[Coco] Re: [Color Computer] Copy protection
sadolph
sadolph at magma.ca
Thu Jun 3 00:25:59 EDT 2004
There is a resistor network that needs to be uninstalled, on the b drive I believe.
Also, you have to jumper the drive to be drive b. there are usually markings that identify which jumper it needs to be.
If you keep having trouble, look here
www.istop.com/~sadolph
and download dvi_sm.pdf
That has technical information on the floppy in the FD-501. check that out for the detail.
I can only tell you that I got mine to work with no real problems. Good luck.
Steve
----- Original Message -----
From: Charlie
To: ColorComputer at yahoogroups.com
Sent: Wednesday, June 02, 2004 1:17 PM
Subject: Re: [Color Computer] Copy protection
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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