Asus A88X-PRO wont show two sticks of 4g mem

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pearlhouse

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Dec 4, 2007
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Just built new pc with A88S-PRO M/B with two sticks of 4g G Skill Ripjaws memory DDR3 1333 & AMD processor A6 6400K. Win 7 Prof. 64bit is installed. I can only get it to read 1 stick of memory. Tried all combinations of all slots 1-3 2-4 1-2 3-4 The only combination that will show all 8g is 1-2 which the book does not recommend. They recommend 2-4. Talked to Asus and they said bad M/B so I returned to place of purchase and got a new one from a totally different run 10k boards later. Still got same problem. Someone please help here this is not good.
 
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ikavanagh

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Feb 27, 2014
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This is a simple matter of process of elimination my friend
1) The board detects ram in certain slots however those slots are only 1-2
because of this you would infer that the motherboard is faulty however you got a new one with the same issue it is very unlikely that two motherboards in a row are faulty but possible
2) Because the the only thing you haven't replaced is the ram its possible that the ram itself is faulty in order to rule this option out you would need to find another stick of ram gb dont matter it could be in mb if you wanted and test the slots itself with another stick of ram as a control group
3) Windows normally limits the amount of ram usage your version should support 8gb however it could be faulty its happened before however its unlikely that this is the case seeing as depending on the slots its still get detected
solution: I would find a cheap stick of ram and move it from port to port if its detected in all ports than its pretty obvious the ram is faulty. If it isn't you probably got yet another defective motherboard which is also a possibility. And if you get two 1gb sticks of ram plug them in any of the combinations that weren't working and they now work than the OS would be faulty considering that what would limit the memory
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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If they only work in 1-2 that's channel A - i.e. it's not reading channel B (slots 3-4, which is usually indicative of a bad mobo or MC - often with AMD that can be caused by a broken or bent CPU pin, while possible a second bad mobo, but more likely the MC of the CPU
 
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