RE: UP2000+ Problems

Just going over the "UP2000 Technical Reference Manual" and on page 2-3 (aka
19 of 91) it states "AUX ATX (Optional) Power Connector for 3.3v (6 pin)".
Will L G

> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of jmd
> Sent: Monday, February 22, 2010 04:13
> To: Linux on Alpha processors
> Subject: Re: UP2000+ Problems
> 
> Jon...
> 
> the only power supply i have here is a 300W. hardly powerful enough to
> power even 1 cpu on that board. i did read the power requirements in
> the
> user manual. if i were going to buy one i would sink $50 or more in it,
> plus i would have to obtain an adapter for the J28 connector. with tax
> and shipping, i would guess $80 or more.
> 
> another consideration is the cheaper power supplies are usually atx for
> a tower configuration. i have the powerrac server enclosure. the
> configuration is a bit different. including setting jumpers for
> tower/server configurations.
> 
> as matt mentioned, a couple of people in the alpha IRC channel thought
> of the power supply, but others had mentioned possibly buggy firmware.
> that being the cheapest route was what i wanted to address first.
> 
> i am doing as much testing as i can, without spending a lot of money,
> before i put it up on ebay for sale.
> 
> thanks for your input...
> 
> jeff
> 
> 
> 
> On Mon, 2010-02-22 at 09:14 -0700, Dialup Jon Norstog wrote:
> > Jeff,
> >
> > I was able to run a UP2000+ 2x667 and full load of RAM off an Enermax
> 450W
> > power supply, the quiet model.  That was with a single SCSI hard
> drive and a
> > CDROM.  It was barely enough rated power but that particular PSU must
> have a
> > little reserve capacity.
> >
> > If you have a comparable PSU you might try using it to test your
> board.  Just
> > a thought.
> >
> > jn
> >
> >
> > ---------- Original Message -----------
> > From: jmd <[email protected]>
> > To: Linux on Alpha processors <[email protected]>
> > Sent: Fri, 19 Feb 2010 13:08:06 -0800
> > Subject: Re: UP2000+ Problems
> >
> > > On Fri, 2010-02-19 at 15:41 -0500, Matt Turner wrote:
> > >
> > > >
> > > > If the problem persists with a working power supply, then we
> might
> > > > consider that the CPUs or motherboard are somehow faulty. The
> CPUs
> > > > were run with a higher (read: wrong) voltage for a non-trivial
> amount
> > > > of time after all.
> > > >
> > > > Matt Turner
> > >
> > > i should have stated i am not interested in investing any money in
> this
> > > board. good power supplies are not cheap.
> > >
> > > thanks
> > > jeff duncan
> > >
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