Funny, I only have the upper frequencies available, not the real power saving one (1000 MHz), see below. I think it's a BIOS problem, have a Shuttle ST20G5. Don't know the BIOS version ATM, nor if it's the newest (probably not, changed it several weeks ago), but it's DC-ready at least.
Modules: powernow-k8 cpufreq_powersave cpufreq_ondemand cpufreq_userspace cpufreq_stats freq_table uname -r: 2.6.12-1-k7-smp (yeah I know, IA32 ;) yours, Sönke cpufrequtils 0.3: cpufreq-info (C) Dominik Brodowski 2004 Report errors and bugs to [EMAIL PROTECTED], please. analyzing CPU 0: driver: powernow-k8 CPUs which need to switch frequency at the same time: 0 1 hardware limits: 1.80 GHz - 2.20 GHz available frequency steps: 2.20 GHz, 2.00 GHz, 1.80 GHz available cpufreq governors: userspace, ondemand, powersave, performance current policy: frequency should be within 1.80 GHz and 1.80 GHz. The governor "powersave" may decide which speed to use within this range. current CPU frequency is 1.80 GHz. analyzing CPU 1: driver: powernow-k8 CPUs which need to switch frequency at the same time: 0 1 hardware limits: 1.80 GHz - 2.20 GHz available frequency steps: 2.20 GHz, 2.00 GHz, 1.80 GHz available cpufreq governors: userspace, ondemand, powersave, performance current policy: frequency should be within 1.80 GHz and 1.80 GHz. The governor "powersave" may decide which speed to use within this range. current CPU frequency is 1.80 GHz.