monsta

This is my second build I am still learning though as always will be with the ever changing computer world!!lol but anyway I think with this setup I may have made a mistake with my memory I purchased, and the next question is reference ganged versus unganged CPU-Z is showing it running unganged but at a lower speed than the memory should be running which I think is because I am running a dual core processor but anyway below is board, memory, cpu any help would be appreciated. Thanks!!

MotherBoard: ECS A780GM-A AMD 780G Socket AM2+

CPU: AMD Athlon X2 Dual Core Black Edition Kuma 7750 2.7ghz

Memory: Wintec Ampx PC6400 DDR2 800mhz Dual Channel 4-4-4-12, 4X1024mb sticks

LiNERROR

the a780gm-a supports DDR2 1066(am2+ only)/800, and your 7750 is am2+...

by ganged and un* i suppose you mean dual channel and single channel...

what speed is cpu-z reporting with 4 sticks and 2?

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monsta

This is what I just got off CPU-Z with all 4 sticks in and Thanks for your help!! So I really should have purchased the 1066mhz instead then that is what I was afraid of.






The second image it reads the same for all 4 slots btw

Acoma_Andy

Cpu-Z reads 400mhz (DoubleDataRate makes it 800mhz) so that is correct. Also, since these sticks now run at 4-4-4-12, I'm betting they will run 5-5-5-15 at 1066mhz. You will just have to set the DRAM voltage and timings manually.

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monsta

So basically I just need to update my voltage to 2.1 and set my timings to 5-5-5-15 for the memory I have now rather than buying the 1066mhz memory sticks and replacing the 800mhz ones. Do I need to adjust my Bank Cycle as well or leave it be. In reference to the ganged or unganged mode it shows it in the DC Mode and unganged I guess I just need to play with that option and see.

Acoma_Andy

One thing you must keep in mind, when using 4 modules you are probably going to need some more NB voltage.

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monsta

What would you recommend I bump the NB Voltage to, I am assuming that is the North Bridge. Thanks for the help this is getting fun now since I am learning here Great Forum.

Acoma_Andy

Upping it by +0.1 should be ok, depending on if you are running a CPU overclock or not.

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monsta

I have not messed with the CPU yet was wanting to make sure I did not goof completely on the memory first. I read I should do the CPU first then the memory if I read it right. I really wished I had payed attention on the memory specs on the board and started off with the 1066mhz instead of the 800mhz but oh well I can play with the 800mhz for now then upgrade later. Thanks Very Much!!

Acoma_Andy

When you are going to overclock the CPU, the memory speed will go up as well. But you should try if it can run 1066mhz at 5-5-5-15.

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