Please, need some help to make my settings stable... I can boot, use windows normally, but this morning i went to work and leave ORTHOS running (Blend test) when i come back my computer had a BSOD and now i don`t know which settings i can change... any suggestion?

Pc specs:
Intel E8500 @ 4.0GHZ (Trying more)
GA-P45-UD3P Bios F6
4x1GB OCZ Reaper HPC PC8500
Seagate 500GB 7200.11
ASUS ATI HD3650 512MB Silent
True 120 / Scythe S-FLEX
CoolerMaster RealPower 520W
Antec Nine Hundred
MACOSX Leopard 10.5.5 / Windows Vista Business 32bits

Code:
******Gigabyte EP45 UD3P******

E8500 500 X 8 4000MHz 

Robust Graphics Booster.........................[ Auto     ] 
CPU Clock Ratio.................................[ 8        ] 
Fine CPU Clock Ratio............................[ 0        ] 
CPU Frequency 4.0GHz...........................[ 500 x 8  ]

******Clock Chip Control******

CPU Host Clock Control..........................[ Enabled  ] 
CPU Host Frequency (Mhz)........................[ 500      ] 
PCI Express Frequency (Mhz).....................[ 100      ] 
C.I.A 2 [Disabled] 

******Advanced Clock Control******

CPU Clock Drive.................................[ 800mv   ] 
PCI Express Clock Drive.........................[ 900mv   ] 
CPU Clock Skew..................................[ 0ps     ] 
MCH Clock Skew..................................[ 100ps     ] 

******DRAM Performance Control******

Performance Enhance.............................[ Standard ] 
Extreme Memory Profile (XMP)....................[ Disabled ] 
(G) MCH Frequency Latch.........................[ 400MHz   ] 
System Memory Multipler.........................[ 2.00D    ] 
Memory Frequency 1066...........................[ 1000      ] 
DRAM Timing Selectable..........................[ Manual   ] 

CAS Latency Time................................[ 5        ] 
tRCD............................................[ 5        ] 
tRP.............................................[ 5        ] 
tRAS............................................[ 15       ] 

******Advanced Timing Control******

tRRD............................................[ 3        ]
tWTR............................................[ 3        ]
tWR.............................................[ 4        ]
tRFC............................................[ 45       ]
tRTP............................................[ 3        ]
Command Rate (cmd)..............................[ 2T       ]

******Channel A Timing Settings******     

Static tRead Value        [ 8 ] ................[ Auto     ] 
tRD Phase0 Adjustment     [ 1 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 8 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 8 ] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 7 ] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel A Driving Settings****** 

Drive Strength Profile..........................[  Auto     ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Channel B Timing Settings******     

Static tRead Value        [ 8 ] ................[ Auto     ] 
tRD Phase0 Adjustment     [ 1 ] ................[ Auto     ]
tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 

tRD 2rd (Differnt Rank)   [ 8 ] ................[ Auto     ]
tWR 2wr (Differnt Rank)   [ 8 ] ................[ Auto     ] 
tWR 2rd (Differnt Rank)   [ 7 ] ................[ Auto     ] 
tRD 2wr (Same/Difft Rank) [ 9 ] ................[ Auto     ] 

Dimm 1 Clock Skew Control.......................[ Auto     ] 
Dimm 2 Clock Skew Control.......................[ Auto     ] 
DDR Write Training..............................[ Auto     ] 

******Channel B Driving Settings****** 

Drive Strength Profile..........................[ Auto     ] 
Data Driving Pull Up Level......................[ Auto     ] 
cmd Driving Pull Up Level.......................[ Auto     ] 
ctrl Driving Pull Up Level......................[ Auto     ]
clk Driving Pull Up Level.......................[ Auto     ]

Data Driving Pull Down Level....................[ Auto     ] 
cmd Driving Pull Down Level.....................[ Auto     ] 
ctrl Driving Pull Down Level....................[ Auto     ] 
clk Driving Pull Down Level.....................[ Auto     ]

******Motherboard Voltage Control******

Load-Line Calibration...........................[ Disabled ]
CPU Vcore         [ 1.25000 ]...................[ 1.35]
CPU Termination   [ 1.20    ]...................[ 1.3  ]
CPU PLL           [ 1.50    ]...................[ 1.570   ]  
CPU Reference     [ 0.760   ]...................[ Auto     ] 

MCH Core          [1.100    ]...................[ 1.32   ]  
MCH Reference     [0.760    ]...................[ 0.768     ] ET6 Show 0.700
MCH/DRAM Refernce [0.900    ]...................[ Auto     ] 
ICH I/O           [1.500    ]...................[ 1.500     ] 
ICH Core          [1.100    ]...................[ 1.100   ] 

DRAM Voltage      [1.800    ]...................[ 2.140    ] 
DRAM Termination  [0.900    ]...................[ Auto   ] 
Channel A Ref     [0.900    ]...................[ Auto     ] 
Channel B Ref     [0.900    ]...................[ Auto     ]  

******Advanced BIOS Features******

Limit CPUID Max to 3............................[ Disabled ] 
No-Execute memory Protect.......................[ Enabled  ]  
CPU Enhance Halt (CIE)..........................[ Disabled ]  
C2/C2E State Support............................[ Disabled ]  
C4/C4E State Support............................[ Disabled ] 
CPU Thermal Monitor.............................[ Enabled  ] 
CPU EIST Function...............................[ Disabled ] 
Virtualization Technology.......................[ Enabled  ]

*******Integraed Peripherals******
Legacy USB Storage Detect.......................[ Disabled  ]