Are unnecessary motherboards standoffs bad?

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harveym4662

Oct 18, 2018
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I've been designing a custom computer case, so need to learn everything about static electricity. I am currently focused on the standoffs and the motherboard screws. I need the motherboard to be suspended in the abosolute center of the case, so I was thinking just using long standoffs to pull it off. But, I was just told on the trustworthy internet that standoffs can cause problems. Who here knows their electricity?
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Standoffs have NOTHING to do with electricity, other than to keep the parts of the motherboard that may carry a charge from touching ground. They are not there to "ground" the motherboard to the case, or for any other reason. ALL they are there for is to keep the motherboard rigid and keep the traces on the backside from making contact with ground.

When designing your case, be sure you already have the motherboard, use a sharpie or other marking device to PRECISELY mark the spots for all standoff holes in the motherboard and ONLY put standoffs in those spots. Having standoffs where they are not required will likely short the board out and ruin it.
 
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harveym4662

Oct 18, 2018
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Ok, so standoffs can't really be modified for recreational use. How would I go about suspending the MOBO in the center of the case then? I dont want there to be anything directly underneath or above the MOBO
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Ok, I guess I wasn't clear enough the first time, so lets try this again.

If you lay the motherboard on the sheet metal, ANY sheet metal, where you want to mount it, and use a sharpie or other marking device such as a scribe point or pencil to precisely mark the standoff hole locations on the sheet metal by putting the tip of the marking device through the hole and making a mark.

Then, you will need to drill holes where those marks are. You will need to drill the holes exactly one size smaller than the actual size you need. You will need to obtain a thread tap of the same size and thread pitch as the threads on the bottoms of the standoffs. You will need to tap the holes you drilled using the taps and then thread the standoffs into the newly tapped holes.

Then you can lay the motherboard on top of the standoffs and screw in the motherboard mounting screws through the holes in the motherboard and into the standoffs.

If that is not understandable then I suggest that perhaps this phase of the project might be better farmed out to a fabrication shop or possibly a sheet metal or HVAC service person who could certainly do that part for you.
 
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