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.