So, I guess you already tried everything eg run with least components,
different known good PS ...
If you also tried the ASUS mobo in other case, and get the mobo works fine
with the same PS, I'd say you should dig a bit deeper.  There is something
wrong with the case, you may look hard to find it.  Based on my experience,
I suggest you try:
1) check all those switch wires from case, you can unplug them all, and try
to turn on the PC by short the two pins (short once only, don't link them)
that marked as power.
2) if all wires turned ok, then make sure you did ground the mobo properly,
most mobos will work (however, it's not the proper way) without ground (to
case), but I did see mobo that won't power on without  ground.
3) if it still doesn't work, make sure there's nothing to short the mobo,
usually at back, check all metal objects (include edge of the case frame),
sometimes, small metal object can be hard to find (sometimes, they are too
small that makes you think they will never cause problems)

4) and last, Static electricity isn't impossible, I still remember one of my
mate had an old PC as workstation (for a while), that every time something
metal touched the case, the PC reboot itself

Jun Qian

----- Original Message -----
From: "John Long" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, November 11, 2002 6:05 PM
Subject: [PCBUILD] Motherboard power


> Hi,
>  I have a A7V333/Pa/Raid/u/139  Asus motherboard. It will not power on.
> I have tested the powersupply with a ATX PS tester all ok. I have tested
the chassis for excess leakage in Uamps with no high results. I Run the PS
with the atx ps tester and all is ok I hook up the Mother board and it runs
for 3 seconds then dies leaving the light on in the right hand corner of the
Motherboard. I have contacted ASUS and they replaced the board. Still the
same thing exists. I have hooked up a IWILL MB and get the same results with
a NEW PS that tests fine with the atx ps tester. I tried a p4t533 by asus
with a p4 2.5 mhz processor same results. I have tried two processors in the
ASUS by AMD, one is a 1900 the other a 1800. I have placed the 1900 in
another computer I built a year ago and no problem with the processor. I
have built many computers but this is really strange. Static electricity?

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