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Same memory but not working

I just upgraded the memory of my PC. Earlier in the existing computer, the memory Visipro brand with PC-3200 DDR 512MB. When upgrading, I bought something similar. But, instead of dual channel, I dont even get any display at the monitor after new memory installed. When I install them separately, the system runs normal with any of them. The problem I got is only when the memory is paired together. Answer: Even with the same brand, chipset and its configuration must be seen first. To check the specifications of the memory chips installed, look at the code at the memory's IC. Installation of the modules also affects whether or not dual-channel feature will available. Usually the configuration is a slot 1 to slot 3 or slot in and slot 4, could also between slot 1 with slot 2 and slot 2 and slot 3. Check the motherboard's manual. If the problem is still occurs, exchange the old memory with the same. After all, lifetime warranty and DDR Memory PC-3200 is also still in circulat

DDR and DDR2 memory

What is the difference between DDR1 with DD2 memory? Why the price of DDR1 memory is more expensive than the price of DDR2 memory? I use a computer using DDR1. Can I use DDR2 memory there? Answer: The difference between DDR1 and DDR2 memory are: - In the chip production process. DDR2 memory is manufactured with better technology, can be set at a higher clock than DDR1 chips, and consume less power. This makes DDR2 memory chip runs cooler while working at standard clock. - For the memory modules, the notch positions of DDR1 and DDR2 is different. DDR2 is a little bit towards the middle while DDR1 is slightly towards the edge. DDR1 memory prices are more expensive because the law of supply and demand. DDR1 memory production has decreased. Some manufacturers have even stopped making DDR1 memory, while demand is still there. This makes the price more expensive. DDR2 memory is much much produced for current PC systems generally use either DDR2 memory for AMD or Intel. Thus, with a c

Dual channel memory with large capacity

The memory installed on my computer right now is a pair of memory each 1GB. Of course, with the support dual-channel memory on the motherboard that I use, I can activate the dual-channel memory. Now I want to add more memory with a pair of memory that is not similar to an existing one. As for what I want to install a memory capacity of each 2GB. Well, what I wanted to ask if I was still able to enjoy the facility with a pair of dual channel 1GB memory and a pair of 2GB memory? One more thing. If I attach four memory chips with a total 6GB it, if any effect on computer performance? Please enlightenment, thanks. Answer: In the latest chipset chipset-installation of two pairs of memory that each pair has a different capacity now no longer a problem. Unlike the early presence of the platform that supports dual-channel memory. For example, we've also done tests with the same case as you, ie two 1GB memory chips paired with two 2GB memory chips berchipset on Intel X38 motherboards and