[Coco] FD-50x question

[wdg3rd at comcast.net]

TRS-80 Models 1, 2, 3, 4, 12, 16, 6000 could all use up to four floppy drives.  The 4p was limited to its two internal floppies and a 12 or 6000 with a built-in hard drive was limited to one internal and two external floppies using Tandy hardware, but third parties (specifically Bob Snapp) expanded on that.
-- 
Ward Griffiths    wdg3rd at comcast.net

Men will never be free until the last king is strangled with the entrails of the last priest.  Denis Diderot

 -------------- Original message ----------------------
From: farna at att.net
> Tandy yanked the pieces from the drive cable to make drive selection idiot 
> proof. Sounds like that's a Tandy drive -- maybe they did the same on some of 
> their AT compatibles? IBM set both drives to drive 0 then used a twist in the 
> cable for the same reason. IBMs and clones were never intended to use more than 
> two floppy drives. Other than the CoCo, I don't know of any computers that did. 
> You could use more than two with a Commodore, but their serial drives were so 
> slow I don't think it would have been worth the effort.