From owner-freebsd-hackers Wed Aug 6 13:23:32 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id NAA17419 for hackers-outgoing; Wed, 6 Aug 1997 13:23:32 -0700 (PDT) Received: from grendel.IAEhv.nl (grendel.IAEhv.nl [194.151.72.15]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA17401 for ; Wed, 6 Aug 1997 13:23:27 -0700 (PDT) Received: (from peter@localhost) by grendel.IAEhv.nl (8.8.5/8.8.5) id NAA00415; Wed, 6 Aug 1997 13:11:45 +0200 (CEST) Message-ID: <19970806131144.41426@grendel.IAEhv.nl> Date: Wed, 6 Aug 1997 13:11:44 +0200 From: Peter Korsten To: hackers@freebsd.org Subject: Re: Status of USB, TX chipset, PIIX3, etc. References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.67e In-Reply-To: ; from Alex on Wed, Aug 06, 1997 at 12:31:47AM +0000 Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk 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