IBM DTLA-305040 Hard Drive Specifications - Page 193
Standby Immediate E0h/94h
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12.34 Standby Immediate (E0h/94h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 0 0 0 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 140. Standby Immediate Command (E0h/94h) The Standby Immediate command causes the device to enter Standby mode immediately. The device is spun down but the interface remains active. If the device is already spun down, the spin down sequence is not executed. During the Standby mode the device will respond to commands, but there is a delay while waiting for the spindle to reach operating speed. The Standby Immediate command will not affect the auto power down time-out parameter. Deskstar 40GV & 75GXP hard disk drive specifications 181