[rescue] Multipack Power Supply pin-out?

[Jonathan Katz]

Mine only had space for six drives. Same PSU from what I could tell.

On Wed, 23 Aug 2017 at 21:38, Peter Stokes <peter at ashlyn.co.uk> wrote:

> Hi Mike
>
> The big tell tale on the original is that it had twice as many lights on
> the
> front of the unit.
>
> Peter
>
> Sent from my iPad
>
> On 23 Aug 2017, at 21:34, Mike Spooner <mike.spooner.ux at gmail.com> wrote:
>
> >>> On 23/08/17 06:16 AM, Jonathan Katz wrote:
> >>> All,
> >>>
> >>> I'm repurposing an old 1st gen Multipack as a case/setup for a cluster
> >>> of Raspberry Pi systems. I'd like to reuse the Multipack's power
> >>> supply to power the Pis & an ethernet switch I wish to mount inside.
> >>> To do this I need the pinout of the power supply. Does anyone have
> >>> this? Worst case I can break out a multimeter, but I figure someone
> >>> may have this.
> >>>
> >>> This is the original Sun doc on the product, so there isn't much
> >> confusion.
> >>>
> >>> https://docs.oracle.com/cd/E19957-01/805-1667-10/805-1667-10.pdf
> >>
> >> According to section 7.1 of that document, the power supply part number
> >> is 300-1330.  Pinouts for that can be found on-line in the Field
> >> Engineers Handbook:
> >>
> >> http://www.shrubbery.net/~heas/sun-feh-2_1/Devices/DC_
> >> Power/DCPOWER_FDK_1330_185W.html
> >>
> >>
> > Careful with the term "original" - the *original* Multipack is a 12-bay
> > 12-disk Fast-Wide-SCSI unit
> > (recognisable from the inside by the presence of 12 SCA connectors on the
> > backplane),
> > where as the Multipack-2 (ref the above-posted link to Sun doc) is a
> 6-bay
> > 6-disk UltraSCSI unit.
> >
> > The confusion arises because they both use the same chassis and both
> have a
> > pair of 68-pin SCSI connectors
> > on the back. From the outside, they are often indistiguishable (some
> > Multipack-2 cases had an "UltraSCSI" badge
> > on the front, but many *didn't*). In fact, the Multipack-2 has all 12
> > "spud-mounting-rails" internally, in spite of
> > having only 6 SCA connectors on the backplane).
> >
> > There is a chance that both models use the same spec/pinout of PSU, but
> you
> > should check the documents for
> > the *original* 12-bay/12-disk Multipack to make sure. I suppose that even
> > if the pinout voltages are the same, the
> > load-rating on the separate rails may well be different.
> >
> > Take care out there!
> >
> > -- Mike Spooner
> >
> >
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-- 
-Jon
+44 7792 149029