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System reboots constantly, when I change my RAM from Single Channel to Dual Channel

By mattw
Sep 7, 2006
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  1. My spec is in my profile, but I will also list it here.... I just noticed today that my RAM was running Single Channel mode, so I thought I would change it to Dual Channel mode... so I did.

    It completes the Windows XP loading screen, then reboots... constantly, until I change it back to Single Channel mode.

    Is there something wrong with my RAM? or is it the motherboard? or my PSU not giving the mobo enough power? I dont have every power cable plugged in, I have a 20 pin ATX power in the 24 pin plug, and the 4 pin ATX power plug and a 4 pin molex cable plugged into the motherboard. Could this not be giving it enough power?


    Many thanks, system spec =

    AMD Athlon 64 4000+
    DFI Lanparty UT nF4 Ultra-D
    2 x 512mb Crucial Ballistix PC3200 DDR400
    Connect 3D X1800XT 256Mb
    2 HDD's etc.
    Antec TrueBlue 480W PSU.
  2. RealBlackStuff

    RealBlackStuff TS Rookie Posts: 8,165

    Check your mobo manual, to see in which slots you need to put memory sticks to make it work in Dual Channel mode.
    AFAIK you need 1 each of the same size/type in slots 1 and 3 (yellow) for DC.
  3. mattw

    mattw TS Rookie Topic Starter Posts: 117

    When i was trying dual channel mode out, they were in the correct slots, both yellow/both orange. they are matched pairs on Crucial Ballistix RAM.

    I will look at CPUZ to see if the RAM sticks are running the same speeds, timings etc. If not i will adjust manually in the BIOS.

    Thanks for the help ....Any more ideas?
  4. Tmagic650

    Tmagic650 TS Ambassador Posts: 20,845   +165

    It is a configuration problem, or heaven forbid... a defective motherboard. This rebooting over and over in lesser single channel systems means bad RAM or incorrect RAM
  5. RealBlackStuff

    RealBlackStuff TS Rookie Posts: 8,165

    OR Dual Channel only works with ONE pair of sticks installed (like in my Abit AV8)
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