Date: Fri, 29 Jan 1999 14:59:36 +0000 From: Tony Finch <dot@dotat.at> To: hackers@FreeBSD.ORG Subject: Re: USB drivers Message-ID: <E106FOS-0003F1-00@fanf.noc.demon.net> In-Reply-To: <199901290322.UAA15376@usr07.primenet.com> References: <36ADD73B.1F2DAA38@softweyr.com>
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Terry Lambert <tlambert@primenet.com> wrote: > >Anyone considered building a PC whose only means of talking to >the world is a USB port? It'd be rather crippled with only 12Mbit/s of IO. >Anyway, Amancio says he'd prefer FireWire for the monitor (at it's >slowest, FW can transfer 68 Mbits/S more a second than PCI!), but >of course he's a video geek. 8-). I think you have your bits and bytes mixed up :-) Firewire starts out at 100Mbit/s (or at least it did when I first heard about it in 1994) and PCI starts at 132Mbyte/s. IIRC Firewire was designed to be extended to 800Mbit/s which doesn't get very near PCI's minimum. For good video you need 3Gbit/s to the tube (1600*1200, 72Hz, 24 bpp). >So maybe a box with just a power connector, a FW port and a USB hub >chip (to seperate the "A" and "B" devices). That would be cool. Tony. -- f.a.n.finch dot@dotat.at fanf@demon.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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