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Asus X99-A 64GB DDR4 Clover UEFI have to boot (maxmem=32768)

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Aug 4, 2010
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Motherboard
X79 Sabertooth - 2104
CPU
i7-3930K
Graphics
HD 6850
Hi Im running the 5820K on Asus X99-A bios 1802, Nvidia GTX760 followed your instructions to the dot and system works fine with 32GB DDR4 (4x 8GB DDR4 2133) full UEFI boot.

However after updating to 64GB RAM (8x 8GB DDR4) the system halts at "still waiting for root device" followed by a circle and cross.
Windows detects all 64 GB and works fine

After a restart I tired to boot with bootarg maxmem=32768 and it booted. Removed the additional 32GB (4x 8GB) and the system boots perfectly.

At the same time with legacy bootloader it boot perfectly with 64GB.

Could it be a clover issue? This is my 3rd X99 build 1 with a 5960x & 1 with a 5820K both on the Asus X99A, both were with 4x 8GB DDR4. So i think it maybe a clover memory map issue..

Any info would be really appreciated. Thanks a ton guys for all the hard work & help. Would gladly make a donation to you guys
 
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