Subject: Re: 300MHz beige G3 questions
To: <>
From: Kevin Diggs <kevdig@rcn.com>
List: port-macppc
Date: 12/06/2002 18:45:46
Hi,

    Can I infer from your statements that the bus in my 8600 is running at 5
MHz under MacOS? Or is it set to 10 by default because in this model the mesh
is internal only?

                    kevin

David Gatwood wrote:

> On Fri, 6 Dec 2002, Andy Ball wrote:
>
> >    BS> The on board mesh SCSI connects to the internal ZIP
> >      > drive if it has one.  The internal ATA is ATA-3,
> >      > 16.6MB/s.
> >
> > Iomega don't seem to make internal SCSI Zip drives any more,
> > which strikes me as a shame. That said, I loved the way that
> > NetBSD 'just worked' with my USB Zip drive :-)
>
> It's worth noting that many beige G3 machines had an ATA zip.  I'm not
> sure when they changed over, but there was a definite changeover.  After
> that, the onboard SCSI was only used for external devices.
>
> It's also probably worth noting that the MESH controller was configured to
> run at slow external bus speeds, but that its clock speed can be changed
> in software to improve performance if the bus is clean enough to handle
> it.  The Linux driver has either a run time or compile time option, I
> forget which.  Scary.
>
> Later,
> David
>
> ---------------------------------------------------------------------
> David A. Gatwood                                dgatwood@gatwood.net
> Developer Docs Writer                             dgatwood@apple.com
> Apple Computer                                  dgatwood@mklinux.org
>
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