Subject: Re: Quadra 840AV hardware question
To: Jeffrey Ohlmann <jeffbsd@yahoo.com>
From: Mark Weaver <markw@mxtechs.com>
List: port-mac68k
Date: 09/30/2000 13:40:44
Jeffrey Ohlmann wrote:
> 
> --- Bob Nestor <rnestor@augustmail.com> wrote:
> > Jeffrey Ohlmann wrote:
> >
> > >I have several (3) Quadra 840AVs. Today I noticed that one of them
> > has
> > >a slot at J24 (I think) on the motherboard, next to the four SIMM
> > >slots. This slot is occupied by what appears to be a small RAM
> > stick,
> > >which has printed on it "2MB SIMM APPLE COMPUTER". What is this, and
> > >why do the other two machines not have it? I'll add that this
> > machine
> > >has a CDROM drive while the others do not, if that's significant.
> >
> > Isn't that the Video RAM?
> >
> > -bob
> 
> Obviously I don't know, but I don't think so, for a few reasons: It
> doesn't look like the usual Apple VRAM; the Apple Spec says the 840AV
> has only 512k VRAM built in; and there are four explicitly labeled VRAM
> slots elsewhere on the board.
> 
> Jeff
> 
Maybe it's system cache?
-- 
Mark Weaver
Systems Administrator
MX Technologies, LLC
http://www.mxtechs.com