glitchman
Junior Member
- Sep 23, 2017
- 11
- 0
- 11
X79 use E5V1 E5V2 can also increase frequency or lock all cores MAX turbo with the bios changing some old microcodes.Unfortunately this is a Haswell bug and AFAIK does not apply to IvyBridge (v2)
An update to my little C state problem. Put my 2683 V3 in the Asrock Taichi and C-states work great with the same server 2016 install. Stupid Gigabyte...
Now I'm going to break it down and put this new to me 2696 in it...
Do you get package states also? If you change BIOS from P1.40 to P1.50 please make a note of your Tjmax before and after.
When will you release the source code?There is no versioning as binaries will be provided on an as-requested basis.
What MSR did you use for that? I want to modify C_Payne's source code.-- ability to set voltage offset for System Agent (for even further increased power savings)
This weekendWhen will you release the source code?
Careful with power limiting on the Taichi, check that your not throttling.
Yes, PC2 works but I don't get PC6. AFAIK PC3 isn't an option for E5-v3's. Lowest power from the VRM shows about 18W for the CPU when idle, I don't remember what the non modified BIOS was but do remember seeing 65W from the wall vs 75W with the mod.
Now i find time and reinstall Win10. Now work 2 CPU stable in normal mode at stock. But when I flashing bios without microcode + load v3x2_70_50 - windows dont boot. It's freeze while loading at logo screen with loading-circle.Hi!
Anybody know ehst i need will do with next situation:
Z10PE-D8, was e5-2696v3QS unlocked. Normal working.
When I put second e5-2696v3QS - i see it at BIOS, POST and Windows SAFE mode, but not in normal mode. When i try boot normal - this stuck at loading, then i need do reset.
Now i use it so: load safe mode, then go to msconfig -> advanced -> use maximum cores (and i can setup only 36 maximum). But at taskmanager i see all 72 cores. And this option help me boot windows10 in normal mode, but only with 1 cpu.
I tryed change cpus in sockets, but same situattion. I dont want reinstall windows but this installation previously worked at lga1366 and x99taichi with snother cpu ))
Any ideas?
-70 mV vcore and -50 mV cache are too much for your CPUs.v3x2_70_50
Yeah I'm not sure which part would be power limiting.
AWESOME!ritten from the ground-up in C to compile to a x64 EFI DXE driver for Boot Services access to the MSRs
Oh, finally i did it. Simply need to disable c3/c6 states and windows booted. I found same bug on supermicro mobo also.Now i find time and reinstall Win10. Now work 2 CPU stable in normal mode at stock. But when I flashing bios without microcode + load v3x2_70_50 - windows dont boot. It's freeze while loading at logo screen with loading-circle.
Working good, seems stable.-70 mV vcore and -50 mV cache are too much for your CPUs.
More EFIs: https://peine-braun.net/public_files/XEON_V3_BIOS_MODS/EFI-Drivers/dual CPU/
It's not a bug at all. You rised up minimal vcore value for your CPUs, because you disabled C3/C6 states.Oh, finally i did it. Simply need to disable c3/c6 states and windows booted. I found same bug on supermicro mobo also.
When i used only one e5-2696v3 with this motherboard - c3/c6 states was enabled and it without problem.It's not a bug at all. You rised up minimal vcore value for your CPUs, because you disabled C3/C6 states.
You can just flash Canonkong's BIOS with removed microcodes and probably (because ASUS mobo) set max TurboBoost and Uncore values right in the your UEFI settings.I have also seen Canonkong's BIOS mods
Maybe VRM voltage sags a little when dual CPUs are used.When i used only one e5-2696v3 with this motherboard - c3/c6 states was enabled and it without problem.