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Hi all:

I encountered a very bad issue with my new built PC,

I was hoping to enjoy some gaming after I assemabled my PC but it refuse to POST after I entered BIOS and turn on XMP,

My PC is not able to POST with anything pass 3859Mhz (Dram Freq).

Please kindly help if you encounter similar issue or know what's wrong with my hardware.

Spec of my PC:
CPU - I9 7980XE
RAM - G.Skill F4-4133C19Q-32GTZRF (Quad channel, installed in A1 B1 C1 D1 as per the manual)
VGA - MSI 1080TI Gaming X
MB - ASUS Rampage VI Extreme
BIOS - 1102 X64 (newest BIOS at this moment)
Sound card - SB ZXR
HDD - 5 SSD plus 1 NVME SSD
PSU - Corsair AX1200i
OS - Windows 10 Professional

What I tried so far:

1) Input everything by hand, Multi Core Enhancement & Intel Turbo Boost is On, DRAM Freq set to 4133 with DRAM Volt set to 1.35, my PC refuse to POST with error code B0 (detect memory)

2) Input everything by hand, Turned off Multi Core Enhancement, only Intel Turbo Boost is On, DRAM Freq set to 4133 with DRAM Volt set to 1.35, my PC refuse to POST with error code B0 (detect memory)

3) Input everything by hand, Turned off Multi Core Enhancement, only Intel Turbo Boost is On, DRAM Freq set to 4133 with DRAM Volt set to 1.40 & VCCIO, VCCSA set to 1.25v, my PC refuse to POST with error code B0 (detect memory)

4) Use the Auto settings in BIOS, DRAM Freq set to 4133, my PC refuse to POST with error code B0 (detect memory)

5) Try using the XMP profile that comes with the kit, my PC refuse to POST with error code B0 (detect memory)

6) Using XMP profile, but lower the DRAM Freq. to 3589 Mhz, able to enter windows, but I experience slow down from time to time, I guess that not very stable... (the slow down is like, you have a steady 60FPS in the game, but suddenly it feels like 30FPS but you can clearly see the FPS didn't drop, and it backs to normal after a few mintues)

What other settings in the BIOS can I try? Could it be I got a faulty kit? or a faulty CPU? or the MB itself got issue?

Some people told me that my CPU will not be able to run memory with such high speed unless I am very lucky and received the best 7980XR.

I can't believe I just can't simply turn on XMP with such hardware that I have. (I never encounter such issues in the past with my other PCs)

Thanks for helping.
 
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