On 06/02/11 08:40, Alex wrote: > Hi, > >> cat >> cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit >> >> and i can see it as max cpufreq. >> >> i am a bit confused. windows shows it correctlxy and the linux system >> is as slow as 2700 MHZ :) > I'm having a similar problem. My Athlon X6 1090T is overclocked from > 3200 to 3700, yet appears to be running at 800mhz. I've stopped > /etc/init.d/cpufreq, but where the monitor usually shows 3200 when > it's stopped, now it's showing 800. > > processor : 5 > vendor_id : AuthenticAMD > cpu family : 16 > model : 10 > model name : AMD Phenom(tm) II X6 1090T Processor > stepping : 0 > cpu MHz : 3200.000 > cache size : 512 KB > physical id : 0 > siblings : 6 > core id : 5 > cpu cores : 6 > apicid : 5 > initial apicid : 5 > fpu : yes > fpu_exception : yes > cpuid level : 6 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge > mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext > fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good > nonstop_tsc extd_apicid aperfmperf pni monitor cx16 popcnt lahf_lm > cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch > osvw ibs skinit wdt cpb npt lbrv svm_lock nrip_save > bogomips : 7449.19 > TLB size : 1024 4K pages > clflush size : 64 > cache_alignment : 64 > address sizes : 48 bits physical, 48 bits virtual > power management: ts ttp tm stc 100mhzsteps hwpstate [9] > > # cat /sys/devices/system/cpu/cpu0/cpufreq/bios_limit > 3200000 > > # dmesg |grep Detected > [ 0.000000] Detected 3724.112 MHz processor. > [ 5.144606] [drm] Detected VRAM RAM=1024M, BAR=256M > > How do you manually set the cpu speed? I've tried the cpuspeed > program, but I'm not sure how to use it. In order to fix the speed to > a certain frequency, you have to use the -a option: > > -a<AC file> > Sets the ACPI AC adapter state file and tells the program to set > the CPU cores to minimum speed when the AC adapter is disconnected. > (This is the default but is changeable by the '-D' option below). > > Where does this AC file come from? This is my desktop, not a laptop, > so there is no other option than to use the AC adapter. > > If I start /etc/init.d/cpuspeed, it will control the CPU, but it never > really seems to go above 800mhz, even when it should be necessary. > > Thanks, > Alex From the output of your /proc/cpuinfo, it shows your cpuspeed to be 3200.00 MHz, not 800MHz. Your bogomips is stated to be 7449.1 mips. Where are you seeing 800MHz? From a benchmark or other system file? Contrasting your /proc/cpuinfo with my old unicore Athlon64: processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 4 model name : AMD Athlon(tm) 64 Processor 3700+ stepping : 10 cpu MHz : 798.186 <<<<< This is my baddie :) cache size : 1024 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception: yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow bogomips : 1596.37 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management : ts fid vid ttp -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
