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January 25, 2026, 06:34:12 PM |
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A week ago from this thread date.
Monero-XMR.
So, I upgraded the FW of my Asus TUF B850 Gaming WIFI motherboard from 1079 to TUF-GAMING-B850-PLUS-WIFI-ASUS-1402, In the process of upgrading any MB FW, you must set defaults of the motherboard BIOS/UEFI settings as I've always known since 2002.
I have learned something very important about Monero mining with xmrig. This have sat in the back of my head to test but never had.
Memory Timings is very crucial to xmrig.
My RIG:
TUF-GAMING-B850-PLUS-WIFI-ASUS
AMD AM5 9950x
GSkill Trident Z5 f5-6800j3445g16gx2-tz5rk SK-Hynix A-Die
Nvidia Founders Edition RTX 3060-TIFE
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XMRig/6.25.0 gcc/13.3.0 (built for Linux x86-64, 64 bit)
I loaded up my OS Linux Mint 22.3. All updated-n-upgraded, latest kernel, previously.
Default UEFI settings: Default motherboard CPU overclock settings the board defaults to, @ 5.11Ghz on load. Default RAM settings.
Ran xmrig, 20,000 Kh/s.
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Custom RAM timings/Voltages and clocked under specs of this set of ram @ 6200 & FCLK@ 2200 w/tight timings that I made sure is stable with Memtest software months ago installed on mint.
Default motherboard CPU overclock settings the board defaults to, @ 5.11Ghz w/ the custom ram settings explained above, I ran XMRig and got 26,000Kh/s.
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That is a 6000 Kh/s improvement by enabling my stable Ram timings/voltages/clock settings.
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Now if I PBO set the CPU overclock, I get 27,400Kh/s.
On overclock.net there is a PBO tuning guide that I do not understand how to do but if someone has the same/near same setup, you could PBO tweaking and get the best out of your AM5 CPU for xmrig.
So, Ram timings are crucial for xmrig.
It took about two weeks for stability settings with finding on the net with similar setups as mine memory timings to start off with, tweaking/tuning stability benchmarking tests to the timings I have discovered works stably.
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