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Linux on the ASUS L4500R Laptop


  • CPU: Pentium-M @ 1.4 GHz
  • Chipset: ATI IXP
  • Graphics: ATI Mobility Radeon 9100 IGP with 64 MB RAM (shared memory)
  • Display: 14" TFT @ XGA resolution (1024x768)
  • RAM: 256 MB (192 MB + 64 MB)
  • Harddisk: Hitachi IC25N040ATMR04-0 with 40 GB
  • Optical: built-in DVD/CD-RW drive (Toshiba SD-R2312)
  • Network: 100 MBit/s LAN (Broadcom BCM4401), 802.11b WLAN (Broadcom BCM4301/9).
  • Modem: AC97 Softmodem (Agere?)
  • Audio: ATI IXP, Head-Out, Line- and Mic-In
  • IrDA
  • Parallel port
  • VGA-Out
  • Firewire: 2 small ports (1394a)
  • USB: 4 ports (2.0). You can even boot from an attached USB harddisk
  • PC-Card: 1 slot
  • Weight (including batteries): approx. 3 Kg
  • Useable as CD player without booting an Operating System


You can reach the BIOS via F2. Hitting <ESC> on startup lets you choose between several boot devices (hard disk, cd, removable). Note that there is a new BIOS 0105A available from ASUS. You can use FreeDOS for flashing.


It was installed with Debian 3.0r2 Testing which was a rather painless procedure. Afterwards, kernel 2.6.6 with patches for SWSUSP, ACPI and DSDT-initrd was installed.



XFree86 does not run out of the box with the free radeon driver shipped with Debian. The easiest solution might be to include the repository for the dri-trunk in your /etc/apt/sources.list, see the dri project [archived link] for instructions.


The touchpad works with /dev/psaux. The standard ImPS/2 driver is good enough, even the scroll wheel is supported.


The console runs fine with vesafb at XGA.


Works well if you have the external monitor plugged in at boot time. You cannot switch between the various possible combinations of external/internal on/off. This might change, when the next version of acpi4asus is released.

PC Card

PCMCIA works out of the box with yenta_socket.



The network interface works just fine with the b44 driver.


Currently, there are theoretically two possibilities to make this chip running:

  • the free wrapper for Windows network drivers, ndiswrapper from the community
  • the commercial driverloader from Linuxant.

ndiswrapper 0.7 seems to work well, even with WEP "encryption". The commercial driver from Linuxant is untested.

Power and Configuration Management


ACPI seems to work. You do not need a patched DSDT but there are some erros showing up at boot.


Standby and Suspend-To-RAM have only been tested briefly and they do not seem to work. The machine wakes up at once in S1 and does not wake up at all from S3.


SWSUSP2 (, 2.6.6-test11) does not work well. It fails on resume, because some pages do not match. There was no time to investigate if tweaking suspend.conf to unload drivers and such would help.


The module speedstep-centrino should be chosen. The user-space daemon cpufreqd runs fine with it.


All Hotkeys work with the driver acpi_asus. They can be configured via the acpid, although the machine is unknown to acpi4asus 0.28. It works in compatibility mode to M2E just fine, with the exception of display switching. Proper data was sent to the maintainers of acpi4asus to have it fully supported with the next release.


Sound works with Advanced Linux Sound Architecture - ALSA driver snd-atiixp.


scanModem suggested to take the driver for 537 modems from Intel which does not work (Version 537EP Windows talks about Agere, but the driver ltmodem (Version 8.31alek) does not work either. The conexant (Version 04051300) and slmodem (Version 2.9.7) drivers do not work, too.

Infrared Port - IrDA(TM)


SIR seems to work fine on /dev/ttyS1.


No FIR driver available in the kernel sources seems to work.


The drive works fine on /dev/hdc, both reading and writing DVD/CD-RWs.


Works out of the box. Tested with USB Mouse and Harddisk (2.0).


The ohci1394 module loads fine, though FireWire was not really tested due to the lack of a proper device.

Survey PCI Devices

Output from lspci:

0000:00:00.0 Host bridge: ATI Technologies Inc: Unknown device 5830 (rev 02)
0000:00:01.0 PCI bridge: ATI Technologies Inc: Unknown device 5838
0000:00:13.0 USB Controller: ATI Technologies Inc: Unknown device 4347 (rev 01)
0000:00:13.1 USB Controller: ATI Technologies Inc: Unknown device 4348 (rev 01)
0000:00:13.2 USB Controller: ATI Technologies Inc: Unknown device 4345 (rev 01)
0000:00:14.0 SMBus: ATI Technologies Inc ATI SMBus (rev 18)
0000:00:14.1 IDE interface: ATI Technologies Inc: Unknown device 4349
0000:00:14.3 ISA bridge: ATI Technologies Inc: Unknown device 434c
0000:00:14.4 PCI bridge: ATI Technologies Inc: Unknown device 4342
0000:00:14.5 Multimedia audio controller: ATI Technologies Inc IXP150 AC'97 Audio Controller
0000:00:14.6 Modem: ATI Technologies Inc: Unknown device 434d (rev 01)
0000:01:05.0 VGA compatible controller: ATI Technologies Inc: Unknown device 5835
0000:02:05.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev b8)
0000:02:05.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C551 IEEE 1394 Controller
0000:02:06.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
0000:02:07.0 Network controller: Broadcom Corporation BCM4301 802.11b (rev 02)



  • Sebastian Henschel

TuxMobil: Linux with Laptops, Notebooks, PDAs, Mobile Phones and Portable Computers

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© Werner Heuser 1997-2015 · http://tuxmobil.org/asus_l4500r.html · last change Sat Oct 4 2008