Asus rampage V not working with 64 gb ram properly

myroslave

Reputable
Dec 16, 2014
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I have two kits of 32Gb(4x8) DDR4 2400. When I instal them, they don´t work properly (randomly BSOD, freeze, etc.) and only at 2133Mhz. I tested with Windows Memory Diagnostic tool, without any error. At 2400Mhz manual setup computer wont even start.

But when I put DDR to number A1,B1,C1,D1 slots (red slots) they work properly, but only 32GB. I test every DDR stick in DIMM_C1 slot and they work nice. When I put one stick to every slots i get these results:

DIMM_A1 - Ok
DIMM_A2 - ERROR 53
DIMM_B1 - Ok
DIMM_B2 - ERROR 53
DIMM_D2 - ERROR 53
DIMM_D1 - Ok
DIMM_C2 - ERROR 53
DIMM_C1 - Ok

ERROR 53 - Memory initialization error. Invalid memory type or incompatible memory speed

Any Thoughts? Thanks

Computer:
CPU: Intel Core i7-5960X
COOLER: NOCTUA NH-D15
MB: ASUS RAMPAGE V EXTREME
RAM: 2x Crucial 32GB KIT DDR4 2400MHz CL16 Ballistix Sport Dual Ranked
GRAPHIC: HP NVIDIA Graphics PLUS Quadro K4200 (in 2nd PCIe because of Noctua size)
PS: Seasonic P Series 1000
 
Couple of possibles - 1 is you have two sets of DRAM - so there's no guarantee they will play together in the first place, might try increasing the VCCSA (system agent voltage) a little at a timeand see if that helps, might also increase DRAM voltage (+ 0.065 or so) - what's the actual model # of the DRAM sets
 
DRAM manufacturers guarantee by the individual set, they don't guarantee mixing packages (even of the same exact model) the DRAM in a given package has been tested to all play together, that's one reason a pack of eight quite often costs more than two packs of four sticks, it's harder to match up eight sticks that all play nice then it does 4, it takes more testing, hence a higher price
 


If with single RAM module one or more slots do not work, then it might be a CPU socket bent pins issue. I suggest reseating the CPU and checking the socket.
 


They never run at 2400 at XMP, only 2133. When I change it manualy, as i wrote before, pc wont even start. I´ll contact crucial for answer. And i let you know :)