Re: The speed of the 30 Gig Drives

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From: Bill Morrow (penzance_at_gate.net)
Date: Fri Oct 06 2000 - 00:35:00 EDT

Well..
ok..
but we shall all learn more since the A21p is shipping.. well at least i have 5
coming on friday and hassan got two today..
he said, on the thinkpads open forum, that the 32gig appears more "zippy"
and the display was, once again, super..

Will Lau wrote:

> Thank You!
>
> That was just the answer I was looking for. It's time for me to get a bigger
> drive.
>
> Size does matter :)
>
> > -----Original Message-----
> > From: I Lee Hetherington [mailto:ilh_at_sls.lcs.mit.edu]
> > Sent: Wednesday, 4 October 2000 1:40 a.m.
> > To: Will Lau
> > Cc: emanuel_at_brown.org; thinkpad_at_cs.utk.edu
> > Subject: Re: The speed of the 30 Gig Drives
> >
> >
> > Will Lau wrote:
> >
> > > If I pack in 30gigs onto a disk instead of 12Gigs, wont the
> > 30gig be reading
> > > more data per revolution of the disk?
> >
> > Exactly. If you're talking about streaming speed, then disk
> > density plays a
> > direct role since more bits go by the head every revolution. The
> > only advantage
> > of faster RPM is more along the lines of seek speed since it may
> > have to wait
> > almost an entire revolution (~0.2ms) for desired data to come
> > back to the head.
> >
> > Now that surface density is getting so high, high RPM is less
> > important. That's
> > good from a noise and temperature standpoint too.
> >
> > --Lee Hetherington
> >
> >
> > 

--
---

Happy trails...

** Bill Morrow **   :-)
WEB page http://thinkpads.com
e-mail: bill_at_thinkpads.com, penzance_at_gate.net
open forum:  http://www.afaonline.com:8080/webboard/$webb.exe/~2/login?
sic transit gloria

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