The first step in setting up an ST2 is to mount the motherboard. The ST2 in this application is shipped with a universal motherboard mounting plate. This plate has clearance holes for #6 machine screws. Use these holes to attach standoffs to support the motherboard. The universal mounting plate has the combined holes from the ATX, mini-ATX, micro-ATX, BTX, and some propritary motherboards.
When installing standoffs make sure that there is no chance that the metal from a standoff will touch a trace on the backside of the motherboard.
Make sure the underside of the processor socket is supported. This is the most important step in mounting a motherboard in this application as it is very different from a typical application. YOU MUST INSTALL A PROCESSOR SUPPORT BLOCK UNDER THE MOTHERBOARD. If a support block is not installed, the ST2 actuator will bend the motherboard. This place stress on the surrounding BGA parts and may damage traces on the motherboard.
After the appropriate locations for standoffs have been chosen the motherboard has been test-fitted, the mount plate must be attached to the support frame. Attaching the mount plate is accomplished in five steps.
- Center motherboard
- Adjust frame feet
- Trial mount plate
- Fine tune mount plate
- Attach plate
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