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Old 05-09-07   #1 (permalink)
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Default Simple DDR2 question

Simple yet Im not sure of the answer. Can you mix DDR2 667 and DDR2 800 in a machine if the machine supports both?
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Old 05-09-07   #2 (permalink)
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You can, but the DDR2 800 will clock down to 667 speeds and will not run in dual channel!

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Old 05-09-07   #3 (permalink)
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Yes, but you might run into stability issues, since both sticks don't use the same timings.

Best case scenario: DDR2 800 stick clocks down to 667MHz.

Worst case scenario: BSOD's.

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Old 05-09-07   #4 (permalink)
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The results are kind of weird. I have two 512 sticks of 800 and two 1 GB sticks of 667. Either sets on their own works great. All 4 installed and the box freezes at the bios screen 90% of the time. Any config changed in the BIOS I might be able to make to be able to use all 3 GB combined?
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Old 05-09-07   #5 (permalink)
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probably not. Have you tried different slots, mix 'em up. That might work. Good Luck!

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Old 05-10-07   #6 (permalink)
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I will give that a shot rsfkevski.......Thanks for the insight!
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