Fatal1ty X370 Usable RAM issue

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   Thanks for the response. Slots 2 and 4 is where I have them plugged into. Correct, IF I remove one stick, the boot loop starts occurring. This happens with both brands of RAM. 
Posted my specs for future reference. 

I just purchased the hardware last week, So I will deal with Newegg on a replacement board. 

Thanks! 

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dorgbot Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Oct 2017 Status: Offline Points: 4	Post Options Post Reply Quote dorgbot Report Post Thanks(0) Quote Reply Topic: Fatal1ty X370 Usable RAM issue Posted: 27 Oct 2017 at 5:40am
	Thanks for the response. Slots 2 and 4 is where I have them plugged into. Correct, IF I remove one stick, the boot loop starts occurring. This happens with both brands of RAM. Posted my specs for future reference. I just purchased the hardware last week, So I will deal with Newegg on a replacement board. Thanks!
	Fatal1ty X370 Pro Gaming, RYZEN 1700X, 3xSamsung 850PRO SSD, G.SKILL TridentZ RBG F4-3200C14D-32GTZR, Windows 10 Pro, EVGA SuperNOVA 1000P2, Corsair H110i GTX, Zotac GeForce 1080 Ti, BIOS 3.10

MisterJ Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 19 Apr 2017 Status: Offline Points: 1097	Post Options Post Reply Quote MisterJ Report Post Thanks(0) Quote Reply Posted: 27 Oct 2017 at 3:27am
	dorgbot, this usually means a bad slot or bad memory stick. I would suggest you get in contact with ASRock support (ticket) and ask about an RMA. If you have two sticks plugged (what slots?) and see half the memory, then pull out one stick, you get boot/power loop? If you tried the same experiment with the other stick, you also get the same? Please post a more complete set of specifications in your signature as I have. Enjoy, John. EDIT: Should have pointed out that ASRock BIOS allows screenshots. Plug in a FAT formatted USB stick and hit F12. Edited by MisterJ - 27 Oct 2017 at 4:05am
	Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD

dorgbot Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Oct 2017 Status: Offline Points: 4	Post Options Post Reply Quote dorgbot Report Post Thanks(0) Quote Reply Posted: 27 Oct 2017 at 3:11am
	Hey crew: Here's what I have. ASRock Fatal1ty X370 Pro Gaming mobo running the LATEST BIOS version 3.10 AMD RYZEN 1700X 32GB Corsair Vengeance @ 2666/32GB GSkill TridentZ @ 3200 (I am NOT using both at the same time!) Problem: With either brand of RAM installed, the bios does recognize 32GB of mem. Once booted in to Windows 10 PRO, the system is showing 32GB installed, but only 16GB is usable. I've done a tone of research and nothing I've come across has helped. One thing I noticed is when I install one at a time in any one slot, the computer does not post. It just shuts off, and turns back on over and over. Bad motherboard? I've read it could be the CPU too... not sure. I did check it for bent pins, etc. All good. Take a look at the image links below. BIOS is also reading... "Single channel mode".... https://ibb.co/nBvjD6 https://ibb.co/doQjD6 Edited by dorgbot - 27 Oct 2017 at 3:16am