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kocoman

macrumors 6502
Original poster
Dec 26, 2007
327
44
macbookpro8,1/8,2 sudden off fix. maybe its bad vrm i dont know but i manage to fix it using
echo 1800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu5/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu6/cpufreq/scaling_max_freq
echo 1800000 > /sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq
echo 650 > /sys/class/drm/card0/gt_boost_freq_mhz
echo 650 > /sys/class/drm/card0/gt_max_freq_mhz

does anyone have similar experience with other or this device? any way to limit like this in osx/win/coreboot?

thx
 
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