Re: Now the fun begins...

[Frank Carney <frankc@cyberhighway.net>]

Supertimer wrote:

> jmholmes@swbell.net (John) wrote:
>
> >Ok, finally after 3 weeks I finally am up and running with a fully functional
> >//GS running System 6.0.1 with an Apple HD20SC Hard Drive.
> >
> >Obviously, this 20 meg hard drive is not going to work for TOO terribly long
> >as the main hard drive on that system (space constraints being the most
> >obvious problem)...
> >
> >I've seen several SCSI Hard Drives in the 200-400 meg range on ebay that all
> >say that they have apple ROMS.  I do remember from my Macintosh days that
> >those were the ones to get since you couldn't use the Apple HD Format Utility
> >(or something to that effect) if you didn't have the Apple ROM.
> >
> >Does this same limitation apply to the //GS systems or can you just go get any
>
> >old SCSI hard drive and expect it to work correctly (assuming the drive is
> >functional).  I do have a couple of extra external SCSI drive boxes laying
> >around from my old Mac Plus, though the drives in them are dead.
> >
> >Looking forward to hearing from the experts!
>
> For the IIGS itself, you can use any old SCSI Hard Drive.  The IIGS'
> equivalent of the Apple Drive Setup utility for the Mac is the
> Advanced Disk Utilities program.  Partitioning for the IIGS is easy
> and works on any SCSI drive.  Even Zip and Jazz drives.  HOWEVER,
> if you format any partition as an HFS volume, Advanced Disk
> Utilities checks for an Apple ROM in the drive.  If it is present, it
> installs an Apple Macintosh SCSI driver in an invisible driver
> partition on the drive so that any HFS partitions you make will
> appear to both the IIGS and the Mac.  This way, you can share
> data between IIGS and Macs by using the hard drive as a transfer
> device.  If the Apple ROM is NOT present, Advanced Disk Utilities
> will inform you that it didn't install the Mac SCSI driver so the
> HFS partitions won't be usable on Macs.  HOWEVER, the HFS
> partitions remain usable on the IIGS!
>
> BUT, if you DO have a Mac, you DO want to be able to share
> data between Macs and IIGS, so what to do?  There is a
> freeware program called GenEx that actually extracts the
> Apple Mac driver from inside Advanced Disk Utilities and
> renames it as a "generic" driver.  Once you put this driver in
> the IIGS' drivers folder, Advanced Disk Utilities will install it
> into HFS partitions regardless of whether an Apple ROM is
> present or not in the drive.
>
> So, the short answer is that no, the limitation does not apply
> to the IIGS.  In fact, you can use the IIGS to format HFS
> hard drives for the Mac to circumvent the limitations Apple
> incorporated into the Mac's own drive setup software.  ;-)

Okay, does this mean I cannot use any old SCSI drive with the Mac?  What about the
SE?  I have want to put an internal SCSI in the Mac SE.  What will I need to do to
get it to work?  I do not have a SCSI card for the IIgs.