AB350M RAM Problems

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   Hi!

I´m trying to build a ryzen 5 1600 rig with this motherboard and 2x4 CMK8GX4M2B3000C15 v5.29 RAM sticks.

When I plug both sticks in the MB (a2-b2) then the PC fails to POST. However, it works flawlessly with only ONE stick plugged. Either one of the sticks works, but ONLY if the other one is not connected.

Sometimes (rarely) it manage to boot succesfully when both sticks are plugged, but even in that case only one stick is detected in Windows or BIOS. 

According the QVL list that RAM isn't compatible, my fault for not check the list before buy anything, but... is that MB extrange behavior expected when RAM is incompatible?

Edited by asdf - 17 Dec 2017 at 2:21am

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asdf Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Dec 2017 Status: Offline Points: 4	Post Options Post Reply Quote asdf Report Post Thanks(0) Quote Reply Topic: AB350M RAM Problems Posted: 17 Dec 2017 at 2:13am
	Hi! I´m trying to build a ryzen 5 1600 rig with this motherboard and 2x4 CMK8GX4M2B3000C15 v5.29 RAM sticks. When I plug both sticks in the MB (a2-b2) then the PC fails to POST. However, it works flawlessly with only ONE stick plugged. Either one of the sticks works, but ONLY if the other one is not connected. Sometimes (rarely) it manage to boot succesfully when both sticks are plugged, but even in that case only one stick is detected in Windows or BIOS. According the QVL list that RAM isn't compatible, my fault for not check the list before buy anything, but... is that MB extrange behavior expected when RAM is incompatible? Edited by asdf - 17 Dec 2017 at 2:21am

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: 17 Dec 2017 at 2:31am
	what bios version is it running ? either read the paper sticker on the motherboard bios chip or boot into bios with one stick and check if its an early version i suggest updating the bios (and using just the one stick in slot a2) while doing the bios update , make sure you set all bios to default before flashing and again after flashing
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

asdf Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Dec 2017 Status: Offline Points: 4	Post Options Post Reply Quote asdf Report Post Thanks(0) Quote Reply Posted: 17 Dec 2017 at 2:37am
	I´ve already flashed bios to the last version availaible, 3.30, but still have the same problem when i try to plug both sticks.

donalgodon Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Sep 2017 Status: Offline Points: 90	Post Options Post Reply Quote donalgodon Report Post Thanks(0) Quote Reply Posted: 17 Dec 2017 at 2:40am
	it could be a bad second socket.

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: 17 Dec 2017 at 5:02am
	just to test try slots a1 and b1 before doing so reset the ram speed to 2133 first though and see what happens then
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold