well, mr tapakah gave me the tip that utt ram are better for max. screens....
my test:
CPU: 3700+ SanDiego (0602GPMW) @ 1.300V*133%=~1.7V
Cooling: Fridge-Chiller @ -12°C
CPU-Temp: +15°C
RAM:
1st: 2x256mb bh5
2nd: 1x256mb bh5
3rd: noname 1x512mb
4th: an other 1x512mb noname ram
THE RESULTS:
1st: 3471mhz
2nd: 3471mhz
3rd: 3463mhz
4th: 3471mhz
not more mhz with the noname ddr-ram...