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Thread: overclocking memory

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    Default overclocking memory

    Hi guys! I recently decided to work on my overclock. I had given up on it since I was having so many problems.. but ever since I got my replacement motherboard, everything is rock solid! At least when I get it stable! So, my question is.. I want my processor running at 3.4GHz, and I got it there. I took a look at the memory and decided to turn that up a bit.. past the 1600MHz it's rated at. At the moment I have it at 1704MHz, and it seems stable so far. Although sometimes when I boot, windows only detects 8 of my 12GB of RAM, so I know that can't be good. I have not done any burn tests YET. I will, don't worry! I would just like some OC advice for RAM because I know the settings in the BIOS cannot be correct.. or safe anyway. The settings in place are the only ones I could get the RAM to post at that speed. I obviously want to use as little voltage as possible so I don't bake in my room. My BIOS settings are currently:

    OC Tuner: Manual
    CPU Ratio: 20
    Speedstep: Disabled
    BCLK Freq: 170
    DRAM Freq: 1704
    UCLK Freq: 3408MHz
    QPI: 7498MT/s

    CPU Voltage: 1.20000
    CPU PLL Voltage: 1.84
    QPI/DRAM Voltage: 1.35000
    DRAM Bus Voltage: 1.66
    Load Line Calibration: Enabled
    HT: Disabled

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    A common problem seeing all the memory is the heatsink may be a snudge too tight. Mine was and deton helped me out on that issue. Chances you get more than 1740MHz on the memory is slim. If you try increase voltage no more than 1.65V as that is max recommended by Intel. You also may have to loosen the timings a bit. Personnally, I would overclock the CPu higher and not worry about the ram yet. You will see more performance at a higher overclock than raising memory frequency.

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    Chris, I have a 4890 with a waterblock on it if you want it cheap.......

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    I only have the larkooler on my CPU.. so a 4890 with a waterblock on it would be of no use to me. But thank you anyway!

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    Quote Originally Posted by criss_glitch666 View Post
    QPI: 7498MT/s
    Set that to the next lowest setting, should be about 6146. It should help a bit with stability, and allow you to lower your QPI/DRAM Voltage setting, which will make your CPU run a bit cooler.
    As DrDeath mentioned, set the DRAM Voltage at 1.65v.

    I'd go for a higher OC before messing with the ram. I'd also leave HT turned on.
    I wouldn't bother with turning speed step, and the other power saving functions, off unless you are going for an OC >4 Ghz.

    BTW, unless you are doing something that actually makes use of all that ram, you would be better off removing half of it. 12 gigs of ram tends to limit your OC potential.

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    Going along with what Drdeath said about the heatsink, I would also check the mobo itself. I have seen boards bent just enough where the memory isn't all detected by Windows. Of course if the heat sink is too tight it will cause the board to warp.

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    Quote Originally Posted by Drdeath View Post
    A common problem seeing all the memory is the heatsink may be a snudge too tight. Mine was and deton helped me out on that issue. Chances you get more than 1740MHz on the memory is slim. If you try increase voltage no more than 1.65V as that is max recommended by Intel. You also may have to loosen the timings a bit. Personnally, I would overclock the CPu higher and not worry about the ram yet. You will see more performance at a higher overclock than raising memory frequency.
    The waterblock isn't too tight, I made sure of that when I installed it. The error in the memory detection only occurs when I try to OC the memory. Whether it's 1400MHz, or 1600MHz. I took your advice, my CPU is now 3.6GHz, and memory around 1300MHz.

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    Quote Originally Posted by Caleal View Post
    Set that to the next lowest setting, should be about 6146. It should help a bit with stability, and allow you to lower your QPI/DRAM Voltage setting, which will make your CPU run a bit cooler.
    As DrDeath mentioned, set the DRAM Voltage at 1.65v.

    I'd go for a higher OC before messing with the ram. I'd also leave HT turned on.
    I wouldn't bother with turning speed step, and the other power saving functions, off unless you are going for an OC >4 Ghz.

    BTW, unless you are doing something that actually makes use of all that ram, you would be better off removing half of it. 12 gigs of ram tends to limit your OC potential.
    I changed the OC to 3.6GHz, and memory is around 1300MHz. I would leave HT on, but when it's on I get lots of random freezing, and just all around horrible performance. With it off it runs flawlessly. For the DRAM voltage, I can't set it to 1.65v. It only accepts 1.64, then 1.66. I also took your advice and turned the power saving stuff back on.

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