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Article #22772

Re: ATX power switch

#22772
From: Tim Puffett
Date: Mon, 08 May 2000 00:00
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In article <slrn8hde30.a1.martin@chiron-s.demon.co.uk>, Martin Smith
<martin@chiron-s.demon.co.uk> writes
>I am having a slight problem with a new case which I
>originally thought just had a bad psu, so I replaced it 
>but an still faced with a deafening silence when switching on.
>The actual switch has six connectors, 2 vertical rows of three,
>testing these with a meter shows that the top 2 of each row
>short when the switch is pressed and go open when it is released
>the bottom 2 are shorted when the switch is normal and go open
>when the switch is pressed, returning to shorted when released,
>I have tried conecting to both pairs but still no result
>
>I have also checked that the mains lead is ok, which it is
>
>Is the above a fair description of the workings of an ATX switch
>unfortunately it seems to be an integral part of the front of
>the case so I cant actually remove it,
>any thoughts on this?
>


Simple test, use the 'reset' switch pair on the power switch connector, does
the same job (momentary, press to make).  If this doesn't fire the board up
you are going to have to look elsewhere for the problem.











-- 
Tim Puffett
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From: Tim Puffett <tim@puffett.demon.co.uk>
Subject: Re: ATX power switch
Date: 2000/05/08
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