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How does a computer "know" or detect how much RAM is in place


blueskye

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Crucial tells me that I have 2x512Mb in place when in fact I have 1Gb and 512Mb. The machine should accept 2x2Gb.

Any ideas why it doesn't "see" the other whole 1Gb (other than the possibility that the RAM itself is faulty?

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Forum Editor

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Try swapping the RAM modules around - put the 1Gb module in the slot that is presently occupied by the 512Mb and vice versa.

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rdave13

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Possibly your ram is running in dual channel mode and you're not getting the full benefit. The crucial auto scanner isn't perfect but near enough. Have a look at your 'system' (don't know what your OS is, and check what it 'sees'. A bit of a miss-match running 1GB and 0.5GB.

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rdave13

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This might shed a better light on dual channel mode, click here

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lotvic

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rdave13

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lotvic

Thanks. Why do we bother....

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