-M Get/set Automatic Acoustic Management (AAM) setting. Most
modern harddisk drives have the ability to speed down the
head movements to reduce their noise output. The possible
values are between 0 and 254. 128 is the most quiet (and
therefore slowest) setting and 254 the fastest (and
loudest). Some drives have only two levels (quiet / fast),
while others may have different levels between 128 and
254. At the moment, most drives only support 3 options,
off, quiet, and fast. These have been assigned the values
0, 128, and 254 at present, respectively, but integer
space has been