[Coco] drive hastles

[Arthur Flexser]

If all you want to do is boot OS-9 from an 80-track disk, you don't need to do
anything to Ext. ADOS-3.  It will get all the necessary information from the
lower-numbered tracks, which it sees fine.  To get Extended ADOS-3 to work
properly under Basic with an 80-track drive, you'd need to re-burn your EPROM,
since the relevant routine is (I think, tho I'm not 100% certain) switched in
from ROM, not run out of RAM, so pokes won't work.  If you still have the
original Ext. ADOS-3 disk, the instructions are in the config program.  A
possible work-around would be to continue to use your system as 40 tracks
under Basic and use the full 80-track capacity only under OS-9.  

Art

On Mon, 5 Jun 2006, Chester A. Patterson wrote:

> Hi,
> 
> My three 5.25" floppies went belly up (I/O error) Another 5 that I bought at
> junk stores don't work. Didn't really expect them to work, desperation I
> guess. One original 3.5" 720k and several 1.44M appear fine. ALL my OS9 boot
> disks are 5.25" 35 and 40 track. Fortunately I have most of my system files
> on 3.5". I hope they read OK!
> 
> How do I poke Extended ADOS3 to work with 80 tracks? Then I must somehow
> make a 3.5" OS9 boot disk, boot up, make my ST-225 bootable again, and
> continue with life working exclusively with 3.5" floppies. I'm trying to get
> my rig up and running smoothly after over 12 years and problems just keep
> getting in the way!
> 
> Thanks for help and suggestions!
> 
> /Chet
> Costa Rica
> 
> 
> 
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