[Coco] 3.5" Drive Variable in the NitrOS-9 Module Header

Bruce W. Calkins brucewcalkins at charter.net
Sun Jan 27 14:37:08 EST 2013


Yes Bill, I have done what you describe.  And as I said they were unstable. 
I got a few transfers that worked, but it was a PITA overall.

Bruce W.

==============

----- Original Message ----- 
From: "Bill Pierce"

>
> Bruce,
> The only purpose behind this was a temp fix due to the fact my PC drive 
> wouldn't read the 720k disks (or drives) properly. And yes, there were 
> many reformats and recopies, but it worked to get the files to the PC. The 
> originals were still intact on 720k disks. I think it also depends on how 
> new the drive is as well. The newer 720ks (at the time) had less errors 
> and the older 1.44megs errored less as well. At the time I had about 20 
> 3.5 drives from various old IBMs and Packard Bells. Some 720k and some 
> 1.44meg. Some worked, some didn't. This wasn't meant to assume a norm, but 
> a quick temp fix when nothing else worked.
>
> Bill P
>
> Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Bill Pierce
> ooogalapasooo at aol.com
>
>
>
>
> -----Original Message-----
> From: Bruce W. Calkins <brucewcalkins at charter.net>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Sun, Jan 27, 2013 2:07 pm
> Subject: Re: [Coco] 3.5" Drive Variable in the NitrOS-9 Module Header
>
>
> ----- Original Message ----- 
> From: "Bill Pierce"
>
>> Also, to use a 3.5" 1.44m disk as 720k, you could cover the "HD" id hole
>> on the disk and the drive would recognize the disk as 720k. The hole was
>> opposite of the write protect slider. I used the old write protect
>> stickers from 5.25" disks for this. If the disk had been "factory
>> formatted" for IBM, most times you needed to use a bulk eraser to clear
>> the disk because the drive eraser wasn't strong enough to erase those
>> "factory formatted" disks.
>>
>> Bill P
>
>
> I tried this and they were unstable.
>
> Bruce W.
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
>
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco 




More information about the Coco mailing list