insulators needed under mobo's mounting screws?

  • Thread starter Thread starter RS
  • Start date Start date
Conor said:
Circuit board layouts are designed so that there is a clear
area around the screwholes so this cannot happen.
Click to expand...

In either an ECS P4S5A2 or K7S5A Pro, I found a copper trace that ran
closer to a screw hole than I wanted (could short if a screw hole
wasn't centered with a screw or post), so I installed a fiber washer
on the top or bottom of the hole.

With my FIC PA-2007 or VA-503+, one of the screw holes near one of the
onboard voltage regulators is surrounded by copper that's at +5.0V on
the right and +3.3V on the left, and a screw could short those two
voltages together, especially if it's a serrated screw.

So I don't understand why you say that circuits are laid out with
enough clearance to prevent shorts like this.
 
So you would put the washer on the underside of the mobo ?, how would
you do that for all of the screws needed need the right sized one i
suppose just enough to cushion the mobo against the case.

Not having done it before :)
 
You could go down to your local hardware store and pick up some thin
white to clear plastic/silicone washers. They are not too expensive.
I have purchased them at Lowes before. some little rubber O-Rings
would work too.
 
I used to go to the hardware and get heavy nylon spacers about ¼" thick
and ½" wide. They had a hole in the middle that was perfect for pressing
what is now called a standoff into the hole. Back then, what is a standoff
now was just a threaded hex connector for like serial cable ports.
In any case they worked great for bracing the motherboard.
You could go down to your local hardware store and pick up some thin
white to clear plastic/silicone washers. They are not too expensive.
I have purchased them at Lowes before. some little rubber O-Rings
would work too.
Click to expand...
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Just a note to say that I finally got around to preceeding somewhat with the
troublesome motherboard situation. I put in a CPU that was covered by the
jumper settings specifically mentioned in the manual ... and lo and behold,
on power up it beeped, checked memory, recognized the CDROM and IDE-Zip
drive ...and looked around for a HDD ... which is not yet installed.

I looked in the BIOS and under Power Management it was indeed set to boot up
automatically after power interuption. After changing that, the power SW on
the front of the case operated normally.

That is as far as I have got so far. I did phone Asus's International
support, got through to someone who said a tech would call back. This has
not happened yet. I want to ask why there is a jumper setting in the manual
for "P2/Celeron 400" with a bus speed of 100MHz. Typo? My Celeron 400 does
not work at that setting ... not surprizingly ...

Thanks !

-RS-
 
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