Dell Latitude C640
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Specification
CPU: 1,8 Ghz
RAM: 256 Mb
HDD: 20 Gb
LCD: 1024x768 ( don't know exactly)
Video: Ati Radeon Mobility 7500 - 32 Mb shared memory
Kernel
Get the suspend2 enabled kernel:
pacman -S kernel26suspend2
Now we have to make the initrd image which is loaded after kernel booting. Use the command
mkinitcpio
and the instruction which appear after pacman-ing the suspend2 kernel
Then add the new kernel to LILO or GRUB (in my case Lilo). Be careful not to remove your old kernel, because of troubleshooting. Just add the new suspend2 enabled kernel to your bootloader and append the initrd (kernel26suspend2.img) image to it.
Audio
Should be automaticaly recognized.
- Assign your user to the "audio" group so you have permission to adjust the volume
- Make sure you unmute all the channels using "alsamixer"
- use the command
alsactl store
to save your alsa settings. Make sure you execute
/etc/rc.d/alsa start
in the boot process. I do this at the end of the boot process, because otherwise the settings of mixer are not being restored.
Xorg
- Get the Ati open source driivers, since the proprietary driver does not support radeon 7500:
pacman -S xf86-video-ati
- Afterwords ensure you have the following modules loaded by issuing "lsmod"
- intel_agp
- agpgart
- radeon
If there is no any, make shure you load them in the above order.
- Configure your X:
xorgconfig
Your acceleration should be automaticaly recognized.
Network
PCMCIA
In order to use the PCMCIA load the module
modprobe yenta_socket
Wireless
- I use wireless pcmcia wireless card with RaLink chipset
- Get the kernel module:
pacman -S rt2500-suspend2
ACPI
I use APM instead of ACPI, because my Fn+Fx laptop keys don't work under ACPI. The only problem is that the laptop doesn't shut down, but only halt.