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SCDS3A-261B Chassis Manual
5-5
Installing the I/O Shield and Motherboard
The SCDS3A-261B supports a micro ATX motherboard, which is sold separately
and comes with an I/O shield specific to the motherboard.
I/O Shield
Figure 5-5. I/O Shield Placement
I/O Shield
An I/O shield holds the motherboard ports in place. Install the I/O shield before you
install the motherboard.
Installing the I/O Shield
1. Review the documentation that came with the motherboard. Become familiar
with component placement, requirements, and safety precautions.
2. Power down the system and remove the power cord from the rear of the
power supply as described in Section 5-2 and remove the chassis cover as
described in Section 5-3.
3. With the illustrations facing the outside of the chassis, slide the shield into the
space provided.
4. Once installed, the motherboard will hold the I/O shield in place.
Permanent Motherboard Standoffs
The SCDS3A-261B provides permanent motherboard standoffs molded into the
chassis floor. These standoffs prevent short circuits by creating space between the
motherboard and the chassis surface.
5-6
Chapter 5: Chassis Setup and Maintenance
Motherboard Installation
Installing the Motherboard
1. Review the documentation that came with your motherboard. Become familiar
with component placement, requirements, precautions, and cable connec-
tions.
2. Power down the system and remove the power cord from the rear of the
power supply as described in Section 5-2 and remove the chassis cover as
described in Section 5-3.
3. Lay the motherboard in the chassis.
4. Secure the motherboard to the chassis using the rounded, Phillips head
screws provided. Do not exceed eight inch-pounds of torque when tightening
the motherboard.
5. Secure the CPU(s), heatsinks, and other components to the motherboard as
described in the motherboard documentation.
6. Connect the cables between the motherboard and the power supply.
7. Connect the cables between the motherboard and the front panel. If using a
board other than one provided by Supermicro it will be necessary to purchase
adapter MCP-220-73202-0N. Visit the Supermicro website at
supermicro.com.
8. Plug the power cord into the rear of the power supply, replace the chassis
cover and power up the system.
Figure 5-6. Installing the Motherboard
5-7
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