when I was at dec, we used the term "bus loads module" to mean the
terminator.
I am still, after all these years, not familiar enough with Qbus to know
if that is the exact terminalogy or not!
we also had a boot loader for Unibus and omnibus.
bob
Paul Thompson wrote:
> 
> I would agree that the CPU and IO boards are particular to the machine,
> but my memory seems to be standard ECC memory for MicroVax 3xxx.
> 
> This is my config:
> 
> CPU   M7636
> IO    M7635
> MS650 M7622-A x 2
> CXY08 M3119-YA
> TQK70 M7559-00
> TERM? M9060-YA
> 
> I assume the M9060 is the QBUS terminator, although the literature I have
> describes it as a "Load module".
> 
> I have a 12-29258-01 DSSI Terminator on an external R215F cabinet.
> 
> The literature I have describes your M9715-AA as Q-BUS PADDLE CARDS.
> I am not sure what that means.
> 
> Your KZQSA is quite a desirable item :-)
> 
> Paul
> 
> On Mon, 6 Sep 1999, Simon Burge wrote:
> 
> > Paul Thompson wrote:
> >
> > > My 5400 has standard MS650-BA memory boards.
> >
> > What about I/O boards?  I've never seen a 5400, but a minimal
> > configuation for a 5500 is a CPU board, an I/O board, a memory
> > board and some sort of bus-termination board that is pretty bare.
> >
> > Here's the boards that I know of:
> >
> >       CPU             M7637 (part 50-19845-01)
> >       I/O board       M7638 (part 50-20145-01)
> >       Memory board    M7639 (part 50-20152-01)
> >       KZQSA           M5976 (part 50-20359-01)
> >       CXY08           M3119 (part 50-18096-01)
> >       ??? board       M9715
> >       Chassis         220QH-D9
> >
> > By the part numbers, I'd guess that the CPU, I/O and memory boards are
> > pecular to the 5500.  The "??? board" has a bunch of resistors and not
> > much else on it - I'd guess it's a discrete (!) SCSI or DSSI terminator.
> > The KZQSA and CXY08 should be usuable by any Qbus machines, right?  Do
> > any of the other board numbers mean anything to vax people?
> >
> > Simon.
> >