IBM DTNA-22160 Hard Drive Specifications - Page 105
Idle, E3h/97h
View all IBM DTNA-22160 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 105 highlights
12.7 Idle (E3h/97h) Command Block Output Registers Register 76543210 Data Feature Sector Count V V V V V V V V Sector Number Cylinder Low Cylinder High Device/Head 1 1D Command 11100011 Command Block Input Registers Register 76543210 Data Error ...See Below... Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status ...See Below... Error Register 76543210 BBK UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 76543210 BSY RDY DF DSC DRQ COR IDX ERR 0V0V 0 V Figure 58. Idle Command (E3h/97h) The Idle command causes the device to enter Idle mode immediatly, and set auto power down timeout parameter(standby timer). And then the timer starts counting down. When the Idle mode is entered, the device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and ready to respond to host commands immediately. Output Parameters To The Device Sector Count Timeout Parameter. If zero, the timeout interval(Standby Timer) is N O T disabled, but the timeout interval is set for 109 minutes automatically. If other than zero, the timeout interval is set for (Timeout Parameter × 5) seconds. The device will enter Standby mode automatically if the timeout interval expires with no device access from the host. The timeout interval will be reinitialized if there is a device access before the timeout interval expires. Command Descriptions 97