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Re: A neat trick!



Nearly a year ago Tony Kavadias wrote:
 
>Message : #3327783    From: Tony Kavadias
>Address : tkav@allgfx.agi.oz.au
>Subject : Re: A neat trick!
>
>Msg-ID: <1992Apr29.002418.24531@allgfx.agi.oz.au>
>Posted: 29 Apr 92 00:24:18 GMT
>
>Org.  : All Graphic Industries R+D
>
>Well!  What a cool experiment!  I managed to connect:
>
>        A Macintosh IIsi (with an internal Apple HD 40SC)
>running System          7.0.1
>        An Apple IIGS (with an Apple SCSI Card Rev C) running
>System 6.0
>        An AppleCD SC Plus
>and     An external Apple HD 80SC
>
>all on one SCSI chain!  And it all works!  Beautifully!  Both
>machines can simultaneously access the CD-ROM drive, and hard
>disks, in their respective disk formats.
>
>I formatted my external HD with a 32MB ProDOS partition (and the
>rest
>Macintosh) and both systems have no problems sharing the hard
>disk!  (You'll need to take your hard disk over to an LC with a
>IIe Card installed, and use the Apple IIe Card software v2.0 to
>do prepare it - that's what I did.)  It's great!  And with the
>MPW-IIGS C environment I'm running now, it's amazing how I'm
>able to work on by Mac, and still use my IIGS whenever my Mac is
>compiling!
>
>I love it!
>
>The only thing you have to note is two things... the SCSI ID of
>the Apple II SCSI Card, and the fact that if one CPU is using a
>device, the other CPU has to wait until it finishes using it
>until it can start using the device it wants to use.  (Remember,
>the SCSI bus is just that - a bus, and both machines cannot use
>the bus at one time.)
>
>Now I'm thinking of beginning a project to write software ends
>for both
>machines, so I can transfer data from one machine to the other
>via the SCSI bus.
>Give me a few months, and I'll see how it goes!  If I can do
>this, I can make by setup a very productive one!  (It'll be
>great for sending compiled 65C816 binaries from MPW-IIGS over to
>the IIGS in one swift hit.)
>
>I'm amazed at what I can do with my Apple II!  I guess it all
>wouldn't be possible if I couldn't be able to change the SCSI ID of my
>SCSI card!
>
>----
>
>Which leads me to a question...
>
>Does anyone with an Apple High Speed SCSI Card know if I can
>change the SCSI ID of that card too?  If I can, I think I should
>try to get that card to speed things up at the IIGS end.
>
>Many thanks.
>
>        Tony Kavadias
>        Internet: tkav@allgfx.agi.oz.au
 
Has there been a follow up on this?

--
Herbert Fung              herbertf@ersys.edmonton.ab.ca