However, based on his reply, he tested each paired in the wrong slots, as a single channel: You instructed him to test his RAM a pair at a time in each of the dual channel slots (blue, and black). Obviously, this post is quite some time ago, and has likely long been resolved, or it is no longer a concern for Big L, but I wanted to also point one item out regarding this unusual configuration of DIMM slots. On this particular model, if color coding is correct, then slot 1 is paired with slot 2, and slot 3 with slot 4, (1+2) or (3+4). This is the essence of my question, whether the color coding is correct for this motherboard, because if it is, then the slots are not arranged as is typical nowadays where slot 1 is paired with slot 3, and then slot 2 with slot 4, (1+3) or (2+4). The user guide for this particular motherboard, ASUS M4A88T-M/USB3, is somewhat ambiguous in stating which DIMM slots are paired together for dual channel configuration, what I could get out of it was as I stated above, the slots are color coded. guess I'll try to Craigslist this other RAM.Ĭlick to expand.I am assuming that when you test your DIMM slots on your motherboard, you want to test a pair of sticks in dual channel configuration which I have assumed was either the two blue slots, or the two black slots. I think I just passed the 30 day return mark. I made sure that I put in two of the former sets and followed the steps from the G.SKILL forums, and it seemed to run Windows fine, but crashed while playing videos in Starcraft II.Īnywho, I got my 2x4GB sticks in, and they're rocking without any CPU overclocking.
I also noticed through CPU-Z that one of my sets of RAM was physically labeled as F3-12800CL9D-4GBRL, but was actually F3-10666CL9Q-4GBRL. I did this, but the setup still proved to be unstable. Most CPUs will need a CPU-NB Voltage boost of +0.10V, so if your default is 1.10V, set it to 1.20V._ Set DRAM Voltage to 1.50V, or whatever your memory is rated for.ĥ. Set timings to tCL 9 - tRCD 9 - tRP 9 - tRAS 24, or whatever your memory is rated for.Ĥ. Set CPU-NB Frequency to 2400MHz (DDR3-1600 / 2 = 800MHz, then x 3) CPU-NB Frequency should always be 3X DRAM bus frequencyģ. I checked out those Newegg reviews, and after learning the AMD processors don't natively support more than one DDR3 1600 DIMM per channel, it led me to G.SKILL forums, which said:Ģ.
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