Question about Asrock 775Dual-880 Pro Motherboard

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How can i run 1 or 2 DDR2pc8500 1066Mhz on a asrock 775dual 880pro< it booted,went to bios to down the speed to 667, but when windows(XP) tried to boot it went to a blue screen saying things about memory error or hardware error. Do you know how i could make it work?

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  • math_saint Oct 21, 2008

    oh yea i already updated the bios, and once i was able to boot to windows,with 1 RAM installed, but then tried installing the second one and it didnt work,and since then i cant even make 1 work.

  • math_saint Oct 21, 2008

    well first off,i bought em for my computer,which runs on a maximus formula,but,that motherboard has problems running 4 ram sticks. so i wanted to sell them to my girlfriend, but unfortunatly she her MB supports only 667 DDR2. i'll try booting with no memory. and here's what it says oon the sticker:

    2-1GB 240-pin unbuff DIMM 128MX64DDR2 PC2-8500 CL5 EPP



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Your motherboard supports DDRII 667/533/400 and DDR400

1066 is not supported, I have never tried to use a unsupported memory speed on a motherboard so I don't know, I know you lowered it to 667 but still the ddr2 which you have bought is not supported by default.

why buy too fast memory?

Posted on Oct 21, 2008

  • 3 more comments 
  • Ekse Oct 21, 2008

    try removeing both of the memorys then boot up without any ram, it will beep, then insert the other one, try if it starts up.

  • Ekse Oct 21, 2008

    and ofcourse turn the power off in the middle of these changes.

  • Ekse Oct 21, 2008

    can you post the details of your memory? I think im onto something..

  • Ekse Oct 21, 2008

    everything it says on the stickers of the ram

  • Ekse Oct 23, 2008

    so hows it going I see I got a Thanks for trying rating?

    The thing is you have a memory that best works at 1066 and you are trying to run it on 667 you can't blame me for this hardware issue.. can you change the rating? you have to get memory that runs on 667 and it will work properly.



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hey man, I checked the asrock website

Support DDR-II 667/533/400,
If your going to keep the 533mhz memory in your pc, then I recommend you get another 533mhz, becouse if you get a 667mhz the 667 will run as 533mhz becouse the 533mhz memory is slowing it down.

If you need more assistance let me know, I'm here to help

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