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Re: Questions about a IIgs....



Supertimer wrote:
> 
> "Marlin Bates, IV" <mbates4@gte.net> wrote:
> 
> >Thanks every one for the assistance.  I did get the System Disks off of Apple
> >and set up a HArd Drive for the IIgs.  I also went about finding a Memory card
> >for the IIgs.  I went the "The ARC" in Tracy (I live fairly close to it) and
> >they sold me a Ornage Micro RAM 4gs.  IT is a 4MB upgrade card.  However,
> >there is a problem.
> >
> >The RAM works FINE if the Fast SCSI Card (Sandwich II) is not installed.
> >However, if I install it and try to boot from a floppy, it locks up as soon as
> >I try to open ANY drive window.  Additionally, if I try to boot fromt he Hard
> >Drive, it errors out in one of two ways Blue Screen and "System Error 3.0.8"
> >or it the progress bar gets all the way to the right and then sits there.
> >
> >I am open to suggestions.  It is, BTW, a ROM 01 machine.  Also, if I go into
> >the "classic" control panels for RAM disk and such, the amount of memeory is
> >accurately displayed.
> >
> >Thanks for the help!
> 
> Marlin, it is a DMA problem.  The Orange Micro RAM card is not DMA
> compatible.  The Apple High Speed SCSI Card (Sandwich II) uses DMA.
> Happily, you can turn off DMA on the SCSI card.  Look for the DIP
> switch on the SCSI card.  Switch 1 controls DMA.  It is normally in
> the CLOSED position, which turns on DMA.  To turn off DMA, move
> the switch to the OPEN position.

Thanks!!

> 
> By the way, switches 2 through 4 control the SCSI card's SCSI ID.
> Make sure the hard drive and the SCSI card don't have the same
> SCSI ID.

Cool.  BTW, I hhave heard talk of a manual available from FTP somewhhere, does
anybody have the address?