TK50Z-GA and MicroVax 3100/90?

From: Ethan Dicks <erd_6502_at_yahoo.com>
Date: Wed May 22 19:52:13 2002

--- Christopher Smith <csmith_at_amdocs.com> wrote:
> > -----Original Message-----
> > From: Ethan Dicks [mailto:erd_6502_at_yahoo.com]
>
> > Perhaps. Large RD-series drives are somewhat rare these days.
>
> I will say that with a (pretty common) seagate 40M disk, you
> can get a bare install of VMS 5.5 on there...

True. An ST-251 is one of the most common ST-506 drives, due to its
being shipped with the real PC-AT.

> and that's more than enough to drive a tk50 and transfer files to
> other systems over DECNet.

Our production system for a shop of dozens of people used a 67MB disk
(but the swap was on another device).

> Could also netboot it from the other system.

True.
 
> > single memory card over 4MB (and only one ethernet module). The uVAX
>
> Really? I don't believe I've ever seen one without the ethernet module.

I'm sure that Ethernet was standard on the VAXstation 2000. I have at
least one MicroVAX 2000 - it has the DHT32 8-port serial option, but
did not come with Ethernet. It came out of a law office that had
terminals on everyone's desk (I got it when they asked their support
guys how much it would cost to add another 8 terminals - they went
with PC-XTs...)

> Were they sold apart from the systems? I wouldn't expect them to be
> available in most cases apart from a system that was sold as a MicroVAX.

Probably true.
 
> That said, DEC was supposedly very prolific with these systems, and you
> ought to be able to get plenty of parts for them. The extreme
> configurations (color graphics, 8/12[?]MB memory options, etc) are going
> to be more difficult. The median seems to be b&w VAXStation, ethernet,
> 4M RAM option. That kind of thing ought to be pretty easy to find.

Agreed. That is the most common configuration.
 
> Wolfgang Moeller's SCSI drivers for these systems. (Which I've not
> tried yet, but will eventually...

I haven't tried that either. I got it as patches, but not patches
to my version of the ROMs. I got them as a solid block of code to
be split into ROM images, but haven't played the swapping game to
figure out which ROM works in which socket. :-(

-ethan


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Received on Wed May 22 2002 - 19:52:13 BST

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