Date: Thu, 15 Apr 1999 09:00:11 +0300 From: Vallo Kallaste <vallo@matti.ee> To: "Brian's Mail" <bellefso@execpc.com> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: 2 or 4 port Ethernet cards Message-ID: <19990415090011.B23171@matti.ee> In-Reply-To: <NCBBLDHPCJFJEDOEPEBFEEAKCHAA.bellefso@execpc.com>; from Brian's Mail on Wed, Apr 14, 1999 at 05:35:45PM -0500 References: <19990414115146.24299@ccsales.com> <NCBBLDHPCJFJEDOEPEBFEEAKCHAA.bellefso@execpc.com>
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On Wed, Apr 14, 1999 at 05:35:45PM -0500, Brian's Mail <bellefso@execpc.com> wrote: > The PCI Bus can do 132 MB/sec so in theory the bus can handle 4 100Mb ports. > This would be roughly 50 MB/sec. So it shouldn't matter if there are 4 > seperate cards or a card with four ports, whether or not the card can > sustain that output is the important thing. Also don't forget that the disk I/O belongs to the same PCI bus usually and takes some bandwidth... so you can't give all the performance to network interface. I don't know about the balance of these, somebody more knowledgeable should explain. I have heard rumours that 64bit and 66Mhz PCI busses exist? -- Vallo Kallaste vallo@matti.ee To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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