Finally , i found one good retail SandyBridge last week .
1485 BIOS is the best one for Extreme benching on M4E .
Nv Driver 270.61 improved nothing on 3Dmark 03 which compared with 266.58 .
Hardwares :
PSU : Antec HCP1200w
Mobo : Asus Maximus IV Extreme B3
Vga : Asus GTX580 CUII
Ram : Kingston 2133 CL9 2GBx2
HDD : Kingston V+256GB SSD
Pot : Kingpin F1 CPU & F1 Fat GPU
OS : windows xp 270.61 NVdriver
Fan : BITWIN 6000RPM Fan
6000RPM fan for VRM area cooling .
3Dmark03 Single GPU 183K
CPU : 5935 Mhz
GPU : Core: 1657 MHZ Mem: 2500MHZ
Will try 275 driver next days
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