IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100..., Specifications

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4.4.6 Operating modes
4.4.6.1 Operating mode descriptions
Operating mode Description
Spin-up Start up time period from spindle stop or power down
Seek Seek operation mode
Write Write operation mode
Read Read operation mode
Unload Idle Spindle rotation at 7200 RPM with heads unloaded
Idle Spindle motor and servo system are working normally. Commands can be re-
ceived and processed immediately
Standby Actuator is unloaded and spindle motor is stopped. Commands can be received
immediately
Sleep Actuator is unloaded and spindle motor is stopped. Only soft reset or hard reset
can change the mode to standby
Note: Upon power down or spindle stop a head locking mechanism will secure the heads in the OD park-
ing position.
4.4.6.2 Mode transition times
Mode transition times are shown below.
Note: The command is processed immediately but there will be an actual spin down time reflecting the
seconds passed until the spindle motor stops.
0.7 7,200 Unload Idle Idle
0.7 7,200 Idle Unload idle
Immediately Immediately 0 Standby Sleep
Immediately Immediately 0 Sleep Standby
Immediately Immediately 7200 -> 0 Standby Idle
31 12 0 -> 7200 (3 disks) Idle Standby
Transition time
(max)
(sec)
Transition time
(typical )
(sec)
RPM To From
Figure 15. Mode transition times
Deskstar 120GXP hard disk drive specifications
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