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Computer freezes... compatibility problem?


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Just newly upgraded my computer with the Asus P5Q Deluxe and Twin2X 4096-6400C5. The computer works very fine in Windows, 3Dmark 06 runs fine, but as soon as I start up a game it freezes like after about a minute. This usually only happens in newer games like Grid, Tomb Raider, Far Cry 2 and so on, but older games like Warcraft 3, and Company Of Heroes works perfectly :sigh!:


After trying a few things i removed one of the two 2gb stick, the problems disappeard, and it's been working perfectly for days. I switched the two sticks also, without porblems, so the conclution i came to is that they both work separately, but if i put them together it gets unstable.

I've tried a few things to fix it, but not been successfully so far :[pouts:


- Updated to newest bios (1702)

- Adjusted DRAM frequency, Timing and voltage

- Moved the sticks from A1,B1 to A2,B2

- Also tested the memory in another computer without any problems


Not shure what to do anymore, so I'll be happy for any suggestions :biggrin:

Starting to get a little tired of this now...

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Could it be something wrong with the motherboard?


How many sticks of DRAM do you have?


Download Memtest v2.11 from--->

and extract the ISO image. Burn the ISO image to an CD-ROM disk.

Download CPU-z from

Enter your BIOS, Load Setup Defaults, Save Setup Defaults and set to these values:

AI Overclock Tweaker

Configure System Performance Settings

Ai Overclock Tuner = Manual
CPU Ratio Setting = 9.5
FSB Frequency = 333
PCI-E Frequency = 100
FSB Strap to Northbridge = Auto
DRAM Frequency = Manual
DRAM CLK Skew on Channel A1 = Auto
DRAM CLK Skew on Channel A2 = Auto
DRAM CLK Skew on Channel B1 = Auto
DRAM CLK Skew on Channel B2 = Auto

DRAM Timing Control = Manual
DRAM Frequency = DDR2-800
DRAM Command Rate = 2N
DRAM Timing Control = Manual
CAS# Latency =  5
RAS# to CAS# Delay = 5
RAS# PRE Time = 5
RAS# ACT Time = 15
Row Refresh Cycle Time (tRFC) = 55 
All Else to Auto

DRAM Static Read Control = Auto
DRAM Read Training = Auto
Mem. OC Charger = Auto
AI Transaction Booster = Auto

CPU Voltage = Auto
CPU PLL Voltage = Auto
FSB Termination Voltage = Auto
DRAM Voltage = 1.9v
NB Voltage = 1.40v
SB Voltage = Auto
PCI-E SATA Voltage = Auto

Loadline Calibration = Auto
CPU Spread Spectrum = Disabled
PCIE Spread Spectrum = Disabled

Clock Over-Charging Voltage = Auto
Load Line Calibration = Auto
CPU GTL Voltage Reference = Auto
NB GTL Voltage Reference = Auto

Memory Remap - Enabled
Legacy USB = Disabled (For Memtest, Enabled After Memtest)

Shut the system down. Insert one stick of DRAM in slot 1 (Closest to the CPU) and run Memtest for two full passes. Remove that stick and insert the second stick and retest. Then insert one stick in slot 3 and run Memtest for two full passes. Finally, insert a stick in slot 1 and slot 3 and run Memtest for two full passes. When assured of stable DRAM, then enter Windows and Run CPU-z and post screenshots of CPU-z's CPU, Memory and SPD tabs.

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I have two ram sticks...


Those bios settings are exactly the ones that im using right now :)


I tried to run Memtest but this came up.

Have I done something wrong when i made the disc maybe?




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