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Date:      Mon, 21 Sep 1998 08:32:54 -0400
From:      "Steve Friedrich" <SteveFriedrich@Hot-Shot.com>
To:        "Joe Gleason" <clash@tasam.com>, "Mike Smith" <mike@smith.net.au>
Cc:        "hardware@FreeBSD.ORG" <hardware@FreeBSD.ORG>, "spork" <spork@super-g.com>
Subject:   Re: SCSI card used at cdrom.com?
Message-ID:  <199809211233.IAA27650@laker.net>

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On Sun, 20 Sep 1998 23:16:54 -0700, Mike Smith wrote:

>> Wont the PCI bus still run at it's 33mhz regardless of what the system bus
>> is and therefor the system bus speed would have no effect on PCI devices?
>
>Generally correct, yes.

Actually, the correct answer is NO.  With the exception of some newer
motherboards, the PCI clock is derived from the system bus speed.  Some
newer moboards de-couple the PCI clock from the system bus.  One place
to do a little reading is http://www.tomshardware.com/

You'll want to research Front Side Bus.


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