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6-10 Installing the Motherboard
Compatible Motherboards
For the most up-to-date information on compatible motherboards and other parts,
visit the Supermicro Web site at www.supermicro.com.
Permanent and Optional Standoffs
Standoffs prevent short circuits by creating space between the motherboard and the
fl oor of the node. The SCF424AS chassis includes permanent standoffs in locations
used by most motherboards. These standoffs use the rounded Phillips head screws
included in the chassis accessories packaging.
Some motherboards require additional screws for heatsinks, general components
and/or non-standard security. Optional standoffs are used for these motherboards.
To use an optional standoff, compare the mounting holes in the motherboard with
those in the fl oor of the motherboard node. Then place a screw through the bottom
the node and secure the screw with a hexagonal nut (rounded side up).
Depending upon the confi guration of the motherboard being used, it is also possible
that some of the optional standoffs which are pre-installed in the chassis, may need
to be removed. Add or remove standoffs as needed.
Installing the Motherboard
1. Review the documentation that came with your motherboard. Become familiar
with component placement, requirements, cautions, and cable connections.
2. Power down the system and remove the power cord from the rear of the
power supply as described in Section 6-3. Remove the node from the chassis
as described in Section 6-4 and place the node on a fl at, stable surface.
Remove the cover from the node as described in Section 6-6.
3. Compare the holes in the motherboard with those in the fl oor of the node,
then add or remove standoffs as needed.
4. Secure the motherboard to the fl oor of the node tray using the rounded,
Phillips head screws included for this purpose. Do not exceed eight pounds of
torque when tightening down the motherboard.
5. Install the expansion card associated with the motherboard if the chassis is a
hot-swappable version. Refer to the next section for instructions on installing
the expansion card
6. Secure the CPU(s), heatsinks, and other components to the motherboard as
described in the motherboard documentation.
Chapter 6: Advanced Chassis Setup
6-15
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