13
Use the following procedure when installing motherboards in an expansion bay. Start with the
second slot from the left and fill to the right.
1. Orient the motherboard with the connector labeled J1 on the right and the header labeled P1
on the left.
2. Attach four metal threaded standoffs and lockwashers into the screw holes on the chassis.
3. Secure the motherboard to the standoffs using four #6 torx screws as shown in Figure 8.
Figure 8. Installing the Motherboard in a 4100U Expansion Bay
4. If you are installing the leftmost motherboard, connect a 733-525 Power and
Communication Harness. Continue to the next topic to connect the harness.
Continued on next page
Installing Motherboards into 2975-94xx Back Boxes (4100U),
Continued
Installing into a
2975-94xx
Expansion Bay
(
continued
)
#6 SCREWS
LOCKWASHERS
METAL
STANDOFFS
SCREW HOLES
SCREW HOLES