18 Sep
2007
18 Sep
'07
12:50 a.m.
On Monday 17 September 2007 18:57, Tony Duell wrote:
I have a Cromemco "System 3" (?). It also has a Persci drive in it, a dual.
Is that what yours is?
There's apparently some sort of a problem with mine, as the floppy which was
in it when I got it had been tried so much and for so long that the initial
tracks were completely worn away, and you could see through it.
On perusing the service data for it, I notice that the drive uses a bunch of
_incandescent_ light bulbs for things like index sensor, etc. I would
imagine that one or more of these is likely to be the problem.
I'd deferred working on it because you can't do much with it in the computer
case, and I needed to make some sort of extension for the power cable to the
drive, which was a rather odd connector...
Nice machine, in that the S-100 card cage pulls out like a drawer. Too bad
it's not working.
--
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
When I think
about it, the MITS 8800 had connector punchouts for DB25
*only* in the back panel. DB25 seemed to be the lingua franca back
then for hobbyist interfaces. If one had an 8" floppy drive, one ran
the ribbon cable right through the crack between the back panel and
the case cover directly to the controller card(s). No DD50s.
I have an S100 amchine called a CASU Super C. It contains a Cromemco CPU
board, some other stnadard 64K RAM bvoard, a Micromation Doubler disk
controller and CASU-designed boot ROM and seiral interface boards.
The disk drive (a Persci) is in a separate box. The 50 wire interface
cable is split down the middle adn connected to a pair of DB25s...