Power.sh

power.sh

# Disable the NMI watchdog
echo 0 > /proc/sys/kernel/watchdog

# Runtime power-management for PCI devices
for i in /sys/bus/pci/devices/*/power/control ; do
    echo auto > ${i}
done

# Runtime power-management for USB devices
for i in /sys/bus/usb/devices/*/power/control ; do
    echo auto > ${i}
done

# Disable Wake-on-LAN and ethernet port
ethtool -s eth0 wol d

#Enable Audio codec power management
echo '1' > '/sys/module/snd_hda_intel/parameters/power_save';

# Higher writeback timeout
echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs'

# Low power SATA
echo 'min_power' > '/sys/class/scsi_host/host0/link_power_management_policy'

# Low power wireless
iw dev wlan0 set power_save on