Date: Mon, 8 Sep 1997 03:40:36 -0400 From: Lee Cremeans <lee@wakky.dyn.ml.org> To: Greg Lehey <grog@lemis.com> Cc: chat@freebsd.org Subject: Re: lousy disk perf. under cpu load (was IDE vs SCSI) Message-ID: <19970908034036.07341@wakky.dyn.ml.org> In-Reply-To: <19970908164852.40911@lemis.com>; from Greg Lehey on Mon, Sep 08, 1997 at 04:48:52PM %2B0930 References: <19970908013227.32344@wakky.dyn.ml.org> <199709080546.PAA01604@word.smith.net.au> <19970908164852.40911@lemis.com>
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On Mon, Sep 08, 1997 at 04:48:52PM +0930, Greg Lehey wrote: > > The linear VC actuator probably predates the use of stepper motors; > > I'd think so. The stepper motors wouldn't have got into hard drives > until about the ST-506. Seagate was founded in 1979, so this puppy came out that year or in 1980. And yes, I kinda figured the ST-506 had something to do with this, seeing that Alan Shugart practically invented[1] the floppy (and that practically all floppy drives use steppers)... [1] Shugart was on the team that invented the 8" floppy at IBM, IIRC... -- Lee C. -- Manassas, VA, USA (WakkyMouse on DALnet #watertower) A! JW223 YWD++^i WK+++r P&B++ SL++^i GDF B&M KK--i MD+++i P++ I++++ Did $++ E5/10/70/3c/73ac Ee34/1/36 H2 PonPippi Ay77 M | hcremean (at) vt.edu FreeBSD/Linux/Unix hacker...Win95 and M$ evil! (go see www.freebsd.org) My home page: http://wakky.dyn.ml.org/~lee | finger me for geek code
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