aameghoo Posted February 28, 2011 Posted February 28, 2011 I have AIDA64 (formerly know as everest) and under the overclock section under chipset properties I see the following information Memory Timings 9-9-9-24 (CL-RCD-RP-RAS) Command Rate (CR) 2T DIMM1: A-Data DDR3 1600G 2 GB DDR3-1333 DDR3 SDRAM (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz) DIMM2: A-Data DDR3 1600G 2 GB DDR3-1333 DDR3 SDRAM (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz) DIMM3: A-Data DDR3 1600G 2 GB DDR3-1333 DDR3 SDRAM (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz) DIMM4: A-Data DDR3 1600G 2 GB DDR3-1333 DDR3 SDRAM (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz) I was wondering what the values for each of the individual stick actually mean, my memory is rated at 1600mhz with timings of 9-9-9-24 however my motherboard ASUS M4A785TD-V EVO only supports 1600 overclocked, I feel like my memory is causing my instability issues with overclocking my AMD Phenom II X4 BE 955 as i cant make it over 3.5ghz-3.6ghz stable even with increasing voltages which bothers me considering many people have made it to a stable 3.8ghz on stock voltages My system specs are as follows: Processor-AMD Phenom II X4 955 Black Edition Motherboard-ASUS M4A785TD-V EVO AM3 Ram-A-DATA 4 x 2GB DDR3 1600 Power Supply-500W Power Supply Hard drive-Western Digital Caviar Black 1TB 7200 RPM SATA 3.0Gb/s 3.5 Video Card-SAPPHIRE Radeon HD 6950(Flashed to 6970) Currently on air cooling with-Tuniq CR-T120-EX-SV 120mm Windows 7 x64 Share this post Link to post Share on other sites More sharing options...
wevsspot Posted February 28, 2011 Posted February 28, 2011 Those should be the timing specs as they are mandated by the JEDEC specification. But the first and the last are out of whack. The first timing should be JEDEC 1333 and should read @ 666Mhz The second timing is correct - JEDEC 1066 which reads correctly @ 533Mhz The third timing should be JEDEC 800 and should read @ 800Mhz Have you ran Memtest to confirm that your memory is the culprit? Share this post Link to post Share on other sites More sharing options...
aameghoo Posted February 28, 2011 Posted February 28, 2011 So if I was to run the memory at each of those speeds those are the associated timings I would run the memory at? I just ran Memtest and everything ran smoothly and passed with no errors so i guess the memory is not the culprit. I've simply been increasing the CPU multiplier leaving the reference clock at 200mhz but after x18 the system crashes within a minute of prime, I've tried increasing the voltages up to 1.45 but with no luck, i also tried upping the NB to 2200mhz. This is my first true rig and first time overclocking as well so i am a bit of a noob, however I have done my best to look around and read a few articles to get a general knowledge. Share this post Link to post Share on other sites More sharing options...
wevsspot Posted March 1, 2011 Posted March 1, 2011 The memory timings associated with the reported buss speed would be a good place to start. Regarding your crashes now - have you bumped the northbridge voltage yet? If not what is the current northbridge voltage and what range of adjustments are available? Share this post Link to post Share on other sites More sharing options...
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