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Date:      Sun, 21 Mar 1999 20:59:25 -0800
From:      Mike Smith <mike@smith.net.au>
To:        Wes Peters <wes@softweyr.com>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: Gigabit ethernet -- what am I doing wrong? 
Message-ID:  <199903220459.UAA03089@dingo.cdrom.com>
In-Reply-To: Your message of "Sun, 21 Mar 1999 21:21:52 MST." <36F5C560.462546F4@softweyr.com> 

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> > > >Does anyone know when the faster PCI busses (64bits or 66MHz PCI clock rate)
> > > >are going to be availabe ?
> > >
> > > The "availability" of 66Mhz busses is almost moot. Making ASICs work at 33mhz
> > > is a chore....66mhz is a waze off.
> > 
> > That's close, but several of the major ASIC vendors were (or were
> > claiming to be) sampling devices with 66MHz PCI macrocells the last time
> > I looked.
> 
> I guess our 80 Mhz ASICs are a bit of an oddity then?

No; you just don't have any PCI experience. 8)  PCI control logic needs 
to work on both edges of the clock.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com




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