Fujitsu MAW3300fc Manual Do Utilizador

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1.2  Hardware Structure 
C141-E235 
1-5 
(19) Diagnosis 
 
The HDD has a diagnostic capability which checks internal controller functions and drive operations 
to facilitate testing and repair. 
 
 
(20) 
Low power consumption 
 
By using highly integrated LSI components, the power consumption of the HDD is very low, and this 
enables the unit to be used in wide range of environmental conditions. 
 
 
(21) 
Low noise and low vibration 
 
The noise level is low; approx. 3.4 Bels at Ready for the drive.  This makes it ideal for office use.   
 
 
(22) Microcode 
downloading 
 
The HDD implements the microcode download feature.  This feature easily achieves maintenance 
and function enhancement of the HDD. 
 
 
1.2 Hardware 
Structure 
 
An outer view of the HDD is given in Figures 1.1.  The HDD has a disk enclosure (DE) and a printed 
circuit assembly (PCA).  The DE includes heads on an actuator and disks on a spindle motor 
mounted on the DE.  The PCA includes a read/write circuit and a controller circuit. 
 
 
Figure 1.1 
FC model drives outer view 
 
 
(1) Disks 
 
The disks have an outer diameter of 84 mm (3.3 inch) and an inner diameter of 25 mm (0.98 inch).  
The disks are good for at least 50,000 contact starts and stops.