Re: Questions about a IIgs....

[supertimer@aol.com (Supertimer)]

"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.

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.