Tom on Fri, 17 Jan 2003 11:07:24 -0500 |
Paul, The PS_ON# line is non-latching. The latching effect in a PC comes from the ic that drives the line. This allows for the soft off function in the OS. Tom On Friday 17 January 2003 10:13, Paul wrote: > >you can use a switch to provide PS_ON# (the ground to pin 14) to > >turn on the supply. After rereading the spec I relized the PS_ON# signal > > is supposed to be debounced by the power supply so hooking a switch by > > itself should be okay. In addition pin 11 should be tied to Pins 1 & 2 > > (it's a > > Does the power supply *latch* as well as debounce? I'll have to try it. > If a momentary switch is used, which is what ATX cases use, the power > supply will only stay on while the switch is being pressed. > > >etc.) you need the min loads on the +5V & +3.3V outputs to prevent the > > supply from burning out a component & to prevent whatever is attached > > from burning out a component. > > So, two resistors would be needed? One for the 5V line and another for > the 3.3V line? > > I'll have to look at one of those ATX testers up close. They look like > they only use two wires. > > _________________________________________________________________________ > Philadelphia Linux Users Group -- http://www.phillylinux.org > Announcements - http://lists.netisland.net/mailman/listinfo/plug-announce > General Discussion -- http://lists.netisland.net/mailman/listinfo/plug _________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.netisland.net/mailman/listinfo/plug-announce General Discussion -- http://lists.netisland.net/mailman/listinfo/plug
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