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Eldata

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  1. Already suggested 9 months ago; http://forum.corsair.com/v3/showpost.php?p=818553&postcount=55 But some may do well to revisit/retry.
  2. Try clicking the "No" button at the next screen after choosing XMP. That will give you XMP Mode 1 (compatibility) instead of Mode 2 (enhanced) timings. Most people just press enter at the next screen after choosing XMP and end up with enhanced timings since "Yes" is the default. One can also avoid enhanced timings by entering the XMP parameters manually as recommended by another person previously. Enhanced timings will give better performance but should be avoided if there are stability issues. Edit: (Extreme Tweaker)/(DRAM Timing Control)/(Maximus Tweak) allows one to switch between XMP Mode 1 and 2 at anytime on these ROG boards.
  3. Generally speaking, motherboards with shorter DRAM traces (smaller boards like m-ITX) and/or more layers have better memory performance. But with respect to XMP performance, only Asus knows why, at this point in time, their boards still appear to work better with G. Skill memory as opposed to Corsair...One can only speculate. Also, relatively speaking, where are the Gigabyte, MSI and ASRock complaints regarding Corsair memory? Should Corsair be blamed for this scenario? I don't think so.
  4. This thread pertains mainly to four layer (entry level) Asus boards. That's where Asus is lagging in terms of memory compatibility and appears to be playing catchup with MSI etc.. You have at least a six layer board and shouldn't have any issues running G.Skill DDR4-3600 CL16 DRAM using default XMP settings. I told you this already in another thread.
  5. Corsair memory seems to work fine with cheaper MSI and Gigabyte boards. This is what Asus had to say regarding that; http://www.overclock.net/t/1568154/asus-north-america-asus-z170-motherboards-q-a-thread/4410#post_25080229 "The only option is to relax timings to the point where the memory kit itself is performing well under what the primary rated timings imply. I did notice some other vendors ignore the primary timings and impose their own relaxed set - nasty" When pressed further to elaborate on the "nastiness", there was no reply to this post; http://www.overclock.net/t/1568154/asus-north-america-asus-z170-motherboards-q-a-thread/4410#post_25081759 Apparently, Asus' approach is to have the system fail outright at say 3200MHz rather than it operate at 3200MHz with reduced performance, albeit greater than say 3000MHz. My conclusion is that Asus' firmware guys are not the brightest crayons in the box and are slow to achieve what MSI and Gigabyte have done. They're still playing catchup.
  6. Could it be that Asus' firmware people are finally coming to grips with the MRC on cheaper boards? Let's hope so.
  7. "I would appreciate any help that you fine people could offer me." Avoid Asus motherboard software like the plague. Causes more issues than it solves.
  8. There is a third player.....Intel! https://en.wikipedia.org/wiki/Memory_Reference_Code The MRC is responsible for memory training during the POST. Lousy MRC means lousy memory support. Also, Intel branded motherboards are a thing of the past so getting things right is probably taking more time than usual. Furthermore, cheaper boards may get lower caliber firmware resources assigned to them....Probably explains why the Asus Z170-A board handles memory better with an older BIOS.
  9. Your findings appear to be corroborated by the review in this post; http://forum.corsair.com/v3/showpost.php?p=839404&postcount=246
  10. https://en.wikipedia.org/wiki/Memory_controller#SCRAMBLING "Memory controllers integrated into certain Intel Core processors additionally provide memory scrambling feature that turns user data written to the memory into pseudo-random patterns. As such, memory scrambling prevents forensic and reverse-engineering analysis based on DRAM data remanence, by effectively rendering various types of cold boot attacks ineffective."
  11. The Z170-A is handling XMP 3600 in this review; http://www.overclockers.com/asus-z170-motherboard-review/ "Even though the “official” memory support shows 3466 MHz as being the highest, the Z170-A had no problems running our G.Skill DDR4-3600 MHz using its XMP profile." Looking at the date of the review, it looks like an earlier BIOS must have been used. Didn't even know that 3600 MHz DDR4 was available back then. Less than optimal memory timings, derived from memory training during the BIOS POST (not the basics seen in CPU-Z), are probably the cause of most DDR4 issues right now. Saw the same thing back in 2007/2008 when DDR3 first came out.
  12. "Work Around: Disable the dual channel memory feature by putting the DIMMS in different channels i.e. one black one gray slot (the first two nearest the CPU." Did you try slots A2/B2 for two sticks? This is the recommended configuration. "ASUS care to comment? Corsair you may quote me to ASUS and I would be pleased if you did." Asus North America Z170 MB support is here; http://www.overclock.net/t/1568154/asus-north-america-asus-z170-motherboards-q-a-thread
  13. http://www.overclock.net/t/1568154/a...#post_24629290 Basically, Asus is saying you get what you pay for. Most Asus ROG boards are 6 layer (starting at over $200) and spec at 3866 MHz XMP or higher. I have no issues with Corsair or G.Skill 3200 MHz XMP memory. But there seems to be a few M8H, M8F and M8E complaints in this thread which is surprising.
  14. Is your memory kit using 4 sticks? If so, have you tried removing sticks in slots A1 and B1 (slots 1 and 3 in CPU-Z) to check whether there's an improvement? Slot A1 would be the slot closest to the CPU. Check your MB manual if unsure about slot placement.
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