Fujitsu MHW2080BJ 用户手册

 

 

Head positioning assembly.  The actuator consists of a voice coil motor and head 
arm.  If positions the read-write (R-W) head. 

A bus between the host CPU and adapter board 

The ATA standard is for a PC AT interface regulated to establish compatibility 
between products manufactured by different vendors.  Interfaces based on this 
standard are called ATA interfaces. 

Commands are instructions to input data to and output data from a drive.  
Commands are written in command registers. 

It means a host receptacle (described in this Glossary), when a drive is connected 
to a host system without use an interface cable.  In case of use an interface cable 
for connecting to a host system, it means the connector plug which consists of 
terminals and housing of the cable. 

A lid of DE.  It is a metallic part labeled the model name and its revision.  This 
part is attached to the opposite side from PCBA on the disk drive. 

A data block is the unit used to transfer data.  A data block normally indicates a 
single sector. 

Disk enclosure.  The DE includes the disks, built-in spindle motor, actuator, heads, 
and air filter.  The DE is sealed to protect these components from dust. 

Host receptacle is a connector type on the host system that the signal segment of 
Serial-ATA unifies with the power supply segment. 

C141-E259 

GL-1