Re: TK50, was: Re: [TUHS] Ultrix Tape: Block Size?

[Paul Koning via cctalk]

> On Oct 17, 2018, at 10:50 AM, Ethan Dicks via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> On Wed, Oct 17, 2018 at 8:15 AM emanuel stiebler via cctalk
> <cctalk@classiccmp.org> wrote:
>> there were
>> TK50Z as an external drive, on "SCSI"
> 
> I have one - for a MicroVAX 2000.  I rarely used it.
> 
>> TK50 on QBUS with an TQK50 controller which really didn't stream to often
> 
> We had one in the 1980s.  You are right.  It didn't.

I wonder if that was a VAX-specific issue.  It streamed fine on J-11 based 
PDP11 systems running RSTS.  While most VAXen have faster CPUs than PDP-11s, 
that doesn't necessarily carry over to I/O.  

        paul