Drive Mounting; Heads Unload And Actuator Lock - Hitachi CinemaStar P7K500 Specifications

5.7.4

Drive mounting

The drive will operate in all axes (6 directions). Performance and error rate will stay within specification limits
if the drive is operated in the other orientations from which it was formatted.
For reliable operation, the drive must be mounted in the system securely enough to prevent excessive
motion or vibration of the drive during seek operation or spindle rotation, using appropriate screws or
equivalent mounting hardware.
The recommended mounting screw torque is 0.6 – 1.0 Nm (6-10 Kgf.cm).
The recommended mounting screw depth is 4 mm maximum for bottom and 4.5 mm maximum for horizontal
mounting.
Drive level vibration test and shock test are to be conducted with the drive mounted to the table using the
bottom four screws.
5.7.5

Heads unload and actuator lock

Heads are moved out from disks (unload) to protect the disk data during shipping, moving, or storage.
Upon power down, the heads are automatically unloaded from disk area and the locking mechanism of the
head actuator will secure the heads in unload position.
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
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