LuMiWa lumiwa at
Tue Feb 16 19:27:57 UTC 2021

On Tue, 16 Feb 2021 22:15:46 +0300
Yuri Pankov <yuripv at> wrote:

> Pete Wright wrote:
> > 
> > 
> > On 2/16/21 10:42 AM, LuMiWa via freebsd-questions wrote:
> >> Hi!
> >>
> >> I did search FreeBSD Wiki/laptops but I didn't find the answer. I
> >> like to buy Thinkpad W541 or W550s (prefer W541) but I am not sure
> >> if will work on FreeBSD. I want it to connect external monitor
> >> which going through Nvidia graphics card which Optimus driver
> >> supposed it works on FreeBSD 13. I found that installation works
> >> on W520 and 530.
> > I have a different Thinkpad with Optimus graphics - a P43s.  It
> > mostly works, but have been pretty underwhelmed by the hybrid
> > graphics of Optimus systems.  Not just with FreeBSD, but from what
> > I gather its suboptimal on Linux as well.
> > 
> > To get it working on FreeBSD there is an open PR* that gets things
> > working, and I can drive specific apps with the Nvidia GPU (via the
> > "optirun" binary).  But there is a bit of level of effort getting
> > it to work until we can get this PR over the finish line since I
> > maintain a branch of the ports tree to just support the diffs in
> > this PR.
> > 
> > One other issue I have is with the overall design of the Optimus
> > design, the GPU is used to offload processing but the display is
> > still driven by the Intel i915 GPU.  Depending on your use-case
> > this may lead to reduced performance.  All in all I am very happy
> > with this thinkpad, but if I had a choice I would have chosen a
> > system with dedicated Nvidia or i915 GPU's rather than this hybrid
> > approach.
> I do not know what exactly "optimus" is, but e.g. in P51 I can select
> either "hybrid graphics" (i915) or "discrete graphics" (nvidia
> quadro). With the latter, I had no issues connecting external display.
> _______________________________________________

Thinkpad has Intel and Nvidia. I like to use just Nvidia Quadro if is
possible. I will do more research. Thank you. 

“Two things awe me most, the starry sky above me and the moral law
within me.”

Immanuel Kant

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