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General Description
16 C141-E252
(16) Large capacity
A large capacity can be obtained from the HDDs by dividing all cylinders into several partitions and
changing the recording density on each partition (constant density recording). The disk subsystem
with large capacity can be constructed in the good space efficiency.
(17) Start/Stop of spindle motor
Using the SAS primitive or the SCSI command, the host system can start and stop the spindle motor.
(18) Diagnosis
The HDDs have a diagnostic capability which checks internal controller functions and HDD
operations. Also, for early detection of and recovery from the errors on the disk, the HDD has a
function for periodically implementing a full scan of the disk.
(19) Low power consumption
By using highly integrated LSI components, the power consumption of the HDDs is very low, and
this enables the units to be used in wide range of environmental conditions.
(20) Low acoustic noise
The acoustic noise level is low; approx. 3.6 Bels at Idle. This makes it ideal for office use.
(21) Microcode downloading
The HDDs implement the microcode download feature. This feature easily achieves maintenance
and function enhancement of the HDDs.