Seagate Medalist Pro 4520, Руководство по эксплуатации продукта

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1.9 Power-up sequence
1. Power is applied to the drive.
2. The spindle motor reaches operating speed in about 4 seconds .
3. The airvane actuator-lock releases the actuator.
4. The drive synchronizes to servo pattern.
5. Calibration routines are performed.
5. 6. The heads move back to track 0 and the drive is ready.
1.9.1 Power-down sequence
Caution. Do not move the drive until the motor has come to a complete
stop.
1. The power is turned off.
2. The read/write heads automatically move to the landing zone, which
is inside the maximum data cylinder.
3. The airvane actuator-lock mechanism locks the arm. This completes
the power-down sequence.
4. Within 15 seconds, the drive stops rotating.
1.10 Auto-park
During power-down, the read/write heads automatically move to the
landing zone. The heads park inside the maximum data cylinder and the
airvane actuator-lock engages. When power is applied, the heads recali-
brate to track 0.
1.11 Power specifications
1.11.1 Power management
The drive supports Active, Idle and Standby power-management modes.
The power-management commands the drive supports are listed in the
table on page 27. The table on page 11 shows the average typical power
consumption rates for each power-management mode. The test criteria
for each mode is defined on the following page. The Idle and Standby
timers are disabled at the factory.
Medalist Pro 9140, 6530 and 4520 Product Manual, Rev. B 9