Date: Wed, 10 Feb 1999 16:51:13 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: Mike Smith <mike@smith.net.au> Cc: Jaye Mathisen <mrcpu@internetcds.com>, hackers@FreeBSD.ORG Subject: Re: Passive backplane PC's? Message-ID: <Pine.LNX.4.04.9902101649170.10463-100000@feral-gw> In-Reply-To: <199902110041.QAA01517@dingo.cdrom.com>
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> > > > I see these ads every now and again for these boxes with passive PCI > > backplanes, and 14 slots, and such. > > > > Would one of these hold 14 4 port Znyx cards? Is it some kind of special > > chipset? Do we support it? I'm just not real familiar with this kind of > > system as opposed to the more common PC hardware. > > Most of these boards with large slot counts are ISA backplanes. There > are a few around with multiple PCI busses (in most cases you get 7 > slots, with 4 behind a bridge). > > Typically, you will also be paying for a (quite expensive) PICMG CPU > card to go with the backplane; probably not so much of an issue if > you're looking at such a stoked system. > Expensive? Siliconrax has them for ~200$- not bad when you consider it includes all standard I/O stuff. My main box is a 5 PIC-MIG system each with one ISA and one PCI per PIC-MIG CPU. It's rather a nice arrangement for one box, although I could wish for separate power for each segment. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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