Re: Mac O/S wouldn't recognize a 32 MB ProDOS Partition on a CF card

[Eric Rucker <bhtooefr@gmail.com>]

On Apr 25, 4:09 pm, Mark Frischknecht <appleii...@gmail.com> wrote:
> On 2011-04-25 09:58:06 -0700, AppleCPM said:
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> > Hi, y'all!
>
> >    I move various CF cards between a IIe and a Mac 520c.  The IIe is
> > equipped with a SCSI card connected to a device that accepts CF cards
> > inserted into a PCMCIA adapter.  The 520c runs the "IIe" emulator and
> > can accept the PCMCIA adapter.  Among my collection of CF cards is one
> > with a 32 MB capacity that has one 32 MB partition that I use to boot
> > the IIe.  I inserted the PCMCIA adapter containing that 32 MB CF card
> > into the 520c and was shocked to see that I was being asked if I
> > wanted to format the CF card.  The shock wasn't too bad because I had
> > a backup of the CF card.  I was relieved to find that the IIe found
> > the partition on the CF card to be OK.  So, why did the O/S on the
> > 520c not recognize the CF card?  This problem was solved by storing
> > binary zeros in to the last two bytes of the first block of the CF
> > card.  Those two bytes were originally $55AA.  I'm guessing that two
> > bytes had that value because the CF card was originally formatted as
> > an MS/DOS volume and that whatever program I used to format the CF
> > card as a ProDOS volume left those two bytes unchanged.
>
> > Willi
>
> IIRC there really isn't a partition table on CF cards formatted in a
> CFFA and similar cards
> --
> Close this world. txen eht nepO                                        
>                                 |    
> Mark Frischknecht

However, the SCSI cards tended to use Apple Partition Map, I thought.
So, the question is, what SCSI card is this?