Z370M extrem4 -> Corsair RAM not working with XMP

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   I have the Z370 extreme 4 with  1.20b bios . 

I  have 2x8 GB of CMU32GX4M4C3200C16 which is in the QVL. It is inserted in slots A1 and B1. 

The CPU used is an i5-8600k. 

Running the ram at defaults works at 2133 Mhz. Loading the XMProfile, will crash and after that I don't even get to see the bootscreen unless I flush the CMOS. 

Any clue how to work around that. Manual settings perhaps!? A new BIOS/UEFI at the...
or should i  manually set dram's  voltaly up to 1.35v?

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loveacat Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Nov 2017 Location: you Status: Offline Points: 5	Post Options Post Reply Quote loveacat Report Post Thanks(0) Quote Reply Topic: Z370M extrem4 -> Corsair RAM not working with XMP Posted: 20 Nov 2017 at 3:31pm
	I have the Z370 extreme 4 with 1.20b bios . I have 2x8 GB of CMU32GX4M4C3200C16 which is in the QVL. It is inserted in slots A1 and B1. The CPU used is an i5-8600k. Running the ram at defaults works at 2133 Mhz. Loading the XMProfile, will crash and after that I don't even get to see the bootscreen unless I flush the CMOS. Any clue how to work around that. Manual settings perhaps!? A new BIOS/UEFI at the... or should i manually set dram's voltaly up to 1.35v?

loveacat Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Nov 2017 Location: you Status: Offline Points: 5	Post Options Post Reply Quote loveacat Report Post Thanks(0) Quote Reply Posted: 20 Nov 2017 at 3:34pm
	by the way, the cpu fan will run at full speed in about 3 seconds when i restart the computer and then recover to normal speed. is there any way to close it? it's very noisy

ragnarok Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Nov 2017 Status: Offline Points: 5	Post Options Post Reply Quote ragnarok Report Post Thanks(0) Quote Reply Posted: 20 Nov 2017 at 4:52pm
	Have you tried A2 & B2? The manual suggests those for a two slot set-up (page 17) http://asrock.nl/downloadsite/Manual/Z370%20Extreme4.pdf (However, this doesn't help on my z370m pro4 either. I have pretty much the same problem there).

loveacat Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 20 Nov 2017 Location: you Status: Offline Points: 5	Post Options Post Reply Quote loveacat Report Post Thanks(0) Quote Reply Posted: 21 Nov 2017 at 8:30am
	hi, i have tried a2 & b2 , xmp works fine??nbsp;