Date: Tue, 20 Jan 2004 09:10:26 -0600 From: Eric Anderson <anderson@centtech.com> To: John Kennedy <jk@jk.homeunix.net> Cc: freebsd-current@freebsd.org Subject: Re: Shuttle SB75G2 Message-ID: <400D44E2.208@centtech.com> In-Reply-To: <20040120144733.GB52386@memnoch.jk.homeunix.net> References: <20040119063209.GA27591@memnoch.jk.homeunix.net> <20040120030935.GA42673@memnoch.jk.homeunix.net> <20040120144733.GB52386@memnoch.jk.homeunix.net>
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John Kennedy wrote: > Sitting at the BIOS, CPU is ~38 degrees Celsius and system is 31. Not >quite sure which one ACPI is getting, but seems closer to system. In any >case, temperature measurement goes from 3002 to 3202 before freezing (10 >second increments), or about 27.05 Celsius (300.2 Kelvin) thru 47.05 >Celsius (320.2). > > The system looks like it thinks high temp kicks in at 68 Celsius. > > At the moment, I can't lay my hands on any CPU documentation that says >what the optimal temperature range is. > I think for most Intel CPU's, they say 100C is the max cpu core temp. About 70C is "average to heavy usage". > Tue Jan 20 06:03:35 GMT 2004 > hw.acpi.thermal.tz0.temperature: 3202 > hw.acpi.thermal.tz0.active: -1 > hw.acpi.thermal.tz0.thermal_flags: 0 > hw.acpi.thermal.tz0._PSV: 3632 > hw.acpi.thermal.tz0._HOT: -1 > hw.acpi.thermal.tz0._CRT: 3732 > hw.acpi.thermal.tz0._ACx: 3582 -1 -1 -1 -1 -1 -1 -1 -1 -1 > > Assuming the PSV means passive cooling marker, the CRT means critical temp mark, and AC is active cooling marker, I don't have any idea what HOT is - so: Passive cooling up till 3632, or 90C Active cooling until 3582, or 85C Critical state at 3732, or 100C The active/passive numbers look switched to me - unless I've misinterpreted the abbreviations (most likely). Eric -- ------------------------------------------------------------------ Eric Anderson Systems Administrator Centaur Technology All generalizations are false, including this one. ------------------------------------------------------------------
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