[HECnet] RT-11 filesystems, was Re: DECnet-RT?

[Dave McGuire]

  We have a TA11 drive set at LSSM, but we are still looking for a
controller.

             -Dave

On 3/31/20 4:40 PM, Clem Cole wrote:
> Dave the TA11 (DEC proprietary Phillps Cassettes) were 150 ft long.   I
> just looked in my 1976 Peripherals Handbook -- Tape capacity of 92,000
> bytes (not kbytes mind you).   Two tapes per TA11; one for the OS and
> the other the user.   We had a couple at CMU on 11/20's running RT-11 in
> the EE Digital lab for the RT system's course - in fact, the famous
> "110v non-maskable interrupt" occurred on one of those machines
> 
> On Tue, Mar 31, 2020 at 3:14 PM Dave McGuire <mcguire at neurotica.com
> <mailto:mcguire at neurotica.com>> wrote:
> 
>     On 3/31/20 2:33 PM, Thomas DeBellis wrote:
>     > 32MB really was ginormous back in the day; our labs had RT on RK05's,
>     > which held about 2.5MB.  Way more than a DECtape.
> 
>       When I started out, I had it on RL01s.  But I suspect you have a few
>     years on me. ;)  That was quite a bit of space at the time.
> 
>                 -Dave
> 
>     -- 
>     Dave McGuire, AK4HZ
>     New Kensington, PA
> 


-- 
Dave McGuire, AK4HZ
New Kensington, PA