CPC G11B 11/10578 (2013.01) [G11B 5/59655 (2013.01)] | 20 Claims |
1. An apparatus comprising:
a data channel including a phase lock clock (PLC) module configured to:
synchronize multiple servo clocks to a reference clock, the multiple servo clocks used to read servo data from servo zones with different frequencies, and the reference clock used to perform a write of a spiral pattern utilizing a single frequency phase; and
after synchronization of the multiple servo clocks, perform the write to a first data storage medium while a write head is positioned based on the servo zones with different frequencies.
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