Re: Alpha 4100 power supply

From: Javier Henderson (javier_at_KJSL.COM)
Date: 01/26/04 

Date: 26 Jan 2004 14:55:27 -0800

Mike Dorn <mrdorn@wavefront.com> writes:

> Keith A. Lewis wrote:
> > Javier Henderson <javier@KJSL.COM> writes in article <86isiy1rte.fsf@skylane.kjsl.com> dated 26 Jan 2004 10:35:25 -0800:
> >
> >>I've laid my hands on an Alpha 4100. Very studly. But, it needs a
> >>power supply. This is purely for personal use, not for business.
> > FWIW, the Alphaserver 4100s I have used have 3 power supply bays but
> > only
> > need 2 working power supplies to function. And they are hot-swappable, so
> > if you have 3 and 1 breaks, you can replace it without taking the system
> > down.
> > So... if you have 0, you need 2. If you have 2, you're set.
> > --Keith Lewis klewis {at} mitre.org
> > The above may not (yet) represent the opinions of my employer.
> A slight correction. Depending on your configuration, you may be able
> to get by with a single supply. The 4100 will hold up to 4
> processors. I beleive you can run up to 2 CPUs on a single power
> supply; you need a second supply when you add a third processor. You
> can have an extra supply for power redundancy, but they are NOT
> hot-swappable. You need to shut down and open the box to replace a
> supply. There is also a special internal cable you need to add
> between the supplies when installing more than one of them.
>
> (Great box, though--very reliable.)

Thanks for the info. The box has zero power supplies, so it looks like
I will need at least one.

The search for a 4100 p/s continues... no idea where to find one though.

-jav

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