Simplex 4100 Series Installation Instructions Manual page 14

Installing Motherboards into 2975-94xx Back Boxes (4100U)
Overview
The NIC card can be mounted to either 2975-91xx Master Controller Bays (4100) or, for the
4100U, 2975-94xx CPU Bays. This section describes mounting into 4100U CPU Bays.
Installing into a
Up to two motherboards may be installed with the system CPU in the CPU bay. In most cases,
2975-94xx CPU Bay
the NIC is used with the CPU motherboard. If this is the case, you can skip this section. If you
installing an additional motherboard that uses the NIC, follow the directions below.
1.
2.
3.
J1
Orient the motherboard with the connector labeled J1 on the right and the header labeled
P1 on the left.
Slide the motherboard to the right until the pins from P1 on the motherboard to the right
are completely inserted in the motherboard's J1 connector.
Attach four lockwashers and metal standoffs to the chassis, and secure the motherboard
to the chassis using four #6 screws.
Slide the motherboard to the right until P1 on the first
motherboard connects with J1 on the next one.
P1
Figure 8. Installing the Motherboard into a 4100U CPU Bay
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CPU
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