[Coco] Coco 3 & 3.5" drive data transfer problems

Darren A. darccml at hotmail.com
Fri Aug 3 16:36:42 EDT 2007


>I need some help. I have searched the mail list archive and google but have 
>had no luck.
>
>I have connected a 1.44 MB 3.5" drive to my CoCo 3 using the controller 
>that came with the FD 500. On the CoCo end I can format the disk, read and 
>write to it. (I am using 720K 3.5" ds dd disks).
>
>It's the PC end that is giving me trouble. I can not get the PC to read or 
>write to the disks after they have been formatted on the coco. Also I can 
>not get the coco to work with the disks after I format them on the PC.
>
>I have tried the VCC emulator with it using the 3.5" as a coco drive ( I 
>have the Windows XP floppy driver it requires loaded).
>
>I also had no luck in booting to DOS (Not DOS mode but true DOS) and using 
>the dskini & port utilities by Jeff V.
>
>I also have a utility on my Atari ST that allows me to manually set sides, 
>sectors, tracks and tracks per sectors using it's 720K 3.5" drive. I tried 
>and doing 1 side 35 tracks (0 to 34) and 18 sectors per track. The coco 
>would not read that disk.
>
>Anyone have a step by step instruction set on how I can get files from the 
>PC to my Coco 3 via 3.5" drive? Do I need to format the disks in OS-9?
>
>My 2nd option is to use the serial port via a null modem cable which I 
>have. The only thing I don't have is a terminal program for the coco.
>
>Thanks for reading
>
>Derek
>
>--

One more program you may want to try on your PC is:

http://www.coco3.com/users/DarrenA/CoCoDisk.zip

Darren

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