| 摘要 |
Embodiments of servo systems for risk drives are described that include servo identifiers (SID) that can be used in a mini-mode with a shortened servo gate window that skips over the initial fields in the SID. The SID embodiments include a Servo Address Mark (SAM), Track-ID (TID), P and Q PES bursts, and one or more Integrated Servo sequences that provide a Servo Track Mark (STM) that is detectable in mini-mode. The Integrated Servo sequences can also provide additional PES information, as well as, sector identification information. In one embodiment the servo pattern includes only on IS sequence (which is aligned with the P-Burst) and the Q-Burst is made longer that the P-Burst. The additional number of cycles (bits) in the Q-Burst increases the equivalent number of bits in the PES to compensate for the lack of the second IS sequence. |
