Oke, what the hell. I just reboted and now it is back again. The only thing I did this time before I reboted was setting the so called 'Lock reference divider minimum step...' off. When I had it on for the last few weeks the minimum step was 6.75 Mhz (4), if I recall it correct. Now it is suddently 2.25 Mhz (12), maybe that means something? It is now on again, but I think it is weird that the steps are not constant...
Here is the log btw:
2005-04-05 17:05:06 Temperature: GPU: 35.1°C GPU environment: 33.0°C
2005-04-05 17:05:16 Temperature: GPU: 35.4°C GPU environment: 33.0°C
2005-04-05 17:05:26 Temperature: GPU: 35.3°C GPU environment: 33.0°C
2005-04-05 17:05:36 Temperature: GPU: 35.4°C GPU environment: 33.0°C
2005-04-05 17:05:46 Temperature: GPU: 35.3°C GPU environment: 33.0°C
2005-04-05 17:05:56 Temperature: GPU: 35.3°C GPU environment: 33.0°C
2005-04-05 17:06:06 Temperature: GPU: 35.4°C GPU environment: 33.0°C
2005-04-05 17:28:51 ATITool v0.0.23 started.
2005-04-05 17:28:52 Detected GPU Chip: R420 (4A50), 16 Pipelines, 256 MB
2005-04-05 17:28:52 Temperature monitoring: LM63 detected
2005-04-05 17:28:52 Profile 'Default' loaded. Clocks set to: 520.00 / 560.00
2005-04-05 17:28:52 Temperature: GPU: 36.1°C GPU environment: 34.0°C
2005-04-05 17:29:02 Temperature: GPU: 36.1°C GPU environment: 34.0°C
2005-04-05 17:29:12 Temperature: GPU: 36.3°C GPU environment: 34.0°C
2005-04-05 17:29:22 Temperature: GPU: 36.0°C GPU environment: 34.0°C
2005-04-05 17:29:32 Temperature: GPU: 36.1°C GPU environment: 34.0°C
2005-04-05 17:39:23 ATITool v0.0.23 started.
2005-04-05 17:39:23 Detected GPU Chip: R420 (4A50), 16 Pipelines, 256 MB
2005-04-05 17:39:23 Temperature monitoring: LM63 detected
2005-04-05 17:39:24 Profile 'Default' loaded. Clocks set to: 520.00 / 560.00
2005-04-05 17:39:24 Temperature: GPU: 37.0°C GPU environment: 35.0°C
2005-04-05 17:39:34 Temperature: GPU: 36.9°C GPU environment: 35.0°C
2005-04-05 17:39:44 Temperature: GPU: 36.8°C GPU environment: 35.0°C
2005-04-05 17:39:54 Temperature: GPU: 36.5°C GPU environment: 35.0°C
I reboted after what... 30 hours or so... At 2005-04-05 17:28:51 I reboted the first time and I had all the weird things back (explained above), after a second reboot I at 2005-04-05 17:39:23 it was all gone again. It is very weird, because my wireless keyboard/mouse combo isn't working anymore. Freaking out a bit...