From owner-freebsd-hardware Fri Sep 22 10:10:20 2000 Delivered-To: freebsd-hardware@freebsd.org Received: from search.sparks.net (search.sparks.net [208.5.188.60]) by hub.freebsd.org (Postfix) with ESMTP id 6B0E537B42C; Fri, 22 Sep 2000 10:10:18 -0700 (PDT) Received: by search.sparks.net (Postfix, from userid 100) id 673DCDC77; Fri, 22 Sep 2000 13:05:14 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by search.sparks.net (Postfix) with ESMTP id 5A6A7DC76; Fri, 22 Sep 2000 13:05:14 -0400 (EDT) Date: Fri, 22 Sep 2000 13:05:14 -0400 (EDT) From: David Miller To: Mike Smith Cc: freebsd-hardware@freebsd.org Subject: Re: Multiple PCI busses? In-Reply-To: <200009221630.e8MGUAA00847@mass.osd.bsdi.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, 22 Sep 2000, Mike Smith wrote: > > Is anyone using FreeBSD on hardware with multiple independent PCI busses > > to increase total bus bandwidth? > > Yes. That's a good start:) > > I got an Abit KT7 mobo with 6 pci slots and expected to find multiple pci > > busses, but my three scsi and ethernet controllers seem to share the same > > bus. > > You're not going to find this sort of feature in most low-end boards. I wondered, but thought there was a limit of three or four PCI slots to a PCI bus. I figured six slots would have to be two busses. > > I'm interested in putting together an eight to twelve port 100 Mbit > > router, and any way I slice it a single PCI bus comes up as a hard limit > > pretty quickly. I'm not aware of any multi-port ethernet cards with fast > > or wide interfaces, (anyone know of any?) so am looking for > > recommendations on multiple PCI busses. > > Adaptec have 64-bit versions of their quad-port fast cards. I think they > have 66MHz versions as well. At any rate, you might want to consider the > Tyan Thunder 2500 as a platform for this sort of work. You'll want to > think about memory bandwidth (which this board has in spades) as well. Those do look awesome. Got any favorite suppliers? Thanks Mike:) --- David To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message