darkomen Posted October 22, 2007 Share Posted October 22, 2007 I had posted this problem somewhere else but I was instructed to create my own thread since mostly people don't share the same configuration so here it goes. I recently purchased a mobo, case, vid card and 4 sticks of 1gb corsair 6400 Ram assemble a new computer. After I was done I had installed only 2 gbs of ram at first really for no reason. It was running perfectly however when I installed the other 2 the system completely freaked out! I'm running both ubuntu and windows xp on my system and it will simply crash hard. Tests I performed were just using 2 sticks, then installing a third one then installing the fourth. After installing 3 the system was still performing solidly. When I installed the fourth one problems arose again. I wanted to also rule out the possibility of the fourth slot being damaged so I moved the 2nd stick to the fourth slot and it still works properly. when I load the BIOS it'll show the memory as 4096 so it "sees" it just gets really unstable Right now I'm running using only 3gb of RAM 'till I find out what the problem might be because it seems running the whole set will give me problems. I bought them at the same time from the same store so they should be from the same batch. My computer gear is Asus Striker Extreme Motherboard nVidia GeForce 8800 GTS card 320mb E6420 intel core 2 duo processor. Thermaltake 480w Power Supply I haven't really gotten to play with the bios settings yet since I wanted to test normal performance before trying any OC. Link to comment Share on other sites More sharing options...
DerekT Posted October 22, 2007 Share Posted October 22, 2007 Check your DRAM modules and make certain that they are all either version 1.xx or 2.xx. If they are then, Enter your BIOS and set: Memory Timing FSB - Memory Clock Mode: Unlinked CPU FSB: 266 CPU Multi: 8 DDR FSB: 800 tCL: 5 tRCD: 5 tRP: 5 tRAS: 15 Advanced Memory Settings tRRD: Auto tRC: Auto tWR: Auto tWTR: Auto tREF: Auto Async Latency: Auto CMD: 2T CPU Spread Spectrum: Enabled PCIE Spread Spectrum: Enabled MCP PCIE Spread Spectrum: Enabled SATA Spread Spectrum: Enabled LDT Spread Spectrum: Enabled CPU Internal Thermal Control: Enabled Limit CPUID MaxVal: Enabled Enhanced C1 (C1E): Enabled Execute Disable Bit: Enabled Virtualization Technology: Enabled Enhanced Intel Speedstep Tech: Enabled LDT Frequency: 5x PCIEX16_1 Frequency (Mhz): 101 PCIEX16_2 Frequency (Mhz): 101 PCIEX16_3 Frequency (Mhz): 101 SPP<->MCP Ref Clock, Mhz: 201 Voltages Vcore = Auto Vdimm (DRAM Voltage) = 2.0v 1.2v HT: Auto NB Vcore: Auto SB Vcore: Auto CPU VTT: Auto Download Memtest from http://www.memtest.org. Unzip and burn the ISO image to an optical disk. Shut the system down. Insert one stick of DRAM into the first slot and boot to the CD. Allow for two full passes. Do the same with all four sticks of DRAM. When assured that all four sticks are stable, take one stick and put it is the second slot and test. Then move it to the third slot and test. Repeat for the fourth slot. If this all passes, then install two sticks in Dimm 1 and Dimm 3 and test. Remove and repeat with the second set. Results? Link to comment Share on other sites More sharing options...
darkomen Posted June 15, 2008 Author Share Posted June 15, 2008 still havent been able to get it working. the settings normally seem to work with only 3 sticks. not 4. :confused: Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 16, 2008 Corsair Employees Share Posted June 16, 2008 Did you set the memory Voltage to 2.0 Volts at DDR667 and set the NB Voltage to 1.35 Volts? Link to comment Share on other sites More sharing options...
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