Hitachi hard disk 0J11285 500 GB 2.5 " 8 MB 0J11285 データシート
製品コード
0J11285
Z5K500 OEM Specifications
20
4.4.2
Operating modes
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
Performance idle
The device is capable of responding immediately to media access requests. All
electronic components remain powered and the full frequency servo remains
operational.
electronic components remain powered and the full frequency servo remains
operational.
Standby
The device interface is capable of accepting commands. The spindle motor is
stopped. All circuitry but the host interface is in power saving mode.
An execution of a command is delayed until the spindle gets ready.
stopped. All circuitry but the host interface is in power saving mode.
An execution of a command is delayed until the spindle gets ready.
Sleep
The device requires a soft reset or a hard reset to be activated. All electronics,
including a spindle motor and the host interface, are shut off.
including a spindle motor and the host interface, are shut off.
Table 10 Operating mode
4.4.2.1
Mode transition time
From
To
Transition Time
(typ)
Transition Time
(max.)
Standby Idle
2.5
6.0
Table 11 Drive ready time
4.4.2.2
Operating mode at power on
The device goes into Idle mode after power on or hard reset as an initial state.