Another tip to save an extra 1.5W of power on the Acer Timeline laptop

In an ubuntuforums post, a user reported a method to save an extra 1.5W of power on the Acer Timeline laptops:

http://ubuntu-ky.ubuntuforums.org/showpost.php?p=7982766&postcount=299

This involves using the power management of the sata disks with this command:

for i in {0..5}; do echo host$i result:; sudo sh -c "echo 'min_power' > /sys/class/scsi_host/host$i/link_power_management_policy"; cat /sys/class/scsi_host/host$i/link_power_management_policy; done

Updated counts for the different groups:

• Sony Vaio Z-series and Linux -- 140 active memberships
• Acer Aspire Timeline 3810T/4810T and Linux -- 69 active memberships
  
• Dell Latitude E4200/E4300 and Linux -- 47 active memberships
• Lenovo ThinkPad X301 and Linux -- 41 active memberships
• Toshiba Portege R500-R600 and Linux -- 13 active memberships
• Samsung X360 and Linux -- 13 active memberships
  
• Dell Adamo and Linux -- 3 active memberships
• HP Envy 13 and Linux -- soon