wingzerotype Posted February 8, 2008 Share Posted February 8, 2008 Hello, when I built my system (Core 2 Duo E6600 Conroe 2.4GHz with an ASUS P5W DH Deluxe Mobo) about a year ago I built it with the following 2 dimms: CORSAIR XMS2 1GB (2 x 512MB) DDR2 SDRAM 800 (PC2 6400) TWIN2X1024A-6400 Timing 5-5-5-15 Voltage 1.9V A little while back I saw a good deal on a good memory upgrade so I bought and installed the following 2 additional dimms: CORSAIR XMS2 2GB (2 x 1GB) DDR2 SDRAM 800 (PC2 6400) TWIN2X2048-6400C4 Timing 4-4-4-12 Voltage 2.1V Now I want to OC my system, so armed by reading through online articles and this forum for a few hours I went into my BIOS and tried a few different things until my POST displayed that I was booting at 2.6GHz processor speed and PC2-6400 (I made sure to set my mem voltage to 2.1V). However, when I went and looked at my information in CPU-Z, it posted the following timings: http://img519.imageshack.us/img519/7540/cpuz1yw4.jpg I understand that it should run at the slower timing of 5-5-5-15, but why is it running even slower than that? Before I changed the Bus speed from 266 MHz to 289 MHz the BIOS was on an "auto" OC profile and it ran the mem at PC2 5300 I think, and the timings were the appropriate 5-5-5-15. Is 5-5-5-15 just incompatible with the higher bus rate or does this have to do with the fact that I have 2 different types of different memory dimms? I noticed most other people are using all matched dimms, so I'm not sure if thats causing any of my trouble. Thanks for any help, I'm new to this! :D: Link to comment Share on other sites More sharing options...
Xtreeme Posted February 8, 2008 Share Posted February 8, 2008 Just dont go higher volts, ram set one is low volt, ram set two is high. Not a good mix really. Only thing you can do is set the 5-5-5-15 manually and see if it sticks. If it doesnt the bios is messing with your timings. Link to comment Share on other sites More sharing options...
wingzerotype Posted February 8, 2008 Author Share Posted February 8, 2008 Should I lower the voltage or just forego the overclocking alltogether? If the bios is messing with the voltages does that mean its a bad setup to overclock? I'd like to overclock but I don't want to do it if its gonna risk burning out the low voltage RAM. Link to comment Share on other sites More sharing options...
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