8" drive support on PC's

[Dwight K. Elvey]

>From: "Randy McLaughlin" <cctalk at randy482.com>
---snip---
>
>Today density select is a general purpose IO pin, originally the 765 used 
>the direction pin as a dual purpose pin.
>
>This dual purpose description is now gone but maybe not the action.
>
>There is no need for TG43 in todays PC's, at least not as far as the 
>manufacturers are concerned.  When the need for a "new" density select line 
>came it was accomplished through a separate IO but was the old reduced 
>current logic removed?
>

Hi Randy
 That is a good question? I would guess that it went the
way of the FM ability. When they were looking for things
to cut, a magnitude comparitor would have sticked out
like a sore thumb.
Dwight