ALPS GlidePoint not detected on dell inspiron

Stephen Montgomery-Smith stephen at
Mon Jan 24 22:58:58 UTC 2011

David DEMELIER wrote:
> Hello,
> A friend has a DELL Inspiron 1525 with an ALPS GlidePoint touchpad. We
> have added hw.psm.synaptics_support=1 in his /boot/loader.conf but it
> still detected as a standard ps2 mouse.
> Looking at sys/dev/atkbdc/psm.c :
>   461         { MOUSE_MODEL_GLIDEPOINT,       /* ALPS GlidePoint */
>   462           0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide },
> I'm guessing if his touchpad has 0xc0 as model, how can I check this?
> For the moment there is this in his dmesg:
> psm0:<PS/2 Mouse>  irq 12 on atkbdc0
> psm0: [GIANT-LOCKED]
> psm0: [ITHREAD]
> psm0: model GlidePoint, device ID 0
> Cheers,

I had the same issues with an ALPS glidepoint on a Dell Inspiron 1525. 
I think it is different than a synaptics.  I don't know what problem you 
are trying to solve, but if you are trying to switch off the "tapping 
the touchpad" feature, I found an unusual solution two years ago: look 

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