**Re: Grandfather system RTE6/VM?

From: ed sharpe <esharpe_at_uswest.net>
Date: Mon Nov 24 11:20:04 2003

2883 and the slave was 2884 was what we ran on the system we had

ed sharpe archivist for smecc
----- Original Message -----
From: Mike Gemeny <MGemeny_at_pgcps.org>
To: <cctalk_at_classiccmp.org>
Sent: Sunday, November 23, 2003 7:38 PM
Subject: Grandfather system RTE6/VM?


> I wrote:
>
>
>
> >The largest real Access system I ever owned/ran had 1 7920 and 3 7900s.
> What
> > is that, about 47MB. So two 2883s at about 25 MB each would just over
the
> >largest real system I ever ran.
>
>
>
> Frank McConnell wrote:
>
>
>
> >Hmm? A 7920 is 50MB, unless maybe TSB had trouble with that many bits on
> >one device.
>
>
>
> Yep, as I recall it was the limit of the ADT (Available Disk Table). I
want
> to say that the ADT was swapped in and out of core on a per-drive-basis as
> needed. But the core allocated was only big enough to hold 32MEG worth of
> available disk bits (per drive).
>
>
>
> So, 3*5=15, 15+32=47
>
>
>
> I?m just going on memory on all of this, and that?s been 20 years ago now.
> Feel free to chime in here if my memory is not serving well enough.
>
>
>
> Mike Gemeny.
>
>
>
>
>
>
Received on Mon Nov 24 2003 - 11:20:04 GMT