Greetings, I have a new PC and I need help to get my overclock more stable!
I’ve run Prime95 for an hour and a half several times and everything is ok.
I’ve run OCTT many times and also 3Dmark and apparently all ok.
So, apparently it looks like I have a stable overclock but I don’t… because sometimes I restart my PC and when Windows begins to open it shows a blue screen and it restarts again. And sometimes when I’m working with windows, like, installing some program suddenly the screen turns blue again and restarts the pC.

I’m going to leave here the frame of my PC components and the bios settings of my PC:

QX9650
Asus Rampage Extreme
4x1GB CELLSHOCK PC3-15000 MICRON 8-8-8-16
SAPPHIRE HD 4870 X2 2048 MB GDDR5


Settings da bios do overclock Rampage Extreme 0701 Bios:

AI OVERCLOCK TUNER -------------------------MANUAL
OC FROM CPU LEVEL---------------------------AUTO
OC FROM MEMORY LEVEL UP---------------------AUTO
FSB FREQUENCY ------------------------------450
CPU RATIO SETTING --------------------------09
CPU CONFIGURATION
CPU CLOCK SKEW------------------------------AUTO
NB CLOCK SKEW ------------------------------AUTO
FSB STRAP TO NORTH BRIDGE-------------------333
PCIE FREQUENCY------------------------------101
DRAM FREQUENCY -----------------------------1801
DRAM COMAND RATE----------------------------2N
DRAM TIMING CONTROL-------------------------MANUAL
CAS LATENCY---------------------------------8
RAS TO CAS DELAY----------------------------7
RAS PRE TIME -------------------------------7
RAS ACT TIME--------------------------------20
RAS TO RAS DELAY----------------------------6
REF CYCLE TIME------------------------------82
WRITE RECOVERY TIME-------------------------12
READ TO PRE TIME----------------------------6
READ TO WRITE DELAY S/D---------------------9
WRITE TO READ DELAY S----------------------6
WRITE TO READ DELAY D----------------------6
READ TO READ DELAY S -----------------------4
READ TO READ DELAY D------------------------7
WRITE TO WRITE DELAY S----------------------4
WRITE TO WRITE DELAY D----------------------7
WRITE TO PRE DELAY--------------------------24
READ TO PRE DELAY---------------------------8
PRE TO PRE DELAY----------------------------1
ALL PRE TO ACT DELAY------------------------8
ALL PRE TO REF DELAY------------------------8
DRAM STATIC READ CONTROL--------------------DISABLED
DRAM DYNAMIC WRITE CONTROL------------------DISABLED
DRAM SKEW CONTROL
AI CLOCK TWISTER----------------------------STRONG
AI TRANSACTION BOOSTER----------------------MANUAL
COMMON PERFORMANCE LEVEL -------------------08
PULL-IN OF CHA PH1--------------------------DISABLED
PULL-IN OF CHA PH2--------------------------DISABLED
PULL-IN OF CHB PH1--------------------------DISABLED
PULL-IN OF CHB PH2--------------------------DISABLED
EPU II PHASE CONTROL------------------------AUTO
CPU VOLTAGE---------------------------------1.40625
LOAD-LINE CALIBRATION ----------------------ENABLED
CPU PLL VOLTAGEM----------------------------1.55081
FSB TERMINATION VOLTAGEM--------------------1.40491
CPU GTLVREF 0 ------------------------------60
CPU GTLVRED 1 ------------------------------60
CPU GTLVRED 2 ------------------------------60
CPU GTLVRED 3 ------------------------------60
NB GTLVRED ---------------------------------60
NORTH BRIDGE VOLTAGE------------------------1.55O72
DRAM VOLTAGEM ------------------------------1.98806
NB DDRVREF ---------------------------------AUTO
DDR3 CHANNEL A VREF-------------------------AUTO
DDR3 CHANNEL B VREF-------------------------AUTO
SOUTH BRIDGE 1.5 VOLTAGE--------------------1.55081
SOUTH BRIDGE 1.05 VOLTAGE-------------------1.07364
CPU SPREAD SPRECTRUM -----------------------DISABLED
PCIE SPREAD SPECTRUM------------------------DISABLED


ADVANCED
CPU CONFIGUTION
CPU RATION SETTING -------------------------09
C1E SUPORT----------------------------------DISABLED
CPU TM FUNCTION ----------------------------DISABLED
MAX CPUID VALUE LIMIT-----------------------DISABLED
VANDERPOOL TECHNOLOGY-----------------------DISABLED
EXECUTE DISABLED BIT------------------------DISABLED
CORE MULTI- PRECESSING----------------------ENABLED


Ps- if there’s someone out there with a PC with the same settings or similar and has the overclock stable, please share your overlock settings and I would appreciate a lot any advice or corrections of settings for stabilizing my overclock.