Why wont the power stay on?

Correct me if I’m wrong, but I thought that all ATX mobo’s required a
momentary contact (push switch) for the power switch, and that latching
switches went out with AT mobo’s.
I’ve had to connect a jumper across the mobo pins for the power putton
and use the mains switch to turn the computer on and off (makes a
mockery of APM .
Could this be a fault with the mobo or do I just live with it?
Has anyone else had this problem, and if so what can I do.
Thanks…

On Mon, 13 Oct 2003 15:55:21 +0100, david wrote:

 > Correct me if I’m wrong, but I thought that all ATX mobo’s required a
 > momentary contact (push switch) for the power switch, and that latching
 > switches went out with AT mobo’s.

You are correct.

 > I’ve had to connect a jumper across the mobo pins for the power putton
 > and use the mains switch to turn the computer on and off (makes a
 > mockery of APM .
 > Could this be a fault with the mobo or do I just live with it?
 > Has anyone else had this problem, and if so what can I do.

Momentary on/off has a locking circuit somewhere. Hadn't looked but I
always assumed it was in the PSU, but now I'm not sure. It could be on the
MB. And after thinking about it for a minute that would make sense since
some AT/ATX compatible MB's have a jumper to select for an AT or ATX PSU.

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