Vetshouse Posted December 6, 2009 Share Posted December 6, 2009 I recently purchased and installed 8 gb of memory in my MB. I spoke with EVGA and they had helped me set the memory initially and had recommended that I increase the voltage to 2.15V - that seemed to cause more freezes. I now know from perusing these forums that the intel and amd northbridges are not able to process the memory fast enough when using all 4 slots to be able to fully utilize the memory speeds listed and results in these freezes. I also now know that I can reduce the memory speed to 800mHz and it may work better. Unfortunately I only have stock cooling fans in the case (7 I think) and on the processor but was wondering how I can tweak the settings to get the most out of the memory safely and with stability? I did read a thread earlier that spoke to this but I lost it and can't find it again. Thanks in advance. PS: its too late to return the memory but I can certainly buy more fans. Link to comment Share on other sites More sharing options...
Wired Posted December 6, 2009 Share Posted December 6, 2009 Please clarify your memory part number, as "Corsair TWIN2X2048-8500C5D 8gb total" means you have 8 sticks, however that motherboard only has 4 slots. What's the version # of each stick? How To Read the Memory Label Link to comment Share on other sites More sharing options...
Vetshouse Posted December 8, 2009 Author Share Posted December 8, 2009 4 sticks all 2gb each. All the same revision. Link to comment Share on other sites More sharing options...
Wired Posted December 8, 2009 Share Posted December 8, 2009 Then you have 2 pairs of TWIN2X4096-8500C5D. Link to comment Share on other sites More sharing options...
Vetshouse Posted December 18, 2009 Author Share Posted December 18, 2009 Version 2.1 2 from lot # 09397538 2 from lot # 09437914 Oringinally all four were from the same lot but 2 were sent back for an RMA because one stick was bad and the kit was replaced by Newegg. Please help. Link to comment Share on other sites More sharing options...
Wired Posted December 18, 2009 Share Posted December 18, 2009 Is it stable @ 800 MHz? Link to comment Share on other sites More sharing options...
Vetshouse Posted December 18, 2009 Author Share Posted December 18, 2009 I have not tried it at 800mhz. Link to comment Share on other sites More sharing options...
Vetshouse Posted December 20, 2009 Author Share Posted December 20, 2009 I have not run it at 800. I can try but was hoping to get the max speed out of the sticks by tweaking the system Link to comment Share on other sites More sharing options...
Wired Posted December 20, 2009 Share Posted December 20, 2009 Get the system stable first before you tweak it. Link to comment Share on other sites More sharing options...
Vetshouse Posted December 22, 2009 Author Share Posted December 22, 2009 I have it set at 800mhz now with the recommended timing settings and voltage (2.1). Still crashes. The MB manufacturer had mentioned I might need to up the voltage a little when using all four slots? Link to comment Share on other sites More sharing options...
Yellowbeard Posted December 22, 2009 Share Posted December 22, 2009 Try 1.35v - 1.45v on the SPP, aka the memory controller. Link to comment Share on other sites More sharing options...
Vetshouse Posted December 22, 2009 Author Share Posted December 22, 2009 Ok bumped the SPP to 1.35 (was at AUTO which turned out to be 1.2v). The MCP and SPP - MCP are set to AUTO. What is the MCP? FYI Memory is set to 800mHz Timing 5-5-5-15 Link to comment Share on other sites More sharing options...
Yellowbeard Posted December 22, 2009 Share Posted December 22, 2009 Read up on your chipset at Nvidia's site. MCP = what Intel calls the south bridge, SPP is north bridge or memory controller. Test the system for stability now that you have adjusted the memory controller voltage. Link to comment Share on other sites More sharing options...
Vetshouse Posted February 18, 2010 Author Share Posted February 18, 2010 crashing worse than ever now. Never improved. Been working too much to work on it until now. Link to comment Share on other sites More sharing options...
Yellowbeard Posted February 18, 2010 Share Posted February 18, 2010 List your current BIOS settings for memory, CPU, and votlages. Link to comment Share on other sites More sharing options...
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