Douglas A. Gwyn wrote:

> Carl Lowenstein wrote:
>
>> ../ to have one RK05 disk drive and two 9-track Kennedy tape drives.
>> The excessive number of tape drives was due to its intended use as a
>> data acquisition system.

>
>
> That's hardly excessive -- you need two drives just to
> make copies of magtapes. (In principle one could do
> that with just one, a la MS-DOS COPYA of floppy on a
> machine with 1MB or less of RAM, but in practice that
> would be too tedious.)
>
>> Under the influence of a week at DOS school in Maynard, I wrote a
>> standalone program equivalent to DEC's "ROLLIN" which would write a
>> bootable copy of itself on the tape, followed by an image of the RK05.

>
>
> That's a point -- if there is a version of ROLLIN that
> has drivers for the RL01/2, the fellow could use it to
> make the backup images he seeks.
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I don't believe ROLLIN ever had drivers newer than the RK05.
We used it in DEC FE training to dupe RK05 diag packs -- but
I never heard of anyone using it on RL's. RK's were pretty easy to
program standalone -- but RL's were more of a bitch -- no implied
seek etc...

Bill
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