I need help getting my E8500 to 4.275ghz, my EP45-UD3R is using the F12 BIOS

Code:
MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio .......................: 9
Fine CPU Clock Ratio...................:.0.5
CPU Frequency .........................: 4.275GHz (450*9.5)


Clock Chip Control
Standard Clock Control
CPU Host Clock Control.................: [Enabled]
CPU Host Frequency (Mhz) ..............: 450
PCI Express Frequency (Mhz) ...........: 100

C.I.A.2 .................................:[Disabled]


CPU Clock Drive........................: 800
PCI Express Clock Drive................: 900
CPU Clock Skew (ps)....................: 50
MCH Clock Skew (ps)....................: 0


DRAM Performance Control
Performance Enhance....................: [Extreme]
Extreme Memory Profile (X.M.P.)........: Profile 2
(G)MCH Frequency Latch.................: AUTO
System Memory Multiplier ..............: 2.00D
Memory Frequency (Mhz) ................: 900
DRAM Timing Selectable ................: [Auto]

Motherboard Voltage Control
Voltage Type.………... Manual
LLC....................................: [Enabled]
CPU Vcore….……….........................: 1.38125v
CPU Termination….......................: 1.28v
CPU PLL………………….........................: 1.5v
CPU Referen.………….......................: 0.795v
MCH/ICH
MCH Core…………….....1.100V...............: 1.36v
MCH Reference….…….0.800V...............: 0.790
MCH/DRAM Ref.…......0.900V.............: Normal
ICH I/O……………….....1.500V...............: Normal
ICH Core…………...……1.100V................: Normal

DRAM
DRAM Voltage ……....1.800V..............: 2.000V
DRAM Termination .…0.900V..............: Normal
Channel A Reference 0.900V.............: Normal
Channel B Reference 0.900V.............: Normal
i can run prime95 for about 10 minuets until one core stops, and the highest CPU core temp is 63c