9 Jan
2006
9 Jan
'06
8:39 p.m.
On Monday 09 January 2006 09:13 pm, Tom Jennings wrote:
On Jan 9, 2006, at 4:05 PM, Roy J. Tellason wrote:
Well, if you'd like to... there's enough information. It's just a
bunch of parallel lines with control and status, then a dual-flag
ssytem, to transfer data (eg. DMA handshake) that will go slow, but I
imagine too slow you'd underrun the drive.
I did an interface to a 1/2" 7-track tape drive aeons ago on a SWTP
6800 (833KHz CPU!) using two parallel ports. Slow, non-standard, but
it was my main data storage device for a few years.
Hmm. If I'm gonna pursue something like that I might as well go for some more
flexibility...
* I'm
reducing my Data General Nova/4 to one rack. 'Must go' are a
D.G. 6xxx vacuum column tape drive (or two) in good working order;
Wow, those'd be nifty. I wonder how hard they'd be to interface
to something
else? What bpi will the ones mentioned do?
800 only
If you actually want them you'll have to drive to Los Angeles --
Not gonna happen any time soon, I'm afraid, even if I do have a truck
that'll handle it. Finances just won't permit it...
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin