[Coco] Issues with NitrOS9 build

Bob Devries devries.bob at gmail.com
Sun Jan 26 03:03:51 EST 2014


One more comment on the 3.5" vs 5.25" situation:

If I bring an image to my coco3, and copy it to a floppy, I can't then 
backup that floppy with my now existing NitrOS9 system without hacking the 
descriptors.

Why was this change made? I believe that the original OS9 used DNS=03 and 
TYP=20 for 720K drives.

Regards, Bob Devries
Dalby, QLD, Australia

----- Original Message ----- 
From: "Tormod Volden" <lists.tormod at gmail.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Sunday, January 26, 2014 5:42 PM
Subject: Re: [Coco] Issues with NitrOS9 build


> On Sun, Jan 26, 2014 at 7:15 AM, Bob Devries wrote:
>>> Gene explained (in detail) here on the list why no Coco >disk should use
>>> DNS=3 except maybe the 5.25 80trk >720k disks(??).
>>
>>
>> Which is *exactly* what I'm using, and always have. I only very rarely 
>> use
>> 3.5" disks, and in fact don't have such a drive connected now.
>
> Bob, sorry for repeating myself, but did you try the JVC header I
> suggested to you? I haven't seen your answer to this.
>
> Tormod
>
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