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Here's some patches to run Linux-2.6.2 on AMD64 on boards with
VIA chipsets, such as emachines m6805 or m6807 laptop.
NOTE: These patches are now outdated, and are available for
reference only! Since around 2.6.7 things work fine in
the standard kernel.
Patch to fix cpufreq for powernow-k8
The problem is that the BIOS is buggy and claims the CPU max speed
is 1600MHz instead of 1800MHz. The available versions are:
linux-2.6.2-pre3
linux-2.6.4
linux-2.6.6
Pavel Machek's patch for fix PCMCIA with ACPI here.
This fixes the problem where plugging/unplugging the power cord
with yenta_socket hangs the machine.
Patch to fix IOAPIC on x86_64 VIA chipsets (Not needed since 2.6.6)
To turn on APIC, you also need to specify it in the kernel cmdline:
root=/dev/hda3 ro psmouse.proto=imps apic console=tty0
linux-2.6.5-rc2
To use the trackpad with X11, compile in the Synaptics support to
the kernel, and boot with psmouse.proto=imps command line option. X11
xfree-4.3.99.902 works with the Radeon 9600 Mobility card but
without DRI. My XF86Config is here. Use startx for regular layout,
and "startx -- -layout dual" for dual screen session.
If your machine hangs during boot with stuck keyboard errors like
"atkbd.c: Unknown key released ..." make sure you have the USB
compiled in, not as a module: CONFIG_USB_UHCI_HCD=y
My linux config for emachines m6805 here.
There a pretty good documentation on running Linux on m6805 on
thither's page.
There's also some useful information at the gentoo forum here.
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