Hitachi HTS541040G9AT00 Specifications - Page 200
Standby E2h/96h
UPC - 000059826569
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13.40 Standby (E2h/96h) Table 130: Standby (E2h/96h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count V V V V V V V V LBA Low LBA Mid LBA High Device 1 - 1 D - - - - Command 1 1 1 0 0 0 1 0 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0V - 0 - V The Standby command causes the device to enter the Standby Mode immediately and to set the auto power down time-out parameter (standby timer). When this command is issued, the device confirms the completion of the cached write commands before it asserts the INTRQ. Following the INTRQ the interface remains active and the device is spun down. If the device is already spun down, the spin down sequence is not executed. During the Standby mode the device will respond to commands, however there will be a delay while waiting for the spindle to reach operating speed. The timer starts counting down when the device returns to Idle mode. Output parameters to the device Sector Count The Time-out Parameter. If it is zero, the time-out interval (Standby Timer) is disabled. If it is other than zero the time-out interval is set for (Time-out Parameter × 5) seconds. When the automatic power down sequence is enabled, the device will enter the Standby mode automatically if the time-out interval expires with no device access from the host. The time-out interval will be reinitialized if there is a device access before the time-out interval expires. Travelstar 5K100 Hard Disk Drive Specification 186