On windows I have no problem undervolting the cpu...
Thank you very much
uname -r
3.7.9-2-ARCH
Code: Select all
cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 1.80GHz
stepping : 6
microcode : 0x18
cpu MHz : 1800.000
cache size : 2048 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe bts est tm2
bogomips : 3574.47
clflush size : 64
cache_alignment : 64
address sizes : 32 bits physical, 32 bits virtual
power management:
Code: Select all
# lsmod |grep phc
phc_intel 14512 1
mperf 1024 1 phc_intel
processor 24552 2 phc_intel
Code: Select all
# ls /sys/devices/system/cpu/cpu0/cpufreq/
affected_cpus phc_rawcontrols scaling_driver
bios_limit phc_version scaling_governor
cpuinfo_max_freq phc_vids scaling_max_freq
cpuinfo_min_freq related_cpus scaling_min_freq
cpuinfo_transition_latency scaling_available_frequencies scaling_setspeed
phc_default_rawcontrols scaling_available_governors
phc_default_vids scaling_cur_freq
Code: Select all
cat /sys/devices/system/cpu/cpu0/cpufreq/*
0
1800000
1800000
600000
10000
cat: /sys/devices/system/cpu/cpu0/cpufreq/phc_default_rawcontrols: No such device
cat: /sys/devices/system/cpu/cpu0/cpufreq/phc_default_vids: No such device
cat: /sys/devices/system/cpu/cpu0/cpufreq/phc_rawcontrols: No such device
0.3.199-2
cat: /sys/devices/system/cpu/cpu0/cpufreq/phc_vids: No such device
0
1800000 1600000 1400000 1200000 1000000 800000 600000
conservative ondemand performance
1600000
acpi-cpufreq
conservative
1800000
600000
<unsupported>