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ASUS P8H77-V and G.skill 16gb Ripjaws X

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October 18, 2012 9:14:39 PM

Hi I am wondering if anybody can help me.I currently have 8gb of G.Skill Ripjaws X 8GBXL 1600mhz installed into my motherboard which is an ASUS P8H77-V as 2x4gb DIMMS

however i recently bought another 8gb of exactly the same Brand and speed memory with the intention of upgrading to 16gb, however the computer does not want to boot up and the DRAM Error LED is flashing

I upgraded the BIOS to the latest version however this hasnt helped.I understand that this memory isn't listed on my Mboard compatability list, however I have used 8gb of it without any issues.
a b } Memory
October 19, 2012 1:02:37 AM

F3-12800CL9D-8GBXL Is this the kit you are using x2? If it is, it should work according to GSkill. Just try the new modules in the motherboard, leave the old ones out see if it will post.
October 19, 2012 8:04:46 AM

yes that is the memory kit im using, same outcome only 8gb (2 DIMMS) will work in Single Channel ie: both B banks full however it wont accept 4 DIMMS
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a b } Memory
a b Ĉ ASUS
October 19, 2012 9:28:24 AM

Try upping the memory voltage to 1.65v. Some MBs require a little extra juice when running four memory sticks.
October 19, 2012 3:56:05 PM

ok i will try that, how about setting the speeds manually
October 19, 2012 4:48:20 PM

ok i set the voltage to 1.65V and its still not boating on a full compliment of DIMMS
a b } Memory
October 19, 2012 5:08:47 PM

What is the speed set at in the BIOS? Mine defaulted to 1333 instead of 1600, worth a shot.
October 19, 2012 5:54:41 PM

knightdog56 said:
What is the speed set at in the BIOS? Mine defaulted to 1333 instead of 1600, worth a shot.

Its set at 1600

Is there a possibility that bank B is damaged?
October 19, 2012 10:21:18 PM

just a note, I have 4x 2gb DDR3 DIMMS which are clocked at 1333MHz taken from my First Generation i7 and tried them into this motherboard and its the same story.Only the first two DIMMS work, while the PC refuses to boot up when all the four DIMMS are in place
a b } Memory
October 20, 2012 12:38:51 AM

Can you see any debris or corrosion in the B memory bank? You could try to clean the memory slots with a high grade of isopropyl alcohol and a soft bristle toothbrush, but you should be very careful about ESD, make sure computer is unpluged from wall outlet, give plenty of time to dry. If memory slots still give a problem it would be time for a RMA.
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