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Overclocking a Conroe and Using Speedstep/cpufreq.

DISCUSSION byteFrame 3 participants 3 messages Jun 14, 2007 – Jul 3, 2007

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byteFrame

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#0 lore raw

Word up.

When I dont overclock my cpu (2.4 ghz) cpufreq works fine (with the ondemand governor) but when I overclock the cpu to 3.0 ghz in the bios, cpu freq doesnt work. They neccessary sys files arent in /sys/devices/system/cpu0/ etc etc. I had orginally been using the acpi cpu freq driver, but the "Enhanced Speedstep" inst working either (gonna try it without an option, but I doubt itll work)

Does anybody know anything about this? Ive been told it works in windows.

slackware 11 with kernel 2.6.21-ck2/conroe e6600(2.4 default)/ evga 680i motherboard

Thanks homies.

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#1 lore raw
Quoted 11 lines · byteFrame

Word up.

When I dont overclock my cpu (2.4 ghz) cpufreq works fine (with the ondemand governor) but when I overclock the cpu to 3.0 ghz in the bios, cpu freq doesnt work. They neccessary sys files arent in /sys/devices/system/cpu0/ etc etc. I had orginally been using the acpi cpu freq driver, but the "Enhanced Speedstep" inst working either (gonna try it without an option, but I doubt itll work)

Your BIOS only knows about speeds the chip is rated for.

Dave

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#2 lore raw

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so, BIOS have table with Frequency/Voltage pairs and NOT Multiplier/Voltage pairs ?

Quoted 13 lines · Dave Jones
Quoted 11 lines · byteFrame

Word up.

When I dont overclock my cpu (2.4 ghz) cpufreq works fine (with the ondemand governor) but when I overclock the cpu to 3.0 ghz in the bios, cpu freq doesnt work. They neccessary sys files arent in /sys/devices/system/cpu0/ etc etc. I had orginally been using the acpi cpu freq driver, but the "Enhanced Speedstep" inst working either (gonna try it without an option, but I doubt itll work)

Quoted 4 lines

Your BIOS only knows about speeds the chip is rated for.

Dave

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