stepping machanism of Apple Disk ][ drive (was Re: Heatkit 51/4

From: allisonp_at_world.std.com <(allisonp_at_world.std.com)>
Date: Mon Apr 12 15:14:22 1999

> Is that a typo for 3001, or do you really mean 3201? If the latter, what

It was a typo. That two bit slice was somewahat different in general
structure than the 6701/2901.

> was this chip? Bit slice chipsets are rather interesting to play with
> (I've done a little with the 2900 series) -- it's a pity that none
> (AFAIK) are still in production.
>
What about the 29000 (29116) ? I happen to have two of the 16bit micros
(29116)..

Still the 74181 and 74189 parts are common enough for experimentors.


Allison
Received on Mon Apr 12 1999 - 15:14:22 BST