IBM xSeries 380, Hardware Maintenance Manual

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Hardware Maintenance Manual: xSer ies 380
7. Place the triple beam into position by lowering it down over the
processors/power pod or the thermal blank.
8. Secure the triple beam into place by first tightening the 14 screws on top of the
beam and then the four thumbscrews on the end of the beam (torque screws to 10-
12 inch-pounds). If available, use torque screwdriver P/N 16F1661 and Phillips
head #2 bit P/N 16F1664.
Important: Tighten the 14 screws according to the recommended sequence
above: first tighten the screws at the 1 position; next tighten the
screws at the 2 position; then tighten the screws at the 3 position; and
finally tighten the screws at the 4 position.
9. If you are installing a thermal blank, skip this step. Otherwise, connect the Y-
cable to each power pod. You might have to loosen the triple beam in order to fit
the cable.
10. Ensure that the plastic latch blocking the opening to the processor is in the open
position. Install the sheet metal baffle into the opening next to the processor side
of the board. Orient the baffle such that the cover faces up and the drop down leg
is placed first into the access hole. Slide the baffle in until the flexible tabs snap
into place. Be sure to close the plastic latch to secure the Processor/Memory
Complex halves.
11. Insert the Processor/Memory Complex into the chassis. See “Processor/memory
complex installation ” on page 179.
Memory boards
Two memory boards reside in the Processor/Memory Complex: one is on top of the
complex and the other underneath. Only a qualified service technician can remove or
install these memory boards.
Note: It is not necessary to populate both memory boards as long as DIMMs reside
in slots 1-4 of at least one board. However, for optimal performance be sure
that both memory boards in the server have the same amounts of the same
type of installed memory.
Memory board removal
Complete the following actions to remove the memory board.
1. Remove the Processor/Memory Complex (see “Processor/memory complex
removal” on page 177).
Note: There are two memory boards in the Processor/Memory Complex. They
are plugged into the top and underside of the processor baseboard. Steps
Power pod
Power pod
Processor 1
Processor 2
2 2 3
3
3
3 2 2
1 1
1 1
4
4