1. Remove the old one and insert the new one (see if your PC detects it)
2. Try swapping RAM slots
Thats it for now
I recently attached ddr 512M (PC3200) in additon to pc2100 that already installed in my computer (also 512M), from some reason its not recognize the new memory I attached. what can I do?
I did both of your suggestion.
My PC detects the new RAM (when installed alone) and I inserted the RAM as mention in my PC user guide (I tried all the recommended configurations), still doesn't work
I figured my board will support the slowest RAM (although the user guide not mention it), you think I should get PC2100 or there is a solution using the PC3200 (I found it hard to get PC2100 RAM)?
Thanks I'll try that.
The PC3200 and PC2100 doesnt work together, I tried 2 of the same type and it works.
You cannot use mismatced ddr dimms, it will never work, you need to use dims that are at least the same clock speed ( PC---X ) to have any success, it's even advised that you use dimms made by the same company; so in short, get matching memory modules and it'll work, theres nothing wrong with your pc at all.
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I don't advise doing it in 90% of cases, but it can be done on some motherboards. Just note you are not getting the full potential out of your memory, and if you fall into that 90% of mobos that don't like this, the chances of stability issues are high.
Well this is normally for newer machines Matt, however when the board was made chances are 3200 wasn't around which means it wont know what to do with it. Take the 3200 out confirm it works, then take out the 2700 and replace with the 3200 confirm they work, if so, take the 3200 back should be on warranty and get a 2700 your be fine then.
Also I don't think this is the case but confirm your mother board can handle the X amount of ram your placing on it.
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I have 2 DRR 256 memories on my Motherboard, one is PC3200 and the other PC2100. Both detected and working ok
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