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2011-01-20

PowerTOP Limbo - How Low Can You Go?

  1. Samsung NF310, no Xorg, 1366x768, RAMdisk, 2.6.36, display OFF = 3.6W
  2. Samsung NF310, no Xorg, 1366x768, RAMdisk, 2.6.36 = 5.0W
  3. Samsung NF310, no Xorg, RAMdisk, 2.6.36, display OFF, charging N900 via USB = 6.0W
  4. Compaq 6910P, no Xorg, no wifi = 12.2W

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2011-01-17

Samsung NF310 on Debian/Linux

    Required tweaks:
  • Xorg autodetection with 2.6.37 ( with 2.6.35 only vesa @1024x768 works correctly ) ( 1366x768, +XVideo )
  • WiFi - brcm80211 driver, available from staging in 2.6.37 ( alternatives exist for older kernels )
  • backlight - requires samsung driver and restart ( available for example from deb http://ppa.launchpad.net/voria/ppa/ubuntu maverick main)
  • /proc/easy_slow_down_manager
    Out of the box:
  • suspend/resume
  • ethernet eth0
  • webcam (?) @ 640x480
Power usage: 7.8W - 11.8W

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