Martin Pool's blog

ACPI on an Evo N610c

I have an Evo N610c that I am trying to get working with Linux.

This machine doesn't have useful APM support, so power management will only work with ACPI. If you run a kernel with APM, it will work fine on AC power, but lock up fairly quickly when suspended, as other people have documented.

The stock 2.4.21 ACPI support doesn't recognize enough of the hardware to be useful. Possibly an ACPI patch for 2.4.21 would make it work, but I'd like to stay with a maintstream kernel if I possibly can.

2.6.0test2 looks more promising: it will detect all the hardware, can control the fans from software, and does not crash. It can even do an orderly shutdown when the power button is pressed, courtesy of acpid. However it cannot suspend yet, either through ACPI or swsup. It needs more investigation.

2.6.0test2 also recognizes the touchpad/clitmouse, but gpm and X11 don't see the events from it. Apparently the Synaptics touchpad is like a PS/2 mouse, but not quite the same. Strangely enough it did work with the plain ps2 driver in 2.4, so perhaps something is broken in Synaptics support.

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