Hitachi 100GB 7200 RPM HTE721010G9SA00 Benutzerhandbuch
Produktcode
HTE721010G9SA00
Travelstar E7K100 (Serial ATA) Hard Disk Drive Specification
16
4.4.2.4 Average latency
4.4.3 Drive ready time
Ready
The condition in which the drive is able to perform a media access command (for exam-
ple- read, write) immediately.
ple- read, write) immediately.
Power on
This includes the time required for the internal self diagnostics.
Note: Max Power On to ready time is the maximum time period that Device 0 waits for Device 1 to assert PDIAG
4.4.4 Operating modes
Note: Upon power down or spindle stop a head locking mechanism will secure the heads in the OD parking posi-
tion.
tion.
Table 8: Latency Time
Rotational speed
(RPM)
Time for one
revolution (ms)
Average latency
(ms)
7200
8.3
4.2
Table 9: Drive ready time
Condition
Typical (sec)
Maximum (sec)
Power on to ready
4.0
9.5
Table 10: Description of 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 com-
ponents remain powered and the servo remains operational.
ponents remain powered and the servo remains operational.
Standby
Actuator is unloaded and spindle motor is stopped. Command 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.
mode to standby.