ASrock 890fx Deluxe3 RAM modules problem

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   Hi can someone tell me why my motherboard ( ASrock 890FX Deluxe 3 with Phenom II X4 965be ) does not accept four RAM modules ( 4x 4GB Kingston HyperX - the same type, fequency, etc. , or 2x4GB with 2x2GB) . If I use Dual Chanell slots A1,B1 or A2,B2 it also do not accept them, no boot no video. I can only use 2x4 GB in slot A1, A2 or B1 B2 (alternately) or what I do wrong ? I read the max memory is 16Gb . Why can I not use 4x4Gb the type is 4x Kingston hyperx KHX1600C9D3X2K2/8GX or what to do to have more than 8gb Ram. In DrDebug led on MB it shows C6, d3 repeating. Thanks.

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xpetri Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Jan 2017 Status: Offline Points: 3	Post Options Post Reply Quote xpetri Report Post Thanks(0) Quote Reply Topic: ASrock 890fx Deluxe3 RAM modules problem Posted: 08 Jan 2017 at 12:01am
	Hi can someone tell me why my motherboard ( ASrock 890FX Deluxe 3 with Phenom II X4 965be ) does not accept four RAM modules ( 4x 4GB Kingston HyperX - the same type, fequency, etc. , or 2x4GB with 2x2GB) . If I use Dual Chanell slots A1,B1 or A2,B2 it also do not accept them, no boot no video. I can only use 2x4 GB in slot A1, A2 or B1 B2 (alternately) or what I do wrong ? I read the max memory is 16Gb . Why can I not use 4x4Gb the type is 4x Kingston hyperx KHX1600C9D3X2K2/8GX or what to do to have more than 8gb Ram. In DrDebug led on MB it shows C6, d3 repeating. Thanks.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25028	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 08 Jan 2017 at 12:32am
	It sounds like the memory controller on the CPU may be damaged. The reason I say CPU is because all the RAM slots are working, just not in dual channel which is determined by the memory controller located on the CPU. Maybe try pulling the CPU and checking for bent/missing pins.