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Old RAM Module Not Recognized After Install Of New One

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June 1, 2009 3:21:50 AM

Hi,

I recently fitted a Kingston DDR2 1GB 800mhz module on my Intel D102GGC2 motherboard. The board has two slots for RAM & supports a maximum of 2GB. One slot was occupied by a Dynet DDR2 512MB 533mhz module. So I expected the total memory would be ~1.5GB.

However, only the Kingston module is recognized. The Dynet module is not recognized - neither by Windows, nor by the BIOS. The BIOS states that one slot has 1024MB RAM while there is nothing installed on the other slot. However, a 3rd party program, SIW [System Information for Windows], can see both slots occupied but states that the mobo only supports a maximum of 1GB [which is incorrect] & therefore puts the total RAM installed at ~1GB.

So far I've installed both modules individually one at a time, interchanged the slots in which they were fitted & also updated the BIOS to the latest version. After trying out all of the permutations as stated above, I've concluded that the hardware [both modules as well as both slots] is fine.

Any ideas? Thanks.
a c 80 } Memory
June 1, 2009 4:07:19 PM

It should work if you install compatible memory modules, i.e., DDR2 533 MHz modules. None of the sites have DDR2 800 MHz modules listed for that motherboard.
June 1, 2009 6:00:01 PM

True. The board is rated to support up to 533mhz only. But the 800mhz does work though at 533mhz speed [as it should]. It is the 533mhz ram which is not being recognized.
a c 80 } Memory
June 1, 2009 6:34:26 PM

The 533 MHz RAM probably is not recognized because of the 800 MHz RAM. Why not use a module that's certified to work on that system?
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