[Coco] Re: [Color Computer] Help for transfering Coco disk to PC

[Diego Barizo]

I do read CoCo disk using a 1.2 Mb floppy
I think the best would be getting a small HD on ebay, and installing DOS 
(freedos?) in it.
Then just use RETRIEVE.EXE to read the disks
Good luck,
Diego



> >

> Coco's disks are not going to be readable in a 1.2 meg drive, the

> spindle speed is wrong for starters.  The heads are too narrow for

> problem B, and problem C is the data rate.

>

> Coco disks are only 35 track SS disks unless you were using os9, in

> which case the 720k drives were usable.  The 1.2 meg format uses a

> 500kilobaud data rate, spinning at 360 rpm.  The Coco's used a

> 250kilobaud data rate, with the disk spinning at 300 rpm.

>

> You may be able to jumper that drive for 300 rpm, and the right

> switches in the driver may be able to slow the data rate down, but

> then can it double step that 96 tpi drive to emulate a 48 tpi drive?

>

> Lots of problems and you would be far better off to try to find an old

> 360k drive that would be far less work to make it work.

>

>



Brought to you by the 6809, the 6803 and their cousins! 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/ColorComputer/

<*> To unsubscribe from this group, send an email to:
    ColorComputer-unsubscribe at yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/