Page 1 of 1

dual monitor support on T420s with integrated only graphics

Posted: Thu Sep 01, 2011 11:20 am
by ljwobker
Anyone know the details on dual monitor support with an integrated-only gfx T420s?
Are there limitations on how many monitors and what resolutions are supported with the intel-only option?

I don't need graphics performance per-se, but I do want to run dual monitors at at least 1920x1200...

thanks...

Re: dual monitor support on T420s with integrated only graphics

Posted: Fri Sep 02, 2011 10:18 am
by zern
I believe the Intel on board graphics will only run 2 monitors concurrently. This would be the internal LCD and VGA/Display port output to one monitor with a max res of 1920x1200; or with the internal LCD disabled and two external displays (one via VGA one via DP).
See http://forums.lenovo.com/t5/T400-T500-a ... d-p/405297

If you got the Optimus discreet graphics option you can get 3 simultaneous displays. With a dock, 4!!!!
See http://support.lenovo.com/en_US/detail. ... MIGR-76617

Or you can always add a USB-DVI adaptor like this: http://download.lenovo.com/ibmdl/pub/pc ... ly2009.pdf

Re: dual monitor support on T420s with integrated only graphics

Posted: Fri Sep 02, 2011 9:03 pm
by ljwobker
Thanks, zern... next time I'm in Sydney, beers on me at the James Squire near darling harbour?

Re: dual monitor support on T420s with integrated only graphics

Posted: Sat Sep 03, 2011 8:35 am
by zern
You are welcome!
Thanks for the beer (in advance)!

Re: dual monitor support on T420s with integrated only graphics

Posted: Thu Sep 15, 2011 9:33 am
by lead_org
The intel GPU on the T420s can support 2560 x 1600 with the Displayport.