Any RAM actually work on X870E Taichi

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   I cant get to post with two sticks of RAM.  Only one.  I looked this up and it is extremely common and it doesn't look like it is getting resolved.  It appears the QVL is not accurate and nobody really knows what works.  

This is my first ASRock product and this looks extremely bad.  I have a few days left before I return it and I would like to give this another shot but a day of research has not really yielded a path forward.  

I would appreciate any information on known working 64GB kits for the X870E Taichi.  

Thank you in advance.

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username_Bond Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Nov 2024 Status: Offline Points: 35	Post Options Post Reply Quote username_Bond Report Post Thanks(0) Quote Reply Topic: Any RAM actually work on X870E Taichi Posted: 17 Nov 2024 at 10:07am
	I cant get to post with two sticks of RAM. Only one. I looked this up and it is extremely common and it doesn't look like it is getting resolved. It appears the QVL is not accurate and nobody really knows what works. This is my first ASRock product and this looks extremely bad. I have a few days left before I return it and I would like to give this another shot but a day of research has not really yielded a path forward. I would appreciate any information on known working 64GB kits for the X870E Taichi. Thank you in advance.

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 4960	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 17 Nov 2024 at 8:03pm
	You're using A2 and B2 slots, right? [CPU]-[A1][A2][B1][B2]

username_Bond Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Nov 2024 Status: Offline Points: 35	Post Options Post Reply Quote username_Bond Report Post Thanks(0) Quote Reply Posted: 17 Nov 2024 at 8:57pm
	Yes. B2 works solo but adding the second module into A2 guarantees a AA-21 post code.

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 4960	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 17 Nov 2024 at 9:16pm
	A and B channels are independent. Does it work with one stick on A2? If it doesn't, that would indicate a problem with A channel. It could be a number of things, like bad contact on one or more pins related to memory A channel. Remember, the memory controllers are inside the CPU and certain pads on the CPU are connected directly to the DIMM slots. If it works, wow, that's weird. Firmware issue? One thing I always found crazy is people touching the bottom of the CPU where the pads are. Extremely high frequency signals need to go through a lot of these pads, so any kind of bad contact can cause all kinds of issues (PCIe, DDR, etc.). But of course, there could be a defect somewhere, too, in the CPU or on the motherboard, etc. Have you tried re-seating the CPU?

MrFabulous Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 15	Post Options Post Reply Quote MrFabulous Report Post Thanks(0) Quote Reply Posted: Yesterday at 6:52am
	Any update on this issue? I am also experiencing codes AA and 21 and and need to hard power cycle the system to get it to post.