我这块板子6*533也不稳啊,应该是BIOS没设置好.我的设置6*533,内存是Kingston KHX9600,1.8V就可以上1066
FSB strap 333
FSB 533
PCIE 101
DRAM DDR2-1068
Command Rate disabled
DRAM Timing auto
DRAM Static Read disabled
Transaction Boost auto
CPU voltage 1.200
PLL voltage 1.80
FSB voltage 1.40
DRAM Voltage 2.10
NB voltage 1.55
SB voltage 1.20
Clock Overcharge voltage 0.80
Load Line enabled
CPU GTL 0.63
NB GTL 0.61
CPU Spread disabled
NB Spread disabled