Re: Figuring Out My GS RAM Plus

[mjmahon@aol.com (Michael J. Mahon)]

Ralph Glatt wrote:

>Okay, just checked my parts box, and found a GS RAM Plus there. It's
>not fully populated, but I'd like to understand it better before I go
>buying chips for it.
>
>Copyright date on it is 1988, and it has chips labelled GSPLD2A-I and
>GSPLD1A-I. Now, if I understand correctly, the second chip means it's
>for a Rom 01, right? Thing is, I want to put it in my Rom 03 GS. Where
>would I get the right chip to put in so it will work?

I'd be interested in the answers, too.  My unpopulated board has chips
labelled GSPLD2A-Q and GSPLD1A-Q.

>I did do some digging on this card in Google, and found that it can be
>upped to 6 Meg of RAM, but there's something about DMA and the kind of
>hard drive I'm using. Currently, I have an Apple high speed SCSI card
>for an external hard drive for it. Can anyone give me more on this? I
>can tell you what kind of hard drive I have, if necessary. I'm hoping
>to put in either a Focus hard drive or one of Bill's CFFA drives
>eventually.

Neither of those drives uses DMA, so DMA compatibility is not an
issue.

-michael

Check out parallel computing for 8-bit Apples on my
Home page:  http://members.aol.com/MJMahon/