emilyg Posted April 25, 2009 Share Posted April 25, 2009 Hi, I've bought two TWIN2X4096-6400C5 kits (so the total is 8Gb) as we need it for our work. I've got this on a P5WDH motherboard with the latest BIOS and also have a E6750 installed. However running everything at AUTO i get wierd/inconsistent clock speeds. Whats the best way to configure this board to go with the Corsair ram? At the moment I've got it at Overclock Profile FSB1333/DDR-667 and it boots at 2.66Ghz and PC4300 RAM. I also noticed that running Memtest will fail if I have all four sticks inside, where as 2 sticks (4Gb) will work OK (both were tested with one pass on each package). Do I need to bump up the voltage sent to the memory? The specifications state 1.8v for these. Any help is greatly appreciated. Link to comment Share on other sites More sharing options...
DerekT Posted April 25, 2009 Share Posted April 25, 2009 The load and access of 8GB of four modules is marked in comparison to 4GB of two modules. Download Memtest Version 2.11 from--->Hereand extract the ISO image. Burn the ISO image to an CD-ROM disk. Download CPU-z from Here .Please Enter your BIOS and set to these values, save and shut down.Try these settings: Configure System Frequency/Voltage AI Overclocking = ManualCPU Frequency = 333DRAM Frequency = 667MHzPerformance Mode = AutoPCI Express Frequency = 100PCI Clock Synchronization Mode = 33.33 Memory Voltage = 1.9vCPU Core Voltage = AutoFSB Termination Voltage = AutoMCH Chipset Voltage = 1.6vICH Chipset Voltage = Auto Advanced Chipset Settings Configure DRAM by SPD = DisabledDRAM CAS# Latency = 5DRAM RAS# Prechardge = 5DRAM RAs# to CAS# Delay = 5DRAM RAS# Activate to Precharge: 15DRAM Write recovery Time = 6 Leave all else on AUTO settings. Boot to the CD and allow a few passes. If stable, enter Windows and please post screenshots of CPU-z's CPU, Memory and SPD tabs. Link to comment Share on other sites More sharing options...
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