[ltp] Dual external monitors with X220?

James Macpherson linux-thinkpad@linux-thinkpad.org
Mon, 14 Jan 2013 11:11:01 +1100

On 14/01/13 10:45, Micha Feigin wrote:
> The internal GPU (intel gma 4000) only supports two displays I 
> believe, which means either two external or one internal and one 
> external. It will not drive three displays (hardware limitation).
The GPU in question in this thread is Intel's HD3000 on the x220.

Ivy Bridge's HD4000 supports 3 displays (confirmed with a mini-itx board 
in the office).

So assuming Lenovo wired it all up the same way, the GPU on the *X230* 
should support 3 displays simultaneously, but the *X220* only 2.