Re: Replace AS200 power supply with ATX?
Emil Skoeldberg <emil.skoldberg <at> nuigalway.ie>
2007-11-07 17:02:42 GMT
On Tue, Nov 06, 2007 at 09:09:17PM -0000, Skoldberg, Emil wrote:
> >>Have you verified that the PSU powers up OK on its own? ATX supplies
> >>are, in my experience at least, generally willing to power up with zero
> >>load; just ground the "please power on" line. (This, again in my
> >>experience, is a green wire going to the 2x10 connector, in the middle
> >>of a bunch of grounds (black) on one side. It is a lighter (thinner)
> >>wire than most of the wires to that connector.) Conveniently, there
> >>are a bunch of grounds right next to it, so just a piece of wire bent
> >>to fit between two adjacent pins should do the trick. Always has for
> >>me, at any rate. :)
> >Yes, I just now checked this: the PSU does indeed power up when PS_ON
> >is grounded, I'll see what happens when I try to connect to the motherboard
> >with the grounding in place.
> What happens when trying to power up the computer with the above grounding
> is that the PSU powers on and the speaker beeps the pattern 3 + 2 + 3;
> however I do not get any output on serial port or display. Hm.
And now when rtfm'ing I see that on page 4-9 in the "Digital AlphaStation
200 Series User information" we have a table of Error Beep codes! Will
poke around a bit more when I get home.