Heh...
this BIOS have option to disabled control of CPU speed... and it was on
by default.
All works well now.
[ 122.775236] powernow-k8: Found 1 AMD Athlon(tm) 64 X2 Dual Core Processor
4200+ processors (2 cpu cores) (version 2.20.00)
[ 122.774876] powernow-k8: 0 : fid 0xe (2200 MHz), vid 0x8
[ 122.774881] powernow-k8: 1 : fid 0xc (2000 MHz), vid 0xa
[ 122.774882] powernow-k8: 2 : fid 0xa (1800 MHz), vid 0xc
[ 122.774884] powernow-k8: 3 : fid 0x2 (1000 MHz), vid 0x12
** Changed in: linux (Ubuntu)
Status: New => Invalid
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can not use powernow_k8 and cpu freq dont work on amd 64 k8
https://bugs.launchpad.net/bugs/240018
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