Re: IIgs Floppy for the IIc ?

[dempson@actrix.gen.nz (David Empson)]

Wayne Stewart <waynes@intergate.ca> wrote:

> David Empson wrote:
> 
> > Two points I feel I should add:
> >
> > - A displayed value of 3 or 4 means that the machine has the firmware
> > version which supports the memory expansion connector, but this doesn't
> > guarantee that the connector is there.  It is possible to install either
> > of these firmware versions in an older logic board, which would not have
> > the memory expansion connector.  This is an unusual situation, so it is
> > most likely that you do have the connector.
> 
> Interesting idea, would there be an advantages to doing this "upgrade" from
> a IIc that could already ude a 3.5" UniDisk?

The only advantage which occurs to me would be any bug fixes which may
have been included in the later firmware versions.  I know that version
4 fixes bugs from version 3, but I don't know whether any of these bugs
affect earlier versions.

My main reason for mentioning this was because many years ago I posted a
similar answer to yours in explanation of the IIc firmware revisions,
and someone else said that they had a IIc with the original logic board
but revision 3 or 4 firmware.  I forget why they had this unusual
configuration.

> > - If you have an Apple IIc+, PRINT PEEK(64447) will display a 5.  The
> > Apple IIc+ _does_ support the A9M0106 (Apple 3.5 Drive).  The IIc+ has
> > the equivalent of one of these drives built in, and will support one
> > externally.
> 
> Yes but if he had a IIc+ the 3.5" drive would have worked and he wouldn't
> have been asking about the drive.

Sure - I was only mentioning it for completeness.