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  • Core i5-540M 2x 2.53GHz
  • 2048MB PC-1066 DDR3 RAM
  • 250GB 7200rpm WD Scorpio Black HDD
  • DVD+/-RW DL
  • NVIDIA Quadro NVS 5100M 1024MB
  • 5x USB (3x USB 2.0, 2x USB 3.0)/FireWire/Modem/Gb LAN/WLAN 802.11abgn/Bluetooth/eSATA
  • DisplayPort
  • ExpressCard/54 Slot and SmartCard Reader
  • 6in1 Card Reader (SD/MMC/MMCplus/MS/MS Pro/xD)
  • Webcam
  • 15.6" WXGA++ non-glare LED TFT (1600x900)
  • Windows 7 Professional (as if any of you would need this)
  • LiIon-Battery with 8 cells, 73Wh
  • 2.95kg


Energy management

Frequency scaling works using cpufrequtils, the right driver is acpi_cpufreq.

A kworker process seems to run at 100% on one core. To disable this add pcie_ports=compat to the kernel parameters (e.g. "kernel" line in GRUB's menu.lst).

USB 3.0 prevents suspend. To fix this make a file /etc/pm-utils/sleep.d/01fix_usb3:

case $1 in
suspend | hibernate) modprobe -r $MOD ;;
resume | thaw) modprobe $MOD ;;
*) echo “USB3 fix script: wrong argument $1” ;;

Screen brightness

For Backlight-Control with fn-F9/fnF10: "sudo gedit /usr/share/hal/fdi/information/10freedesktop/10-laptop-panel-hardware.fdi" add 8540p before 4410s in line 27. Reboot. Now the keys are working fine when using nvidia driver.

<match key="/org/freedesktop/Hal/devices/computer:system.hardware.product" contains_outof="8540p;4410s;4415s;4416s;Compaq 5X5">

The 8540p adjusts the backlight automagically to the brightness, a sensor measures. This can be turned off in BIOS.

Fingerprint reader

There seems to be an attempt to read the fingerprint sensor at

Hardware listing

Output of lsusb -v and lspci -v