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Trackpoint response improvement after disabling touchpad

Work/comment area for scripts and utilities like TP Fan, 2-finger scrolling, etc
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Trackpoint response improvement after disabling touchpad

#1 Post by brchan » Mon May 16, 2016 9:08 pm

I just discovered that disabling the touchpad in the BIOS makes the trackpoint response MUCH smoother and lag free. I tested this on a W530, T61 and X1 thinkpad, all with the same results. Does anybody know why?
Current Thinkpads: W530 (functional classic keyboard mod), X301, T61, T60, T43, A31p, T23, 600X, 770
Other: mk5 Toughbook cf-19, mk1 Toughbook cf-53

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Joined: Thu Jul 30, 2015 11:29 pm
Location: Boston, Massachusetts

Re: Trackpoint response improvement after disabling touchpad

#2 Post by TPFanatic » Tue May 17, 2016 12:10 am

Oddly some aspect of the palmrest/touchpad assembly controls the Trackpoint. With the palmrest cable disconnected in, say, a T42, you lose additional Ultranav options. I wonder how it works in Z61e and RXXe models which come without a touchpad, and thus no touchpad cable.
lenovo T420 i7 2670qm 16GB QHD + eGPU GTX 960
lenovo T430s i5 3230m 16GB QHD w/ optimus(RIP), lenovo T430 i5 3320m 8GB FHD, lenovo T500 P9700 8GB WUXGA(LED) w/ switchable graphics
Enable 2 finger scroll on old Synaptics touchpads with registry.

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