Date: Wed, 6 Aug 1997 13:11:44 +0200 From: Peter Korsten <peter@grendel.IAEhv.nl> To: hackers@freebsd.org Subject: Re: Status of USB, TX chipset, PIIX3, etc. Message-ID: <19970806131144.41426@grendel.IAEhv.nl> In-Reply-To: <Pine.BSF.3.96.970806002829.1547A-100000@zippy.dyn.ml.org>; from Alex on Wed, Aug 06, 1997 at 12:31:47AM %2B0000 References: <Pine.BSF.3.96.970805171946.12564C-100000@shell.uniserve.com> <Pine.BSF.3.96.970806002829.1547A-100000@zippy.dyn.ml.org>
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Alex shared with us: > > On Tue, 5 Aug 1997, Tom wrote: > > > Hardrives? You've got to be kidding... and get worse than IDE > > performance? > > > > Remember, plain old SCSI-II is 10MB/s, which is works out to 80mbs! USB > > is only 12mbs. > > > > I see USB as a user input (mouse and keyboard) bus only. > > I have two fast scsi-2 harddrives (one at 10 and the other at 20mhz), and > while they're not the greatest (Fireball and Lightning by Quantum hehe), > I'm pushed to get more than 5mb/s (and I've enabled sync and wide > negotiation) when copying from one to another. Er, that 12 _MBit_ for USB and 5 _MByte_ (which is 40 MBit, if I ignore such things as protocal etc.) for your harddrive. - Peter
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