Date: Thu, 2 Jun 2011 09:32:24 +0800 From: =?GB2312?B?sLLn9w==?= <sayyanfu@gmail.com> To: freebsd-mobile@freebsd.org Subject: Re: freebsd-mobile Digest, Vol 411, Issue 3 Message-ID: <BANLkTinb-9nWPY7HfODaGz5YSJC3s=7maQ@mail.gmail.com> In-Reply-To: <20110601120008.594EE1065704@hub.freebsd.org> References: <20110601120008.594EE1065704@hub.freebsd.org>
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Re:I like Dell xps 15,thinkpad is not good. 2011/6/1 <freebsd-mobile-request@freebsd.org>: > Send freebsd-mobile mailing list submissions to > =A0 =A0 =A0 =A0freebsd-mobile@freebsd.org > > To subscribe or unsubscribe via the World Wide Web, visit > =A0 =A0 =A0 =A0http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > or, via email, send a message with subject or body 'help' to > =A0 =A0 =A0 =A0freebsd-mobile-request@freebsd.org > > You can reach the person managing the list at > =A0 =A0 =A0 =A0freebsd-mobile-owner@freebsd.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of freebsd-mobile digest..." > > > Today's Topics: > > =A0 1. Re: Any experience with ThinkPad T420/T520 =A0(Kevin Oberman) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 31 May 2011 08:22:43 -0700 > From: "Kevin Oberman" <oberman@es.net> > Subject: Re: Any experience with ThinkPad T420/T520 > To: bschmidt@freebsd.org > Cc: freebsd-mobile@freebsd.org > Message-ID: <20110531152243.5BB791CC0D@ptavv.es.net> > >> Sender: Bernhard Schmidt <bschmidt@techwires.net> >> From: Bernhard Schmidt <bschmidt@freebsd.org> >> Date: Tue, 31 May 2011 07:56:19 +0200 >> >> On Monday, May 30, 2011 18:54:31 Kevin Oberman wrote: >> > > Sender: Bernhard Schmidt <bschmidt@techwires.net> >> > > From: Bernhard Schmidt <bschmidt@freebsd.org> >> > > Date: Mon, 30 May 2011 09:15:53 +0200 >> > > >> > > On Sunday, May 29, 2011 18:53:43 Kevin Oberman wrote: >> > > > I'm about to order =A0new laptop and I am looking at a Lenovo Thin= kPad >> > > > T520. Does anyone have experience with this model? Anything that s= hould >> > > > cause alarm? I plan on getting the nVidia 4200N graphics which sho= uld >> > > > work with the nVidia driver. >> > > >> > > What's the current state of "Optimus" support? Last time I've >> > > checked the NVIDIA driver had no support for that so you might >> > > be stuck with the Intel GPU. >> > > >> > Oops! I typed too quickly. I just found te thread on Optimus support a= nd >> > I'm scanning it now. >> >> Honestly, I have no clue about the details. The only thing I know >> is that there are 2 ways to switch between GPUs, a real hardware >> switch (which should work on every system) and plain software, which >> didn't last time I've checked, on either Linux or FreeBSD. That >> bothered me quite a bit, decided to buy a "gamer notebook" which >> clearly stated that it has no Optimus therefore. > > Bernhard, > > I have spent some time researching this and it looks like it is partly > resolved under Linux. (They call it solved, but it's really a kludge > that I would hardly call a final resolution). The "fix" is mostly to > ACPI and very Linux specific, as far as I can tell. Not that doing the > same under FreeBSD would not be possible, but it will take some work by > someone with both more ACPI and graphics knowledge than I have. > > I decided to save a few bucks and ordered the T520 without the nVidia... > Just straight Intel which will be pretty limited, too, until the KMS and > GEM work is available. Sigh. > > Thanks again for the heads up! > -- > R. Kevin Oberman, Network Engineer > Energy Sciences Network (ESnet) > Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) > E-mail: oberman@es.net =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Phone: +1 510 4= 86-8634 > Key fingerprint:059B 2DDF 031C 9BA3 14A4 =A0EADA 927D EBB3 987B 3751 > > > ------------------------------ > > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to "freebsd-mobile-unsubscribe@freebsd.org" > > End of freebsd-mobile Digest, Vol 411, Issue 3 > ********************************************** >
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