Use 1 DIMM only, and install it in DIMM_B2 and try these settings:
[code]Required System Specifications
PSU ( Power Supply Unit ) =750 Watt Corsair TX750W
CPU =Intel Core 2 Quad Q9450 2.667GHz 12MB FSB1333
RAM =Corsair XMS3 2x2GB DDR3-1333
HDD ( the one where you have your windows installation on ) =ST3500320AS
VGA1 =AS-EN9800GX2
VGA2 ( if you have ) =
VGA3 ( if you have ) =
SPU ( Sound Card ) =SupremeFX II Audio Card
NorthBridge Cooling =
SouthBridge Cooling =
CPU Cooling =Cooler Master Hyper TX2
RAM Cooling =
nFORCE Chipset Drivers Version =9.64
ForceWare/GeForce Drivers Version =175.16
Sound Card Drivers Version =5.10.01.6310
BIOS version 0801 REQUIRED
BIOS Settings
Extreme Tweaker
CPU Level Up = Auto
Memory Level Up = Auto
AI Overclock Tuner = Manual
CPU Multiplier = 8x
FSB - Memory Clock Mode = Linked
FSB - Memory Ratio = Sync Mode
FSB (QDR) MHz = 1333
MEM (DDR) MHz = 1333
LDT Frequency = 4x
PCIE Bus Slot 1 & 2 MHz = 100
PCIE Bus Slot 3 MHz = 100
SPP<->MCP Ref Clock, MHz = 200.5MHz
SLI-Ready Memory = Disabled
Memory Timing Setting
P1 = Auto
P2 = Auto
tCL ( CAS Latency ) = 9
tRCD = 9
tRP = 9
tRAS = 28
Command Per Clock (CMD) = 2T
tRRD = 9
tRC = 41
tWR = 12
tWTR = 27
tFAW = 41
tRD = 12
tRTP = 9
tRFC = Set it to 80 ( and after saving and exiting the BIOS, get back into the BIOS and check if under the "Current" line it's showing tRFC at 80, if not set the setting to Auto )
tREF = Auto
Over Voltage
CPU Voltage = 1.25V
Loadline Calibration = Enabled
CPU PLL Voltage = 1.6V
CPU VTT Voltage = 1.2V
Memory Voltage = 1.70V
NB Core Voltage = 1.5V
SB Core Voltage = 1.55V
CPU GTL REF0 Ratio = Auto
CPU GTL REF1 Ratio = Auto
CPU GTL REF2 Ratio = Auto
CPU GTL REF3 Ratio = Auto
NB GTL REF Ratio = Auto
DDR3 CHA1 Ref Volt = Auto
DDR3 CHB1 Ref Volt = Auto
DDR3 CHA2 Ref Volt = Auto
DDR3 CHB2 Ref Volt = Auto
CPU Configuration
CPU Internal Thermal Control = Disabled
Limit CPUID MaxVal = Disabled
Enhanced C1 (C1E) = Disabled
Execute Disable Bit = Disabled
Virtualization Technology = Disabled
Enhanced Intel SpeedStep(tm) Tech. = Disabled
CPU Core 2 = Enabled
CPU Core 3 ( Ignore this setting, unless you have a Quad-Core CPU ) = Enabled
CPU Core 4 ( Ignore this setting, unless you have a Quad-Core CPU ) = Enabled
Spread Spectrum Control
CPU Spread Spectrum = Disabled
PCIE Spread Spectrum = Disabled
MCP PCIE Spread Spectrum = Disabled
SATA Spread Spectrum = Disabled
LDT Spread Spectrum = Disabled
Once saved, try memtest86+ v2.01 test #5 for 40 loops ( if you get a error, stop the test ) [ press C -> 1 -> 3 -> 5 -> Enter -> 0 to set MemTest86+ to run loops of test #5 ]
If the stick passes memtest 40 loops test #5 error-free, shutdown and try the same with only the other stick.
If both sticks pass memtest fine, try using both sticks with the same settings in DIMM Slots A2 and B2.








i will be here when you get back 
), Juan J. Guerrero
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