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Tue, 16 Feb 2021 15:56:28 -0500 (EST) Subject: Re: laptops To: freebsd-questions@freebsd.org References: <20210216134229.773fde3d@dismail.de> <20210216142751.01a2408f@dismail.de> From: Yuri Pankov Message-ID: <80d05318-fe50-ec1b-aa35-a5bd75d24f1b@yuripv.dev> Date: Tue, 16 Feb 2021 23:56:27 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210216142751.01a2408f@dismail.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4DgCv23qFcz3PTR X-Spamd-Bar: ++++++ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=yuripv.dev header.s=fm1 header.b=P2EcLCwd; dkim=pass header.d=messagingengine.com header.s=fm2 header.b=qCrPW/zv; dmarc=none; spf=pass (mx1.freebsd.org: domain of yuripv@yuripv.dev designates 66.111.4.221 as permitted sender) smtp.mailfrom=yuripv@yuripv.dev X-Spamd-Result: default: False [6.42 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; 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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. It's certainly possible with Lenovo Thinkpad P51.