RAM speed, ryzen 3700x on x570 phantom gaming 4s

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   Hello all, new forum member. I've just built a new system using ryzen 3700x (my first amd system) on an asrock x570 phantom gaming 4s board.

I purchased gskill 3600 ram, 2x8gb. Installed on a2 and b2 slots, but my bios seems to not like having the xmp profile loaded, or not like the ram manually set to 3600, or some combination of both. I'll get it running and when i next go to boot up a day or so later, it won't post. Just sort of does a test loop or something I think and eventually boots with RAM speed defaulted to 2133.

Does anybody with more knowledge of RAM and this board + cpu have any insight? I'm not looking to overclock anything, I just want a stable system.

Thanks

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elloh7 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Jul 2020 Status: Offline Points: 4	Post Options Post Reply Quote elloh7 Report Post Thanks(0) Quote Reply Topic: RAM speed, ryzen 3700x on x570 phantom gaming 4s Posted: 09 Jul 2020 at 7:00am
	Hello all, new forum member. I've just built a new system using ryzen 3700x (my first amd system) on an asrock x570 phantom gaming 4s board. I purchased gskill 3600 ram, 2x8gb. Installed on a2 and b2 slots, but my bios seems to not like having the xmp profile loaded, or not like the ram manually set to 3600, or some combination of both. I'll get it running and when i next go to boot up a day or so later, it won't post. Just sort of does a test loop or something I think and eventually boots with RAM speed defaulted to 2133. Does anybody with more knowledge of RAM and this board + cpu have any insight? I'm not looking to overclock anything, I just want a stable system. Thanks

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 09 Jul 2020 at 11:34pm
	have you tried using the 'ryzen dram calculator' program/software to manually set the 3600mhz timings ? my best guess with your issue is the bios is making a very bad choice for one or more of the settings and causing the instability the rebooting/looping is the bios not passing the post test with the ram when the system is cold (this was a very common issue with ram on first gen ryzen) as a rule with 3rd gen and a x570 it is 99% cured now ....welcome to the 1% club ! the good news is you have a x570/ a decent gen3 cpu /and decent ram finding the 'hiccup' wont be too hard for you download the dram calc. and manually enter the timings and settings from there (including things like cad bus etc ) and the problem really should dissapear for good
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

elloh7 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 09 Jul 2020 Status: Offline Points: 4	Post Options Post Reply Quote elloh7 Report Post Thanks(0) Quote Reply Posted: 09 Jul 2020 at 11:40pm
	Thanks, I'll look up the ryzen calculator this evening, I suspected it was something about the ram timing that the bios didn't like but I am completely new to most of this. My previous build was an Intel machine and it just worked when I hooked it all up. I'll try manually entering the timing info given by the calculator (if I can figure out how to) and see if it works. It's running now with xmp on and ram speed set manually to 3200. I've been a little afraid to reboot it incase it borks up the bios so bad that it won't post at all, permanently.

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 10 Jul 2020 at 1:33am
	there is guides on how to use the dram calc. but best advice is to print out results to have to hand to enter i bios
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold