Somehow DDR4 do not work in ASrock motherboard.

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   I need some help, would appreciate anything. So, i have a Fatality x370 gaming 4 motherboard and a patriot viper 2666 frequency ddr4 kit  [PVE432G2266C6KBL] for 2x16 (32 total) gb. Pc working well with one of memory units. When im installing both of them, it do not start at all. when im installing the second one only, it do not start at all. I was thinking, that the second unit of the kit is damaged, but when i tried both of them separately and together in another pc with a sh*tty 50$ motherboard, i found that ddr is perfectly fine. Any suggestions?

Edited by Elijaa - 15 Apr 2018 at 2:48am

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Elijaa Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Apr 2018 Status: Offline Points: 3	Post Options Post Reply Quote Elijaa Report Post Thanks(0) Quote Reply Topic: Somehow DDR4 do not work in ASrock motherboard. Posted: 15 Apr 2018 at 2:47am
	I need some help, would appreciate anything. So, i have a Fatality x370 gaming 4 motherboard and a patriot viper 2666 frequency ddr4 kit [PVE432G2266C6KBL] for 2x16 (32 total) gb. Pc working well with one of memory units. When im installing both of them, it do not start at all. when im installing the second one only, it do not start at all. I was thinking, that the second unit of the kit is damaged, but when i tried both of them separately and together in another pc with a sh*tty 50$ motherboard, i found that ddr is perfectly fine. Any suggestions? Edited by Elijaa - 15 Apr 2018 at 2:48am

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: 15 Apr 2018 at 6:25pm
	there is the chance the cheap motherboard is not performing enough pre boot checks to identify a defective stick, and your x370 is failing it on boot try running memtest on the stick in question in the cheap mother board and find if it is indeed good or partially dud
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cx5 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 15 Sep 2017 Location: Hong Kong Status: Offline Points: 2398	Post Options Post Reply Quote cx5 Report Post Thanks(0) Quote Reply Posted: 16 Apr 2018 at 11:08am
	Hi Elijaa, just in case, I would like to share this,dual ram must be in slot A2 with B2, cannot be A1 nor B1. While single ram can be in any slot. That's why you boot ok when run 1 only. Traditionally in DD3/DDR2 I think they were both in A1 and A2, but it's not fixed dead rule. Anyway, ASRock for Ryzen/DDR4 must be in A2 with B2. See
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