Hitachi HTS541040G9AT00 Specifications - Page 30
Operating modes - diagnostic
UPC - 000059826569
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4.4.2.4 Average latency Table 9: Average latency Rotational speed (RPM) Time for one Average latency revolution (ms) (ms) 5400 11.1 5.5 4.4.2.5 Drive ready time Table 10: Drive ready time Condition Power on to Ready Drive ready time (sec) Typical Max 3.5 9.5 Ready Power on to Ready The condition in which the drive is able to perform a media access command (for example - read, write) immediately. This includes the time required for the internal self diagnostics. 4.4.3 Operating modes 4.4.3.1 Description of operating modes Table 11: Description of operating modes Operating mode Spin-up Seek Write Description Start up time period from spindle stop or power down. Seek operation mode Write operation mode Read Read operation mode Performance Idle Active idle Low power idle The device is capable of responding immediately to idle media access requests. All electronic components remain powered and the full frequency servo remains opera- tional. The device is capable of responding immediately to media access requests. Some circuitry-including servo system and R/W electronics-is in power saving mode. The head is parked near the mid-diameter the disk without servoing. A device in Active idle mode may take longer to complete the execution of a command because it must activate that circuitry. The head is unloaded onto the ramp position. The spindle motor is rotating at full speed. Travelstar 5K100 Hard Disk Drive Specification 16