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X399 taichi recognizes only 24G out of 32G memory

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msteen View Drop Down
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Joined: 09 Aug 2021
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Post Options Post Options   Thanks (0) Thanks(0)   Quote msteen Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2021 at 11:21pm
I had the same problem:
Mainbord Asrock Taichi x399
CPU: TR 1950X
RAM: GSkill Aegis 3200, 16GB, 2 bars

BIOS showed only one RAM slot populated, 8GB.

Then I tried a different RAM: Corsair Venegeance 16GB, 2 bars
Result: same problem (1 slot populated, 8GB only)

Then I tried another RAM: GSkill Flare 16GB, 2 bars
Result: same problem (1 slot populated, 8GB only)

Then I removed the CPU and re-installed it again (because I just read
this thread)
Result: 2 slots populated, 16GB. Finally!!

Thank you for your support! Re-installing the CPU seems to solve
the problem with the unpopulated ram slots.










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Xaltar View Drop Down
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Joined: 16 May 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 10 Aug 2021 at 12:05am
Indeed, an improperly seated CPU is almost always the issue with RAM detection on
Threadripper systems. The CPU is just so large that the slightest uneven pressure
can cause a corner to be lifted slightly causing poor/no connection of some of the
pins.
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