<html><head></head><body>You have to fake out (short??) at least one signal on the motherboard connector for the PSU to continue delivering power.<br>
Whether draw on only one rail causes a problem will depend on the internal design. You could hook up a 9V-battery-powered low-voltage alarm to let you know the PSU died if that's a major concern. I'm assuming you aren't going to run out of spare AT PSUs anytime soon ;-).<br>
-Adam<br><br><div class="gmail_quote">On February 15, 2016 3:39:02 PM CST, Trevor Cordes <trevor@tecnopolis.ca> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Is it possible to use a standard AT (old style) computer power supply just <br />for its +5v out? I have a project and I just need 5v with a beefy amount <br />of amps, and I have lots of AT PS's around that would fit the bill, but <br />I'm wondering if running a computer PS just for its 5v line might damage <br />it somehow? There would be no load on the 12v (and other) lines. <br />Anything I should worry about?<br /><br />Thanks!<br /><hr /><br />Roundtable mailing list<br />Roundtable@muug.mb.ca<br /><a href="http://www.muug.mb.ca/mailman/listinfo/roundtable">http://www.muug.mb.ca/mailman/listinfo/roundtable</a><br /></pre></blockquote></div><br>
-- <br>
Sent from my Android device with K-9 Mail. Please excuse my brevity.</body></html>