07-30-2010
For those who are following this thread, the data probably came from this PDF document from Hitachi. The data table is in table 4.1 . The variable sectors/track size table is in table 4.3 .
http://www.hitachigst.com/tech/techl...ATA_spv1.2.pdf
It makes a but more sense (to me) now because "number of disks" is actually the "number of platters" in old disc speak.
Corona688 has explained it well in an earlier post. The internal workings of the disc drive are not visible to the computer interface which sees the disc as a "normal" drive. The firmware on the drive itself is transparent - a bit like logical discs in a SAN.
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