big problems with RAM OC and X470 Taichi

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   hello

i upgraded my 1700/x370 pro prime to a 2700X/x470 taichi and kept my gskill flare x 3200 ram (which was prime/HCI stable with xmp preset). after setting up my system i wanted to OC the ram and thats when the problems began.

with the xmp presets from 2666 - 3200 i was able to load into windows but not one of those was stable, it crashed after a few minuts of prime95/HCI.

then i flashed to the beta bios 1.30 but nothing changed. after that i used the ryzen dram calculator to get the safe timings for 3200mhz and put them into the bios. i never got into windows with any of those timings so i defaulted my bios back and used the xmp preset to get back into windows (eve thought its still not stable).

now here is where the "fun" begins: all xmp presets now fail to load and revert back to 2400mhz. im at this problem now for 3 days and all out of ideas.

any help is greatly appreciated.

Edited by Battletoad - 10 May 2018 at 9:55pm

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Battletoad Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote Battletoad Report Post Thanks(0) Quote Reply Topic: big problems with RAM OC and X470 Taichi Posted: 10 May 2018 at 9:50pm
	hello i upgraded my 1700/x370 pro prime to a 2700X/x470 taichi and kept my gskill flare x 3200 ram (which was prime/HCI stable with xmp preset). after setting up my system i wanted to OC the ram and thats when the problems began. with the xmp presets from 2666 - 3200 i was able to load into windows but not one of those was stable, it crashed after a few minuts of prime95/HCI. then i flashed to the beta bios 1.30 but nothing changed. after that i used the ryzen dram calculator to get the safe timings for 3200mhz and put them into the bios. i never got into windows with any of those timings so i defaulted my bios back and used the xmp preset to get back into windows (eve thought its still not stable). now here is where the "fun" begins: all xmp presets now fail to load and revert back to 2400mhz. im at this problem now for 3 days and all out of ideas. any help is greatly appreciated. Edited by Battletoad - 10 May 2018 at 9:55pm

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: 3154	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 11 May 2018 at 1:31am
	pull the power lead and coin battery from board for 30 mins and start again
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

Battletoad Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2018 Status: Offline Points: 4	Post Options Post Reply Quote Battletoad Report Post Thanks(0) Quote Reply Posted: 11 May 2018 at 5:11pm
	pulling the cmos didnt do anything. but i found out what the problem was: one of the ram banks is broken. it took me so long to find this because neither the bios nor cpuz/hwinfo showed that there was a problem.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 12 May 2018 at 12:34am
	Damn. That sux.

Ivan_83 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 22 May 2017 Status: Offline Points: 85	Post Options Post Reply Quote Ivan_83 Report Post Thanks(0) Quote Reply Posted: 13 May 2018 at 8:30am
	This is EFI bios, no cmos mem in hardware, all setting stored on flash. Removing battery only reset clock.