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Date:      Wed, 16 Dec 2015 13:48:19 +0300
From:      Anton Sayetsky <vsasjason@gmail.com>
To:        Adam Vande More <amvandemore@gmail.com>
Cc:        FreeBSD Questions <freebsd-questions@freebsd.org>
Subject:   Re: Looking for fully working Intel-based laptop
Message-ID:  <CAA2O=b9NjZHSpRWaPbYPGiZZQv9afR1Jp8Q+jq6ZwbmzTpOmdQ@mail.gmail.com>
In-Reply-To: <CA+tpaK0AveygWB1pBmoY2y1iC-4ruyrrbLBRjs1RNH6rtP-wWw@mail.gmail.com>
References:  <CAA2O=b9hswfOnbSuPc-n5Qm0Z1qZK-1+rJ7F1AoF83fAn4DeEg@mail.gmail.com> <CAA2O=b_kk1SGXFN2mn_JnCx=JNo_yJBNPqR1+7kx3OXw9fmqYw@mail.gmail.com> <CAA2O=b-X68CNVEfsfPip2Qj57Q3UMtxwgOuyi+7HYtg8EmRxdg@mail.gmail.com> <CAA2O=b_qhpmg9Qeoa+osgVvd9mzND3hoRxk6CaE1+sDD4fzuZw@mail.gmail.com> <CA+tpaK0xgzK=L4apgJJYnzU_VmBAUAbogD69bUpt50jc3bFgmA@mail.gmail.com> <CAA2O=b9cKuXMNVA85oBkD2kR6ctFt5Y7gDJdeW92MX7L_Rzr3A@mail.gmail.com> <CA+tpaK0AveygWB1pBmoY2y1iC-4ruyrrbLBRjs1RNH6rtP-wWw@mail.gmail.com>

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16 =D0=B4=D0=B5=D0=BA. 2015 =D0=B3. 1:07 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=
=BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C "Adam Vande More" <amvandemore@gmai=
l.com>
=D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:
>
> On Tue, Dec 15, 2015 at 3:31 PM, Anton Sayetsky <vsasjason@gmail.com>
wrote:
>>
>> > Dell Precision M6600
>> Thanks, I will take a look at this model.
>>
>> > acpi complains about SD controller coming out of resume, and doesn't
work after resume(it does before).  Since I don't use it, it's not an issue
for me.
>> I don't care about SD too, so this is not a problem.
>>
>> > I'm also not sure about "totally disable Intel graphics".   Obviously
you can just not load the driver, but that will not eliminate power
consumption.  I have the nvidia card for this laptop as well, but it isn't
physically installed so I cannot confirm it would work, although I expect
that it would.
>> I'll try to explain. Correct me if I wrong.
>> It's about so called nVidia Optimus. AFAIK, this works by doing
rendering on Intel or nVidia card, but the display output on Intel
unconditionally.
>
> I think it switches the output between them internally when stuff like 3D
is active.
Wiki says no - output is never switches:
>When a user launches an application, the graphics driver tries to
determine whether the application would benefit from the discrete GPU. If
so, the GPU is powered up from an idle state and is passed all rendering
calls. Even in this case, though, the integrated graphics processor (IGP)
is used to output the final image.
https://en.m.wikipedia.org/wiki/Nvidia_Optimus
So one can think "unfortunately, my Hasswell/Skylake IGP isn't supported
yet, so I will use nVidia with binary driver". Then he tries and has no
success because still required to load driver for IGP even if not uses it
directly.

>> Latest supported Intel graphics on FreeBSD is that comes with Ivy
Bridge. So if I will buy Haswell-based laptop, I won't get fully functional
video subsystem even if nVidia card is present. I'm also not sure if
disabling screen output through Intel is physically possible.
>
> This laptop is a Sandy Bridge and the low end Intel-only video
performance is excellent for all tasks I perform, the most demanding of
such would be playback of full HD video eg streaming 1920x1080 TrueColor.
I no lag, no stuttering, no distortion.  I suppose it's 3D isn't so good,
but I don't use it.
>
> I believe it probable Haswell support will be in 11.0, but not
guaranteed.  For my needs, Haswell/Broadwell doesn't provide much value
over Ivy Bridge and Sandy/Ivy Bridge models are still in a sweet spot for
used pricing.
>
> All in all it's a nice laptop which has allowed me to get rid of several
other systems.  However it is big and heavy.  It does not fit in standard
laptop carriers eg a laptop backpack, and it has a hypersensitive
touchpad.  But there aren't many laptops capable of of 32GB RAM along with
all its other power.



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