Fujitsu MHY2200BH, MHY2160BH, MHY2250BH, MHY2100BH, MHY2120BH, MHY2080BH, MHY2060BH, MHY2040BH Glossary

Glossary

Actuator

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

AT bus

A bus between the host CPU and adapter board

ATA (AT Attachment) standard

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.

Command

Commands are instructions to input data to and output data from a drive.

Commands are written in command registers.

Connector (Connector Plug: Host system side)

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.

Cover

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.

Data block

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

DE

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

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

C141-E262 GL-1