If a hole is surrounded by clean solder, don't use the washers. The
solder ring is there for grounding. If a hole has no solder ring, it would
be a good idea to use washers in case PCB tracks pass close to the hole.
I've never met a motherboard that actually *needed* them, though.

        Regards
        Angus
> >Hello all,
> >The question I am about to ask may seem pretty elementary to some of you
> >but I cannot sem to find an answer from any other resource. When mounting
> >a motherboard, as you know there are several holes for placing the
> >mounting screws. Around each hole is a solder coating. When should the
> >little red plastic washers be used and when not. Does the procedure
> >differ from AT to ATX? I have an ATX Gigabyte GA5AX512 Mobo which I have
> >mounted using the red plastic washers on all screws with no problems.
> >Some info on this would be helpful. The manual says nothing about it. I
> >have also searched "Upgrading and Repairing PC's" and "Tom's Hardware
> >Guide" Web site with no luck. Thanks.
> >
> >
> >Paul Sprague
> >___________________________________________________________________
> >>

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