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SC721 Chassis Manual
5-7
Installing the I/O Shield and Motherboard
The SC721 supports a wide range of Mini-ITX motherboards, which are sold sepa-
rately and come with an I/O shield specific to the motherboard. The motherboard and
the I/O shield are housed in a removable tray, located on the rear of the chassis.
Figure 5-7. Removing the Rear Tray from the Chassis
I/O Shield and Motherboard Installation
An I/O shield holds the motherboard ports in place. Install the I/O shield before you
install the motherboard.
Removing the Rear Tray
1. Review the documentation that came with the motherboard. Become familiar
with component placement, requirements, and safety precautions.
2. Power down the system and unplug the power cord from the power supply
as described in Section 5-2, then remove the chassis cover as described in
Section 5-3.
3. Remove the three screws securing the rear tray to the rear of the chassis and
set them aside for later use.
4. Pull the rear tray out from the chassis.
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4
5-8
Chapter 5: Chassis Setup and Maintenance
Installing the Motherboard and I/O Shield
1. With the illustrations facing the outside of the chassis, insert the motherboard
ports through the openings in the I/O shield.
2. Slide the I/O shield into the opening in the rear of the chassis.
3. Once installed, the motherboard will hold the I/O shield in place.
4. Slide the tray back into the rear of the chassis.
5. Plug the power cord into the rear of the power supply and power up the
system.
Motherboard
Figure 5-8. Installing the Motherboard and I/O Shield into the Rear Tray
Figure 5-9. Motherboard and I/O Shield Installed in the Rear Tray
5-9
I/O Shield
Opening in the
Chassis
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2
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