[Coco] Re: [Color Computer] Copy protection

Wed Jun 2 13:17:41 EDT 2004

I could NOT get the FD-501 drive to work as drive B on any of 3 
different PCs last night.

1st of all, as it was with a 1.44 floppy on the ribbon cable both 
drives acted as A at the same time.

I cut the line that said DS0 and the FD-501 drive seemed to be acting 
as B just fine however, the A drive was working but would not read 
any disk. The system would try to boot from A but just get a not 
readable error insert system disk or something.

Tonight I'm going to solder back the the DS0 line and take one of the 
old PCs and throw a bootable DOS hdd in it and hook up the FD-501 
drive as a single drive A and see what happens.

Any tips on getting this 180K fd-501 disk to work on a PC?

-Charlie

--- In ColorComputer at yahoogroups.com, "sadolph" <sadolph at m...> wrote:
> 
> What I've found recently is that Anadisk reads the old coco 
formatted disks fine, but 
> when it comes to writing the old format on a new disk, there is a 
dependance on the 
> actual floppy drive.
> 
> When I've tried to replicate disks using an IBM 360K drive, I had 
problems every time.  
> the disks were unusable, and when examined in detail, the final 
sector in the cylinder 
> was corrupted.
> 
> I've since mounted an actual Tandy 180K floppy drive in my PC to 
overcome this.  I use a 
> drive that shipped with my coco FD-501.  That seems to work 
correctly and so far, every 
> time.
> 
> Steve
> 
> 
> 
> On Jun 1 , "Neil Morrison" <neilsmorr at h...> wrote:
> > 
> > <html><body>
> > 
> > 
> > <tt>
> > <BR>
> > You'd need to run a careful analysis of the master floppy first 
and probably<BR>
> > do a special format. The generic 'copy' probably isn't smart 
enough to fix<BR>
> > things. Even then the guy MAY have a cunning protection scheme. 
Some used<BR>
> > two sectors on a track with the same numbers. Others buried stuff 
between<BR>
> > the sectors. You need to find out what the trick was in order to 
make the<BR>
> > copy.<BR>
> > <BR>
> > Neil<BR>
> > <BR>
> > ----- Original Message ----- <BR>
> > From: "Charlie" chazbeenhad at h...<BR>
> > <BR>
> > > Anadisk 2.07 doesnt seem to work right.... V2.06 did copy 
Sundog<BR>
> > > games, but when trying to load them on the COCO3 I would get 
IO<BR>
> > > errors. I can do a DIR and see the files, but when I try to 
load the<BR>
> > > game it either gets stuck (white fire of eternity) or gives 
an IO<BR>
> > > error (Sinistar).<BR>
> > ><BR>
> > > Still no way to copy these old disks :-(<BR>
> > ><BR>
> > > -Charlie<BR>
> > <BR>
> > </tt>
> > 
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