5 (for a total of
five VRM modules for three processors).
T
For a fourth processor, install a VRM module in socket 6 (for a total of six
VRM modules for four processors).
9. Install the clear plastic air duct covering the processors. The air duct is secured to
the chassis by three pins (see Figure 4-9).
Upgrading Your System 4-21