RL02 to PC image

Glen Slick glen.slick at gmail.com
Fri Dec 15 12:40:34 CST 2017

On Fri, Dec 15, 2017 at 10:34 AM, Ethan Dicks via cctalk
<cctalk at classiccmp.org> wrote:
> On Fri, Dec 15, 2017 at 9:38 AM, systems_glitch
> <systems.glitch at gmail.com> wrote:
>> vtserver does indeed work for transferring RL02 contents to a binary image,
>> suitable for use with SIMH or E11 or whatever.
> Yep.  I backed up the RD52 in a new-to-me MicroPDP-11 and it took hours.
>> Be advised, it takes a *long*
>> time, even on a 11/73 with the serial port turned up to 38400 bps.
> Has anyone done any console serial port hacking for speed on Qbus or
> Unibus?  On something integrated like a KDF11-B it might not be so
> easy, but maybe a DLV11J or a DL11W?
> I'd think hitting 115200 would be really sweet, if everything can keep
> up.  Totally worth some experimentation to see what part gives out at
> ludicrous speed.
> -ethan

My method of creating images of several RL02 disks was to set up a
PDP-11 system running 2.11BSD with an RL02 controller and Ethernet
interface, then 'dd' the disks to image files on the local system and
then FTP the image files out to a modern system. Still seemed slow,
but not as slow as a serial port connection.

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