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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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