Re: Re: Using an Apple HD 20 on a IIGS

[BARPRI@saif.com (Bart Prine)]

I have tried 4 times to reply to this, lets see if this one makes it:

To get an HD20 to work ANYWHERE in Apple II land I have tried.....

NOTE: I have not tried (nor if I had one WOULD I try) a Superdrive card:

A Liron Card, a Laser128, 128 EX, standard 5.25 card, a PCTransporter card's
disk input (I thought I might be able to format it FAT and use it as a DOS
disk. Tried before and after the transdrive.  nope).  Also tried the Floppy
port on a LC IIe card. Also various clone'ers 5.25 cards such as the Micro
SCI (I have the adapter cable). I have tried formatting the HD20 in ProDOS
via the floppy controller of a IIci or a IIsi then hooking it to IIe's and
IIGS's and to all the previously suggested cards/ machines.  NONE of this
worked for me.  As to the Vtech card,  It is my understanding that it is the
exact same chipset as the floppy controller on a Laser 128 so it looks like
THAT one is out. I have read rumors that the reason the HD20 won't work is
that the actual track/sector of a 5.25 or 3.5 floppy is built on the board
of the controller and that the ONLY controller that might (and here I Stress
"might" because I personally don't have one and have not tired it) is:
...The earliest Liron card controller sometimes called the "Long Liron"...
I have read (and where now I do not remember) that this card did not have
the limitations in its firmare the other cards have.  That is, this card had
a bug.  This bug might be exploitable to thereby read an HD20 but my guess
here is a format of the HD20 on a Mac might be needed previous to trying
this.
  If anyone else  wants to give it a go,  and is willing to swap something
juicy, I have a spare HD20 or 2 I am willing to part with.  
  pilgrimer at syndicom dot com will find me ;)
 -Bart 

Kim Howe is right though:  A SCSI card or the like is a better idea.


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