Pertec Tape Drive Interface Musings

Jon Elson elson at
Tue Aug 4 19:46:55 CDT 2015

On 08/03/2015 10:48 PM, Jon Elson wrote:
> OK, I verified it was indeed made by Pertec.  The title 
> block of the drawings doesn't have anything real obvious, 
> but there is a bunch of legal boilerplate advising the 
> restrictions on use of the drawings, and the last words 
> are "prior written permission of Pertec".
Oh, one other tidbit from the schematics was the original 
pages were drawn in 1970, and some updates went out to 1972 
or so.  No idea how many of these horrors they made.  Tape 
format was 800 BPI NRZI with 80-byte records with no format 
other than tape marks at the end.


More information about the cctech mailing list