DECMate II

From: Ethan Dicks <dickset_at_amanda.spole.gov>
Date: Thu Aug 12 21:36:38 2004

On Thu, Aug 12, 2004 at 06:50:23PM -0700, Rich Bramante wrote:
> > I made a nice little collection of software by
> > copying the ones at
> >
> http://www.ibiblio.org/pub/academic/computer-science/history/pdp-8/diskimages/rx50/teledisk/
>
> Woo hoo. Thanks for the pointer. It's so much more
> interesting with software :-)

Yep.
 
> Machine seems to be in pretty good shape except for
> some dead keys.

That's just a standard LK201... borrow one from a Rainbow, a Pro 3xx,
a VT220, VT240... They aren't as easy to find as they used to be, but
a replacement shouldn't be expensive.

> Anyone want to field an OS278 question? For a DIR how
> do I specify the 2nd drive (0 vs 1)?

In general, OS/8 (OS/278) devices are 4 chars... 2 chars for driver name,
one for controller letter, and one for device number... With the exception
of the RL01 driver (RL8A, and perhaps the one for the DECmate I)*, it's of
the form 'DDcu:', so depending on the name of the driver for the RX50, it
might be RXA1: I just can't remember off the top of my head what the driver
is named. RESORC will help you out. Since my DECmate II has an RD31 in it,
I've never given one a spin with dual RX50, so I'm not sure if your second
unit will show up as, say RXA2: and RXA3:, or RXB0: and RXB1: Perhaps there's
someone here who knows. Hour for hour, nearly all of my OS/8 experience is
with OMNIBUS machines (but I'm rapidly building lots of time with my
SBC-6120).

-ethan

* For perfectly logical reasons, even though it breaks with convention, the
RL01 units are RL0A:, RL0B:, RL0C: for the three partitions of the pack in
drive unit 0.

-- 
Ethan Dicks, A-130-S      Current South Pole Weather at 13-Aug-2004 02:20 Z
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Ethan.Dicks_at_amanda.spole.gov     http://penguincentral.com/penguincentral.html
Received on Thu Aug 12 2004 - 21:36:38 BST

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