From: STeve Andre' (andres_at_msu.edu)
Date: Fri Apr 21 2000 - 19:27:44 EDT
I think I remember reading a paper on new disk technologies which said that
12.5mm was going to be a standard for the next while, and 17mm wouldn't
be needed. IBM has gotten up to around 17 billion bits per square inch now
in data density and I got the impression thats only going to improve, so the
new disks won't be as tall as before.
Witness the 32 and 30G IBM disks at 12.mm. Also, consider that smaller
notebooks could use the smaller disks.
Now if only I could remember the site where I was reading about all this...
STeve Andre'
At 07:16 PM 4/21/00 -0700, Mark Bell wrote:
>At 10:35 PM 04/21/2000 BST, Anthony R. Gold wrote:
> >In message <15782.000420_at_falkor.chi.il.us> "Ronald W. Heiby" writes:
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> Thursday, April 06, 2000, 2:49:29 PM, Randal wrote:
> >> RW> The 770 had only 3 things over the original 600:
> >> RW> (1) Video capability (presumably in or out), ...
> >> RW> (2) Hardware-assisted MPEG playback ...
> >> RW> (3) the largest 14.1" screen with 1280x1024 resolution ...
> >> RW> EVERYTHING else the 770 had or did, the 600 matched quite nicely.
> >>
> >> Cool! I didn't know that I could put two 25Gig HDs into a 600 series,
> >> or even ONE 25Gig HD. Which model is it that has this capability, so I
> >> can consider it for replacing my 770ED?
> >
> >Check out http://www.storage.ibm.com/press/hdd/20000412.htm for info
> >on the 30GT, a 12.5mm 30GB 4,200rpm drive which should allow 60GB in
> >any 600 series thinkpad, when using both main and slimbay; volume are
> >shipments promised in May.
> >
>
>The point is when technology pushes new HD capacities, they initially
>come out in >12.5mm sizes on a frequent basis and these drives have
>larger capacities and sometimes faster rpm rates. In time, similar
>capacity devices are offered in smaller form factor(s) as technology
>affords it. The 770 series can accomodate larger physically sized
>HDs (>12.5mm). The 600 series can not. This was the case with the
>25gb drive, and I suspect it will happen again in the future with
>other drives, manufacturers and capacities as they push the envelope
>for speed and capacity.
>
>Mark
>
>
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