Date: Mon, 29 Mar 2010 20:51:23 +0000 From: Brandon Gooch <jamesbrandongooch@gmail.com> To: Jan Henrik Sylvester <me@janh.de> Cc: Rui Paulo <rpaulo@freebsd.org>, mobile-list freebsd <freebsd-mobile@freebsd.org> Subject: Re: Thinkpad T510: LAN? CPU-C3? Message-ID: <179b97fb1003291351m38489be0qae92ce8695ca838e@mail.gmail.com> In-Reply-To: <4BB1114E.5050503@janh.de> References: <4BB07F1E.1000009@janh.de> <0856C313-7EB9-4EE0-A5BB-2DA580147F6B@freebsd.org> <862AB6B2-EA52-4ACB-B373-16F4B8AD3A68@freebsd.org> <4BB0F852.2060804@janh.de> <4BB1114E.5050503@janh.de>
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On Mon, Mar 29, 2010 at 8:45 PM, Jan Henrik Sylvester <me@janh.de> wrote: > On 03/29/2010 20:58, Jan Henrik Sylvester wrote: >> >> On 03/29/2010 18:22, Rui Paulo wrote: >>> >>> On 29 Mar 2010, at 15:56, Rui Paulo wrote: >>> >>>> On 29 Mar 2010, at 11:21, Jan Henrik Sylvester wrote: >>>> >>>>> I would like to use FreeBSD on a Thinkpad T510. I installed 8-STABLE >>>>> (since iwn got 6000 support after 8.0-RELEASE). >>>>> >>>>> *** Not working: (Any ideas?) >>>>> >>>>> - LAN: The Intel ethernet card (class=0x020000 card=0x215317aa >>>>> chip=0x10ea8086 rev=0x06 hdr=0x00) is not working. >>>> >>>> This seems an Intel card. Which Linux driver do you use to get this >>>> working? >>> >>> Actually, this seems to be supported by if_em(4). >> >> I guess it should be E1000_DEV_ID_PCH_M_HV_LM, which is in e1000_hw.h >> and there is "case E1000_DEV_ID_PCH_M_HV_LM" in e1000_api.c, but nothing >> in if_em.c for 8-STABLE. Revision 200243 has brought it to CURRENT on >> Dec-8, but that one did not get MFCed to 8-STABLE. I wonder if that was >> on purpose. (I put jfv@ on Cc, who did the commit.) >> >>>>> - CPU-C3: No C3 (dev.cpu.0.cx_supported: C1/3 C2/245) for i7-620M. >>>>> Battery life will not be good without C3, and Turbo Boost will not >>>>> work either. (Apparently, Linux got C3 support on a quick boot with >>>>> a live CD.) >>>> >>>> Did you try removing the power cord? Sometimes C3 is hidden and only >>>> shows up when the power cord is unplugged. >> >> (I definitely should have put in the battery before pulling the power >> cord...) >> >> Unplugging the power while running FreeBSD does not change the sysctl. >> Or would I have to boot on battery? That would severely restrict the >> use. (I will try that later.) >> >> Turbo Boost requires C3 and is not a feature that is typically used on >> battery. > > Booting on battery did not give me C3, either. What can I do next? > > Cheers, > Jan Henrik Take a look at this: http://wiki.freebsd.org/TuningPowerConsumption I've used this guide to get C3 working on several notebooks... -Brandon
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