ill use this thread to collect some new test bioses for the boards, maybe also to explain some less understood options
to disable cores ccd go here and choose ccd xx bit map down core.
each ones stand for an enabled core
best to disable from the back, ie:
110000
instead of 0011000
after selection press downcore apply changes or discard if made mistake
ocpak/octools
FAQ:
7950x not boosting pass 5.5G -> check that CStates is not disabled
Detailed Explanation on CState Boot Limiter
Test BIOSes:
new:
X3D OC Preset for those MB with asynch BCLK Support: (for simple slight perf boost for X3D)
DOCP/EXPO Tweaked: (for simple timings tightening)
strixe-e 1515
for crosshair and strix e-e:
explanation of segment2 Loadline:
customize a heterogenous loadline for a dual segment workload range.
example above shows loadline=L6 when current is in range of 0~40A, and Level4 when current is above 40A.
Adds for x3d
dynamic ccd priority switch with core flex, os / driver agnostic so win10 win11 ok
Algo as follows:
If condition reached and ccd0 specified, then check current mem/cache activity > threshold and hysteresis reached, if fulfilled then switch
If condition reached and ccd1 specified, then check current mem/cache activity <=threshold and hysteresis reached,, if fulfilled then switch
Default hysteresis =4
Can combine multiple algos for ccd priority so combinations are wide
works on non x3d too but of course senseless on it. detailed explanation here.
Karhu isnt free- its 10 Euros, but worth it. believe me
Karhu: on "Advanced"-Tab set - "CPU cache" to "Enabled"
When i have PD and MCR on Auto i have 0 Errors (Testet until 5000% yesterday), when i Enable MCR and PD i have the first error at around 100%
-Errors under 1000% can be caused by wrong voltages ->"stress Memory"-> VDIMM, "stress cache"-> VSoc
i tried VSoc between 1.1 and 1.35 (which was at 1004 at 1.35 V by default...............") no changes
-Errors between 1000% and 5000% can be caused by wrong ProcODT and / or RTT - i did not make changes yet here
Aida64 Stresstest Crashes instant when i raise FCLK by 33Mhz or when have BCLK on 102% and higher (with 0805 ABCLK 103% was no Problem)
Can you share your Voltages?
VSoc
VDimm
Proc ODT
Timings: Trefi
Best would be a ZenTimingsScreenshot like this
