From owner-freebsd-hardware  Tue Dec 16 23:09:11 1997
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Date: Tue, 16 Dec 1997 23:10:41 -0800 (PST)
From: Howard Lew <digital@www2.shoppersnet.com>
To: freebsd-hardware@FreeBSD.ORG
Subject: Re: Speed of the cards? was Re: SCSI card to choose
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On Mon, 15 Dec 1997, Allan Alford wrote:

> Satoshi Asami wrote:
> > 
> >  * From: Allan Alford <aa@jump.net>
> > 
> >  * PCI bus speed = 1/2 motherboard bus speed.  Motherboard bus speed is the
> >  * same as 'CPU speed' without the clock multiplier.  The newest
> > 
> > Don't the VIA Apollo chipsets allow you to keep the PCI bus at 33MHz
> > even when the system bus is running at 75MHz or 83MHz?
> > 
> > Satoshi
> 

I think there was a SIS chipset motherboard by M-tech that allows 75MHz 
bus clock and 33MHz PCI bus.

Otherwise, go with an ALI IV chipset motherboard as they do 33MHz PCI at 
83MHz, 30Mhz at 75MHz, and 33MHz at 66MHz.  I have one but I am not the 
overclocking cpu type. :)