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Attaching a motherboard

Should insulating fibre washers be used either under the screw heads or between motherboard and case when attaching the motherboard?

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Amoht
Asked:
Amoht
2 Solutions
 
gnsadminCommented:
Mostly they were used under the screws (between the screw "head" and the motherboard)
although most of vendors do not use them at all
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compfixer101Commented:
no, just the metal standoffs that bridge the gap between the case and the motherboard

the parts that the screws touch are isolated and are not connected to anything
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AmohtAuthor Commented:
There are 8 small dots of solder around the motherboard screw holes on either side of the board. the screw heads will come in contact with these as will the case standoffs. Do these metal dots represent part of the circuitry?

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nobusCommented:
the motherboard manual should instruct you how to mount the board, with washers or not; but as said, mostly they are not used.
they do not make part of the circuitry; the only thing can be a shielding, or grounding function.
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