[rescue] challenge L backplane

Sheldon T. Hall shel at cmhcsys.com
Fri May 7 15:32:36 CDT 2004


 Shawn Wallbridge said ...
> shawn
>
> On 7-May-04, at 1:59 PM, Sheldon T. Hall wrote:
> > Geoff Koehler writes ...
> >>
> >> In a nutshell, a deskside onyx backplane will support up to IR
> >> graphics, but only has a slot for 1 CPU board (up to 4CPU's), and 1
> >> MC3
> >> board (2 G??).  The Challenge L backplane has no graphics support, but
> >> has more memory and CPU slots.
> >
> > Heh.  The Challenge L can't take enough CPU or memory boards to suit
> > me as
> > it is.  The doco says you can get 8-way memory interleaving if you
> > have four
> > memory boards, but the L only has room for three.  On the other hand,
> > it you
> > can have something like 15 or 20 SCSI busses....
> >
> > I'd swap my Challenge L backplane for one with more eBUS slots and
> > fewer VME
> > slots, but the Onyx backplane is the wrong direction.
>
> It sounds like you want a Challenge XL ;-)

Well, yeah, but I really don't have the room, the power, or the budget for
one.

-Shel



More information about the rescue mailing list