[Coco] [Color Computer] Re: 3.5" drives on coco 3

[Phill Harvey-Smith]

Darren A wrote:
> On 9/29/08, Phill Harvey-Smith <afra at aurigae.demon.co.uk> wrote:
>> The gotya with the CPC/PCW/+3 machines (and the Amiga IIRC), is that
>> they need a ready signal on pin 34 of the drive, which most moden drives
>> do not supply, though often it seems you can get away with just
>> grounding the line....
>>
>> The CoCo/Dragon and most other retro machines that I have used do not
>> seem to have this problem, though I do seem to remember something odd
>> about Atari STs....
>>
> 
> The CoCo and Dragon do not have this problem because the controllers
> have the FDC's READY pin connected to +5V rather than to the floppy
> cable connector.

That is indeed true, I'd actually never thought to check :)

>			 You can't get a NOT READY status with these
> controllers.

Unless the controler/board/IC socket is faulty of course :)

Cheers.

Phill.

-- 
Phill Harvey-Smith, Programmer, Hardware hacker, and general eccentric !

"You can twist perceptions, but reality won't budge" -- Rush.