Re: Disk geommetry, was Re: Kernel Upgrade: Why?
On Fri, 23 Apr 1999 16:57:35 -0500 (CDT), sombody wrote:
>> And the data on the outer side passes the heads much faster than the
>> data on the inner side. But then, there is much more data on the outer
>> side, and a piece of data on the outer side will go round in the same
>> amount of time as a piece of data on the inner side..
>
>I am not aware of any disks that use a higher density recording format for
>the outer tracks than they do for the inner tracks.
ever heard of ZBR(zone bit recording)? I think most modern HDD packs
more bits on the outer tracks. The density increases in steps, hence
'zone', not contineously like CDs. I have seen number of HDD service
manuals and most of them seem to use 5 zones.
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