Interface

*3) Automatic Acoustic Management (AAM)

The host writes to the Sector Count register with the requested acoustic management level and executes this command with subcommand code 42h, and then Automatic Acoustic Management is enabled. The AAM level setting is preserved by the drive across power on, hardware and software resets.

AAM Level

Sector Count Register

 

 

Performance mode (Fast Seek)

C0h-FEh

Acoustic mode (Slow Seek)

80h-BFh

Abort

01h-7Fh

Non Operate

00h, FFh

 

 

High-speed seek to which gives priority to the performance operates as for "Performance mode", and low-speed seek by which the seek sound is suppressed operates as for "Acoustic mode".

Setting the seek mode by this command is applied to the seek operation in all command processing.

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Fujitsu MHV2040AT, MHV2100AT, MHV2080AT, MHV2120AT, MHV2060AT manual Automatic Acoustic Management AAM