Hitachi HDS728080PLAT20 Specifications - Page 197
Seek 7xh
UPC - 829686000094
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12.36 Seek (7xh) Table 133: Seek command (7xh) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head 1 L 1 D H H H H Command 0 1 1 1 - - - - 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 0V 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head - - - - H H H H Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0V - 0 - V The Seek command initiates a seek to the designated track and selects the designated head. The device does not need to be formatted for a seek to execute properly. Output parameters to the device Sector Number In LBA mode this register specifies the LBA address bits 0-7 for seek. (L = 1) Cylinder High/Low This is the cylinder number of the seek. In LBA mode this register specifies the LBA address bits 8-15 (Low) and bits 16-23 (High) for seek. (L = 1) H This is the head number of the seek. In LBA mode this register specifies the LBA address bits 24-27 for seek. (L = 1) Input parameters from the device Sector Number In LBA mode this register contains the current LBA bits 0-7. (L = 1) Cylinder High/Low In LBA mode this register contains the current LBA bits 8-15 (Low) and bits16-23 (High). (L = 1) H In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar 7K80 Hard Disk Drive Specification 193