Hitachi HDS721050CLA362 - Page 139

HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
135
Output Parameters To The Device
Sector Count
Timeout Parameter. If zero, then the automatic power down sequence is disabled. If
non-zero, then the automatic power down sequence is enabled, and the timeout interval is
shown below:
Value
Timeout
----------
-------------------------
0
Timer disabled
1-240
Value * 5
241-251
(Value-240) * 30 minutes
252
21 minutes
253
8 hours
254
21 minutes 10 seconds
255
21 minutes 15 seconds
When the automatic power down sequence is enabled, the drive will enter Standby mode
automatically if the timeout interval expires with no drive access from the host. The timeout
interval will be reinitialized if there is a drive access before the timeout interval expires.