Subject: Re: External cache on IIci
To: Colin Wood <cwood@ichips.intel.com>
From: E. Seth Miller <esmiller@engin.umich.edu>
List: port-mac68k
Date: 10/09/1997 00:18:26
On Wed, 8 Oct 1997, Colin Wood wrote:

> Paul Goyette wrote:
> > 
> > I've been running with that line commented out of my config file for a
> > long time now, with no wierd results.  It certainly boots up just fine.
> > 
> > Of course, I don't know if the cache was ever actually enabled (I assume
> > that MacOS would have to do this, and with my cache card that means a
> > MacOS system extension;  I always boot with extensions off when I'm
> > going to use NetBSD).  All I know is that that particular option prevents
> > NetBSD from explicitly disabling the cache.
> > 
> 
> Actually, I thought that it was enabled in hardware by default, no
> extensions needed.  However, I could be wrong about that, too ;-)  I'll
> have to go find a copy of "Designing Cards and Drivers for the Macintosh"
> and "Guide to the Macintosh Family Hardware" again.  I really wish they
> published these on the web like they do everything else!

Yes, the cache card is enabled in hardware by default (the Apple standard
one, at any rate).  At least, I didn't have to add/change anything in
software when I put my cache card in, and it sped things up a lot.

	-Seth Miller