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Thread: 8GB Memory /w Overclocking?

  1. #1
    YUKIKAZE arthurleung's Avatar
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    • arthurleung's system
      • Motherboard:
      • Asus P5E (Rampage Formula 0902)
      • CPU:
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      • Memory:
      • A-Data DDR2-800 2x2GB CL4
      • Storage:
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      • Graphics card(s):
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      • PSU:
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      • Operating System:
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      • Dell Ultrasharp 2709W + 2001FP
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    8GB Memory /w Overclocking?

    I had 2x2GB of ram running at 5-4-4-15-42 but it wasn't enough for some 1080p x264 action so I bought 4GB more ram. Couldn't get the system to run at even 400FSB (Was running 425, ram limited so I couldn't go higher). I guess the problem is with Trfc and BIOS is ignoring the SPD setting.

    Bumping NB voltage up will makes it overheat, Bumping Mem voltage doesn't help (Only tried up to 2.15V, which is already spicy hot).

    I am thinking of getting another motherboard but I fear it would have the same problem and means money down the drain.

    Any inputs or views would be appreciated.

    Arthur
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
    Workstation 2: Intel C2Q Q9550 @ 3.6Ghz / X38 / 4GB DDR2-800 / 8400GS 512MB / Open Air
    Workstation 3: Intel Xeon X3350 @ 3.2Ghz / P35 / 4GB DDR2-800 / HD4770 512MB / Shuttle SP35P2
    HTPC: AMD Athlon X4 620 @ 2.6Ghz / 780G / 4GB DDR2-1000 / Antec Mini P180 White
    Mobile Workstation: Intel C2D T8300 @ 2.4Ghz / GM965 / 3GB DDR2-667 / DELL Inspiron 1525 / 6+6+9 Cell Battery

    Display (Monitor): DELL Ultrasharp 2709W + DELL Ultrasharp 2001FP
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    Storage: 8x2TB Hitachi @ DELL PERC 6/i RAID6 / 13TB Non-RAID Across 12 HDDs
    Consoles: PS3 Slim 120GB / Xbox 360 Arcade 20GB / PS2

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    Re: 8GB Memory /w Overclocking?

    You have put too much strain on the northbridge, so it cannot cope with the sticks of ram. You will find that 4-8GB would actually slow down your pc slightly as it means the cpu has to address the data to 4 sticks instead of 2. I mean i couldve got this slightly wrong but i believe this is the case, too many sticks of ram.

  3. #3
    YUKIKAZE arthurleung's Avatar
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    • arthurleung's system
      • Motherboard:
      • Asus P5E (Rampage Formula 0902)
      • CPU:
      • Intel Core2Quad Q9550 3.6Ghz 1.2V
      • Memory:
      • A-Data DDR2-800 2x2GB CL4
      • Storage:
      • 4x1TB WD1000FYPS @ RAID5 3Ware 9500S-8 / 3x 1TB Samsung Ecogreen F2
      • Graphics card(s):
      • GeCube HD4870 512MB
      • PSU:
      • Corsair VX450
      • Case:
      • Antec P180
      • Operating System:
      • Windows Server 2008 Standard
      • Monitor(s):
      • Dell Ultrasharp 2709W + 2001FP
      • Internet:
      • Be*Unlimited 20Mbps

    Re: 8GB Memory /w Overclocking?

    I don't mind it going slower from 4 to 8GB because the CPU is under-utilized as I couldn't get 100% CPU usage due to insufficient ram (for extra instances of avisynth filtering for example). Even 5% slower, but with CPU working 15% more utilized would still be a gain.

    I just want to know if there is any modestly priced motherboard that can actually handle 8GB at say 25~40% overclock. If there isn't one I might as well jump ship to Phenom II.

    I now run at 400x8 (i.e. Ram not overclocked). It didn't crash this morning 8 hours with 4x Prime95 (Using 6GB ram in total), but then suddenly crash when I run windows explorer.
    Workstation 1: Intel i7 950 @ 3.8Ghz / X58 / 12GB DDR3-1600 / HD4870 512MB / Antec P180
    Workstation 2: Intel C2Q Q9550 @ 3.6Ghz / X38 / 4GB DDR2-800 / 8400GS 512MB / Open Air
    Workstation 3: Intel Xeon X3350 @ 3.2Ghz / P35 / 4GB DDR2-800 / HD4770 512MB / Shuttle SP35P2
    HTPC: AMD Athlon X4 620 @ 2.6Ghz / 780G / 4GB DDR2-1000 / Antec Mini P180 White
    Mobile Workstation: Intel C2D T8300 @ 2.4Ghz / GM965 / 3GB DDR2-667 / DELL Inspiron 1525 / 6+6+9 Cell Battery

    Display (Monitor): DELL Ultrasharp 2709W + DELL Ultrasharp 2001FP
    Display (Projector): Epson TW-3500 1080p
    Speakers: Creative Megaworks THX550 5.1
    Headphones: Etymotic hf2 / Ultimate Ears Triple.fi 10 Pro

    Storage: 8x2TB Hitachi @ DELL PERC 6/i RAID6 / 13TB Non-RAID Across 12 HDDs
    Consoles: PS3 Slim 120GB / Xbox 360 Arcade 20GB / PS2

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    Re: 8GB Memory /w Overclocking?

    Had the same problem and Blaineoliver's theory seems to be sorta right. Had to run at DDR2-951 but the overclock helped boost the ram speeds

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