Date: Fri, 12 Jan 2001 08:04:31 -0500 (EST) From: Peter Dufault <dufault@hda.hda.com> To: current@freebsd.org Subject: Re: Fan speed control sony vaio lx800 slimtop Message-ID: <200101121305.f0CD5kx23941@hda.hda.com> In-Reply-To: <200101102148.f0ALmog00877@mass.osd.bsdi.com> from Mike Smith at "Jan 10, 2001 01:48:50 pm"
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> > Would I have to do anything special to see it? If anyone has any > > other ideas of what to do let me know - I'm wondering if throttling > > down the CPU turns down the fan. > > It's possible that the EC is solely responsible for the fan, or that > Sony decided in their infinite wisdom to do it all in a driver somewhere. I have a new theory - do we need to enable some sort of suspend on halt for Intel chips? I see we do this for various cyrix chips, and I saw in a search that pentiums with MMX have "auto halt" and "low power on auto halt" options: http://www-student.informatik.uni-bonn.de:8001/~petera/lpp/ Do we enable these? I don't see any CPU_SUSP_HLT options in initcpu.c for Intel chips. Chip is > CPU: Pentium III/Pentium III Xeon/Celeron (801.82-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0x686 Stepping = 6 > Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> Peter -- Peter Dufault (dufault@hda.com) Realtime development, Machine control, HD Associates, Inc. Fail-Safe systems, Agency approval To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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