Removing A Processor Cartridge Or Termination Board; Optional Cpu Backboard - NEC HV8600 User Manual

Removing a Processor Cartridge or Termination Board

Use the following procedure to remove a processor cartridge or termination
board.
1. Perform steps 1 through 6 of the previous subsection "Installing a Processor
Cartridge."
Note:
wrist strap. Hold processors only by their edges.
2. On the processor or termination card being removed, push in the right end of
the retention arm to release the arm.
3. Pull the retention arm toward you and remove the arm (see Figure 4-13).
4. Open the two card ejectors (one on each side) and pull the cartridge or
termination board straight out to disengage the cartridge or board from the
CPU baseboard (see Figure 4-14).
5. Pull the cartridge or termination board straight out of the retention module.
Place on a grounded, static-free surface or conductive foam pad.
6. Put the old cartridge in conductive foam and store in an antistatic package.
7. Install a new processor cartridge or termination card (see "Installing a
Processor Cartridge"). If not installing a processor, install a termination card
the same way as a cartridge and remove the appropriate VRM module(s).

Optional CPU Backboard

The following sections provide the procedures for installing the optional CPU
backboard. Use these procedures when upgrading to more than four processors.
Processors 1 through 4 are installed on the standard CPU backboard. Processors
5 through 8 are installed on the optional CPU backboard.
To install the optional CPU backboard, perform the following procedures.
1. Power off the system and remove the right side panel as described earlier.
2. Place the optional CPU backboard on a flat clean surface.
3. Perform steps 7 through 13 of the previous subsection "Installing a
Processor Cartridge."
4. Remove the power cable from the terminator board mounted on the
baseboard.
5. Remove the two screws securing the terminator board and remove the
terminator board. (see Figure 4-19).
Note:
Observe static precautions. Use an antistatic
Store the terminator board for future use.
Upgrading Your System 4-25