El día Monday, December 21, 2009 a las 01:26:26PM +0100, Dag-Erling Smørgrav escribió: > Doug Barton <dougb_at_FreeBSD.org> writes: > > In the last weeks (I generally update to the latest HEAD daily) It > > seems that my -current laptop is running hot temperature wise, even > > when it's idle, or nearly so. The temperature sensor (via wmbsdbatt) > > generally stays in the 80s C, as opposed to the 70s, and the fan is > > regularly on its "medium" speed as opposed to the low speed. > > The maximum operating temperature for a Core 2 Duo is 75 C. The idle > temperature depends on environmental conditions, but a reasonable > working temperature under light use (reading your email and browsing the > web) would be 30 C. The numbers you quote are well beyond the point > where the CPU should start downstepping (and eventually shut down) to > protect itself. I'm running a Dell M4400 with dual-core CPU and an older 8-CURRENT: $ uname -a FreeBSD current.Sisis.de 8.0-CURRENT FreeBSD 8.0-CURRENT #1: Thu May 28 14:40:45 CEST 2009 guru_at_current:/usr/obj/usr/src/sys/GENERIC i386 $ sysctl -a | fgrep thermal hw.acpi.thermal.min_runtime: 0 hw.acpi.thermal.polling_rate: 10 hw.acpi.thermal.user_override: 0 hw.acpi.thermal.tz0.temperature: 68,5C hw.acpi.thermal.tz0.active: -1 hw.acpi.thermal.tz0.passive_cooling: 0 hw.acpi.thermal.tz0.thermal_flags: 0 hw.acpi.thermal.tz0._PSV: -1 hw.acpi.thermal.tz0._HOT: -1 hw.acpi.thermal.tz0._CRT: 107,0C hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 hw.acpi.thermal.tz0._TC1: -1 hw.acpi.thermal.tz0._TC2: -1 hw.acpi.thermal.tz0._TSP: -1 the actual 68,5C is with KDE up, but nearly idle system; what does hw.acpi.thermal.tz0._CRT: 107,0C mean? thx matthias -- Matthias Apitz t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211 e <guru_at_unixarea.de> - w http://www.unixarea.de/ Vote NO to EU The Lisbon Treaty: http://www.no-means-no.euReceived on Mon Dec 21 2009 - 11:39:14 UTC
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