FC4 Kernel 2.6.14-1.1656_FC4smp shows wrong clock rate on Opteron 875

[Joachim Backes [RHRK]]

Hi,

I'm running a Sun Fire V40Z server with 4xAMD Opteron 875 dual core 
(2.2Ghz). But looking for /proc/cpuinfo
shows for example for each (of eight) processors:
=========================================
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 33
model name      : Dual Core AMD Opteron(tm) Processor 875
stepping        : 0
cpu MHz         : 997.281
cache size      : 1024 KB
physical id     : 3
siblings        : 2
core id         : 1
cpu cores       : 2
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 ht syscall nx mmxext 
fxsr_opt lm 3dnowext 3dnow pni lahf_lm cmp_legacy
bogomips        : 1994.18
=============================================
I'm wondering about the clock 997 Mhz, because each processor should run 
with 2.2 Ghz.
Is this a display problem only, or does each processor core really run 
with 0.9 Ghz rate?

Any help appreciated.

Regards

-- 
Joachim Backes <joachim.backes at rhrk.uni-kl.de>
Registered Linux user #407492
University of Kaiserslautern,Computer Center [RHRK],
Systems and Operations, High Performance Computing,
D-67653 Kaiserslautern, PO Box 3049, Germany
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Phone: +49-631-205-2438, FAX: +49-631-205-3056
http://hlrwm.rhrk.uni-kl.de/home/staff/backes.html