> From: der Mouse <mouse@Rodents.Montreal.QC.CA>
> Date: Sun, 9 Mar 2003 01:51:47 -0500 (EST)
> To: port-vax@netbsd.org
> Subject: Re: Observations on NetBSD VAX on old machines.....
> 
> >> You can run three RAM boards?
> > The MVIII upgrade came with a 4 connector cable to run 3 x 8M + CPU
> > for a 24M system (and then 48M with 3 x 16M)
> 
> And that works with a MVII?  That's good news; I would not have
> expected the bus to Just Work with more devices than it's designed for.
> But then, the KA630 dates from the era when DEC overdesigned heavily.
> 
> Would I be correct to assume that it will Just Work to take a piece of
> 50-pin ribbon cable and attach four connectors to it?  Maybe add two
> connectors to a stub SCSI cable swiped from a SPARC?  Or is there
> something magic about the cable itself?  (I note the connectors are
> physically compatible with SCSI 50-pin ribbon cable connectors of the
> old SE flavor....)

Implicit here is that you are using a BA123 box with the backplane
that has 4 CD-interconnect slots.  Not the BA23 with only 3 CD slots.

    carl
-- 
    carl lowenstein         marine physical lab     u.c. san diego
                                                 clowenst@ucsd.edu