[Bug 18425] New: AMD Cool'N'Quiet Lowers CPU Mhz

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Mon Oct 24 23:00:08 UTC 2005

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Ubuntu | UNKNOWN

           Summary: AMD Cool'N'Quiet Lowers CPU Mhz
           Product: Ubuntu
           Version: unspecified
          Platform: amd64
        OS/Version: other
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: UNKNOWN
        AssignedTo: debzilla at ubuntu.com
        ReportedBy: damollitor at comcast.net
         QAContact: kubuntu-bugs at lists.ubuntu.com

cat /proc/cpuinfo 
And this was my output: 
processor       : 0 
vendor_id       : AuthenticAMD 
cpu family      : 15 
model           : 31 
model name      : AMD Athlon(tm) 64 Processor 3000+ 
stepping        : 0 
cpu MHz         : 1169.790 
cache size      : 512 KB 
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 fxsr_opt lm 
3dnowext 3dnow 
bogomips        : 2311.96 
TLB size        : 1024 4K pages 
clflush size    : 64 
cache_alignment : 64 
address sizes   : 40 bits physical, 48 bits virtual 
power management: ts fid vid ttp 
<b>cpu MHz         : 1169.790</b> 
This chip is rated at 1.8Ghz and I have OCed it to 2.1Ghz.  So why does 
Kubunutu report it otherwise? 
When I turned off AMD Cool'N'Quiet in my BIOS, that seemed to correct the 
Also, I noticed my MOBO is showing an error code on its diagnostic LCD.  I 
have not been able to decode its meaning though.  It is an Epox EP-9NDA3J 
board error "A8".  I know the MOBO is not the problem because it does not 
display this error in WinXP, only Kubuntu. 
The error code persists even with Cool'N'Quiet disabled.

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