ASrock Z370 Extreme 4 - RAM problem ?

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   I got the ASrock Z370 Extreme 4 and a 8700K using this RAM:

http://www.corsair.com/en-eu/vengeance-lpx-16gb-2x8gb-ddr4-dram-3000mhz-c15-memory-kit-black-cmk16gx4m2b3000c15

I have the 5.30 version and it is listed in the Memory QVL, so it should be OK?

Well, having everything at default and no OC it works fine, but when I switch the RAM to XMP 2.0 profile, the system does not start anymore. Only way to use XMP is with adjusting DRAM voltage to 1.405.
But it should work with 1.35, doesn't it?

Bios is latest 1.20 version.

Is the RAM faulty?
Should just accept using higher DRAM voltage?

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Shelley Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Nov 2017 Status: Offline Points: 8	Post Options Post Reply Quote Shelley Report Post Thanks(0) Quote Reply Topic: ASrock Z370 Extreme 4 - RAM problem ? Posted: 13 Nov 2017 at 9:35pm
	I got the ASrock Z370 Extreme 4 and a 8700K using this RAM: http://www.corsair.com/en-eu/vengeance-lpx-16gb-2x8gb-ddr4-dram-3000mhz-c15-memory-kit-black-cmk16gx4m2b3000c15 I have the 5.30 version and it is listed in the Memory QVL, so it should be OK? Well, having everything at default and no OC it works fine, but when I switch the RAM to XMP 2.0 profile, the system does not start anymore. Only way to use XMP is with adjusting DRAM voltage to 1.405. But it should work with 1.35, doesn't it? Bios is latest 1.20 version. Is the RAM faulty? Should just accept using higher DRAM voltage?

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8547	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(1) Quote Reply Posted: 14 Nov 2017 at 10:36am
	Dear Shelley, Thank you for choosing ASRock and contacting us. Regarding your case, we have tested Corsair CMK16GX4M2B3000C15 ver: 5.30, 4.23, and 3.32 in our lab, all can works properly. We provide some suggestion to verify: 1. Please only install one stick memory on B2 slot to check if system can run at DDR4-3000. 2. Try another memory on B2 slot. 3. Install the memory modules on A2, B2 slots to check. 4. Because the memory controller is inside the CPU, if possible, please change another CPU to check. 5. Please try this memory module on another Z370 series system to check. Thank you! Yours truly, ASRock TSD

Shelley Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Nov 2017 Status: Offline Points: 8	Post Options Post Reply Quote Shelley Report Post Thanks(0) Quote Reply Posted: 14 Nov 2017 at 5:50pm
	Thanks for your reply! 1. Works 2. Works 3. Both modules work in A2 + B2 with XMP activated. Previously I placed them in A1 + B1. 4. Not possible 5. Not possible Conclusion, A1 and B1 defective? Edited by Shelley - 14 Nov 2017 at 5:50pm

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8547	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 21 Nov 2017 at 10:16am
	Dear Shelley, Thank you for your reply. Please check the user manual page 17, we suggest to use A2, B2 slots when two DIMM installed. http://asrock.pc.cdn.bitgravity.com/Manual/Z370%20Extreme4.pdf Thank you! Yours truly, ASRock TSD

AllBetsOnJames Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Nov 2017 Status: Offline Points: 1	Post Options Post Reply Quote AllBetsOnJames Report Post Thanks(0) Quote Reply Posted: 23 Nov 2017 at 1:26am
	im using the exact same set up but for me i cant even get anything to show up when the system powers on. Computer stays running but no displays in any of the slots...any ideas on what i may have done wrong. I just get a red light next to Bios A_LED. while all fans and everything spin and run.

Iol Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Jun 2019 Status: Offline Points: 2	Post Options Post Reply Quote Iol Report Post Thanks(0) Quote Reply Posted: 05 Jun 2019 at 11:25am
	Hello there, I have the same problem. I updated the BIOS to 4.0 and now it doesn't even start with A1/B1 like before. It only starts with one single stick in A1 or B1 Oh no what have I done Heeeeeewlp please!

Iol Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Jun 2019 Status: Offline Points: 2	Post Options Post Reply Quote Iol Report Post Thanks(0) Quote Reply Posted: 05 Jun 2019 at 11:43am
	Weeeell. It turned out that I damaged my 2nd RAM after the 20th attempt to test every slot. I think I don't need dual channel anymore.

ssyipa Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 May 2018 Status: Offline Points: 7	Post Options Post Reply Quote ssyipa Report Post Thanks(0) Quote Reply Posted: 07 Nov 2020 at 5:27pm
	I can only use B1 B2, seems cannot detect anything on A1 A2 ....