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Set Automatic Acoustic Management level on hard drives
Authored by: alexwegel on Oct 19, '04 01:10:44AM

After a look into the ata specs i would guess that it's the smart autosave happening when going from active to idle after a timeout.
It should be disabled in the factory settings, but a tool or the os might have enabled it - dunno.
I also don't know whether disabling the autosave feature has any adverse effects, but i don't think so...

Anyway, the commands for enabling/disabling this would be (analoguous to the original hint):

disabling attribute autosave:

0 0 0 here d20000 , 4fc200b0 , 4000 1 apply ata-command hd

enabling attribute autosave:

0 0 0 here d2F100 , 4fc200b0 , 4000 1 apply ata-command hd

Alternatively, one could turn off smart support alltogether, but maybe it gets turned on again by the os. Maybe it's not such a good idea either (need smart?..)
Here they come anyway:

smart enable operations

0 0 0 here d80000 , 4fc200b0 , 4000 1 apply ata-command hd

smart disable operations

0 0 0 here d90000 , 4fc200b0 , 4000 1 apply ata-command hd

NOTE: I DIDN'T TRY ANY OF THESE COMMANDS!
(but they should work like the AAM command - only that the os might fiddle with the smart settings later, so - who knows)

I also don't know if this helps with the original problem, but i ...
HTH

cheers,
Alex



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