[Coco] Determining OS-9 Floppy Type

George's Coco Address yahoo at dvdplayersonly.com
Sun May 27 14:23:51 EDT 2007


----- Original Message ----- 
From: "Phill Harvey-Smith"

> George's Coco Address wrote:
>>> From OS9 I use free. The capacity tells me what format that disk is 
>>> using.
>
> Though that will work in most cases, it will have no way of difirentiating 
> between a DS40 and an SS80 disk as both will have 1440 sectors....
>
> Sides Tracks Sectors
> 1 40 720
> 2 40 1440
> 1 80 1440
> 2 80 2880
>
> Of course for most people this won't be a problem as they would not be 
> likley to have disks of both formats, but something worth bearing in mind.
>
> Cheers.
>
> Phill.

Wow! Was there an 80 track single sided disk drive? I never heard of it. I 
suppose there are other combinations that could be confusing also.
Hadn't thought of that.


George 





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