Re: Applied Engineering GS RAM

[Gary Gouriluk <gvgouril@ilos.net>]

Thank you , Wayne. When I bought the ROM 3 it had the card in it. I was having
the odd crash and trashing of files and I first thought it was the transwarp,
then I thought it was the Ramfast SCSI, but it was just the GS RAM. Thanks for
the info.

Gary


Wayne Stewart wrote:

> Gary Gouriluk  wrote
> > I have an Applied Engineering GS RAM expansion card that gives me 3200K,
> > according to the Finder, when I put it in my ROM 3 IIgs.
> >
> > When I run a memory test (Bit Banger), it says bad memory at $1E0100. A
> > different memory test says the problem is at $100000 (less specific?).
> > Which chip would be the problem? Can I use chips from an Apple Memory
> > Expansion card to replace it?
> >
> > It seems to me, because this GS Ram has 6 banks of 8 chips and the Apple
> > card has 4 banks of 8 chips, that the GS Ram is really 1.5 megs and the
> > finder doesn't know it. Anybody know what's up with that?
>
> The problem is the GS-RAM is incompatible with the ROM 3. It'll work just
> fine in a ROM 0 or 1 though. A number of AE memory cards needed different
> PALs or GALs for use in a ROM 3 or ROM 1. I don't believe they ever made
> them for the GS-RAM.
>
> A fully populated GS-RAM holds 1.5mb. Add that to the memory in a ROM 3 and
> you get about half a mb less than the ROM three thinks it has with that card
> in it. A pity AE didn't follow Apples guidlines in this area.
>
>         Wayne