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Motherboard Grounding

C

Conner8

Junior Member
My son was given an Amptron 8600 motherboard (mb)which he & I are trying to install in place of an old 486 mb. We seem to be having a grounding problem. It runs when held in air, ie, ungrounded, but we can't get it to boot in the mounted condition. The manual only says "make sure it is properly grounded" which is no help.

Questions - What is the proper way to ground? Is the ground formed by the mounting posts to the bottom of the board; via the screw head from the top of the board to the mounting posts; both; other ??
 
Be careful when you install the motherboard to the case. If the motherboard is not installed correctly, some of the circuit traces on the motherboard can become grounded on the case. Usually the mounting screw centered along the back edge of the motherboard acts as the ground. Suggest you put some fiber washers under the other screw heads that mount the motherboard to the case, or use non-conducting mounting studs (usually nylon) for those screws. That should solve your problem.
 
It sounds like you are not using standoff's under the Motherboard. These are absolutly necessary.
Bleep
 
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