Installing The Optional Five To Eight Cpu Upgrade Kit - NEC EXPRESS5800/180Ra-7 User Manual

Installing the Optional Five to Eight CPU
Upgrade Kit
Use the following procedure to install the optional CPU boxes and processor
cartridges.
To install more than four processors in the BSU the processors must be removed
and then two optional CPU boxes (slots 1-8) must be installed in place of the
CPU cage. Processors 1-4 are installed on CPU box 1 and
processors/terminators 5-8 are installed on CPU box 2. Figure 4-15 shows the
configuration for five processor cartridges with associated VRM and three
termination boards installed in CPU box 1 and CPU box 2.
Note:
cartridge installed in the bottom slot of a system baseboard
and termination boards in the remaining slots. Some
systems may have more processors, depending on
configuration. All processors must be matched in speed and
cache size. The processors and VRMs must be installed in
ascending order of the board slot numbers (1 - 8).
A
CPU box 1
Figure 4-15. CPU Box Mounting Order of Processors
1. Observe the safety and ESD precautions listed at the beginning of this
chapter.
2. If tower-based system remove the top cover of the tower cabinet and then go
to step 4. See Removing the Top Cover of the Tower Cabinet earlier in this
chapter.
3. Power off the system. Ensure the power cords are unplugged from the AC
wall outlet.
4. Remove the BSU front bezel and top cover. See Installing/Removing the
BSU Front Bezel and Top Cover earlier in this chapter.
All systems ship with at least a processor
B
A Processor Slots 1-4 (Top to Bottom)
B
VRM Slots 1-4 (Top to Bottom)
C
Processor/Terminator Slots 5-8 (Top to Bottom)
D
VRM Slots 5-8 (Top to Bottom)
C
CPU box 2
Upgrading Your System 4-19
D