sven007, here is another one for you, check it out when you can. 410 x 8 (CPU multi 6x and 8x 410MHz, CPU running at 2460MHz to 3280MHz), 4 x 1GB Memory multi 2.40x DDR2-984MHz 4-4-4-12, Performance Enhance: Extreme. Windows XP x64. CPU Clock Ratio [ 8 ] CPU Host Clock Control [ Enabled ] CPU Host Frequency (MHz) [ 410 ] PCI Express Frequency (MHz) [ Auto ] CPU M/T [ Enabled ] CPU C1E [ Enabled ] CPU EIST function [ Enabled ] CPU TM2 [ Enabled ] No-execute memory protect [ Enabled ] System Voltage Control = Manual DDR2 OverVoltage Control = 2.2V PCI-E OverVoltage Control = Normal FSB OverVoltage Control = Normal (G)MCH OverVoltage Control = Normal CPU OverVoltage Control = Normal ----------------------------------- 412 x 8 (CPU multi 6x and 8x 412MHz, CPU running at 2472MHz to 3296MHz), 4 x 1GB Memory multi 2.40x DDR2-989MHz 4-4-4-12, Performance Enhance: Extreme. when the CPU OverVoltage Control in BIOS is set to Normal the CPU core voltage is equal to CPU Vid value, which is 1.27V for my E6750 processor. i can still go higher like 416x8 but then the Static tRead value needs to be move up to 6 (from 5) and memory bandwidth will drop quite a bit. so on my system 412x8 is top and best when setting the core voltage at Normal and also having the CPU C1E and CPU EIST functions to work properly.