Hitachi 7K320 Specifications - Page 76
Check Power Mode E5h/98h
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UPC - 890552647200
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7K320 (SATA) OEM Specification 14.1 Check Power Mode (E5h/98h) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count -------- LBA Low -------- LBA Mid -------- LBA High -------- Device -------- Command 11100101 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count VVVVVVVV LBA Low -------- LBA Mid -------- LBA High ------ - Device -------- Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000 0 0V0 0 Table 43 Check Power Mode Command (E5h/98h) Status Register 7 6 5 4 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 0 0 - - 0 0V The Check Power Mode command will report whether the device is spun up and the media is available for immediate access. Input Parameters From The Device Sector Count The power mode code. The command returns FFh in the Sector Count Register if the spindle motor is at speed and the device is not in Standby or Sleep mode. Otherwise, the Sector Count Register will be set to 0. Page 76 of 176
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