[laptop-mode-tools] not respecting SATA powersave settings

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https://bbs.archlinux.org – I configured my installation of Laptop Mode Tools to enable SATA powersave at all times, because the fan runs at maximum speed without it on.  When I unplug the power connector, it works great--SATA powersave is on (as reported by powertop).  But when the laptop is plugged in, SATA powersave turns off, even though I (see config file below) explicitly told it to stay on!  What am I doing wrong?  So far laptop-mode-tools has been quite frustrating...  Thanks for any help!# # Configuration file for Laptop Mode Tools module intel-sata-powermgmt. # # For more information, c (HowTos)