*****Bios soft menu setup*****
Fast Cpu Command : Fast
Enhance Chip : enabled
Force 4-way interleaving : enabled
Enable Dram 4K-page mode : enabled
Dram clock : HCLK+PCICLK
****Advanced Chipset Menu*******
All Banks on turbo
Bank Inter : 4way
SDRAM cycle : 2
Fast R-W turn around : enabled
System Bios Cacheacle: enabled
Fast Write: supported
Everything below that enabled
Those are the highest settings you can have. Getting it to 150Mhz would require the FSB to be 113, which is quite high for an Athlon platform. I'd just keep it at 133 and put all those high perf settings on.