Hitachi 7K320 Specifications - Page 133
Seek 7xh
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UPC - 890552647200
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7K320 (SATA) OEM Specification 14.33 Seek (7xh) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count -------- LBA Low VVVVVVVV LBA Mid VVVVVVVV LBA High VVVVVVVV Device - L - - HHHH Command 0111- - - - Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count -------- LBA Low VVVVVVVV LBA Mid VVVVVVVV LBA High VVVVVVVV Device - - - - HHHH Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000V0V0 0 Table 104 Seek Command (7xh) Status Register 7 6 5 4 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0V0V - 0 0V The Seek command initiates a seek to the designated track and selects the designated head. The device need not be formatted for a seek to execute properly. Output Parameters To The Device LBA Low In LBA mode, this register specifies LBA address bits 0 - 7 for seek. (L=1) LBA High/Mid The cylinder number of the seek. In LBA mode, this register specifies LBA address bits 8 - 15 (Mid), 16 - 23 (High) for seek. (L=1) H The head number of the seek. In LBA mode, this register specifies LBA address bits 24 - 27 for seek. (L=1) Input Parameters From The Device LBA Low In LBA mode, this register contains current LBA bits 0 - 7. (L=1) LBA High/Mid In LBA mode, this register contains current LBA bits 8 - 15 (Mid), 16 - 23 (High). (L=1) H In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Page 133 of 176
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