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ASUS ROG Zenith Extreme X399 ThreadRipper Overclocking / Support

post #1 of 1989
Thread Starter 
Notice: Some boards have older firmware for the onboard OLED/AURA, which can cause some strange issues. Update to the latest version, first V1.00.10, link, then V1.00.13 link. Run the .exe from within Windows

Last update date:- 12/12/17
Last update:- UEFI 0012 added to OP.

ASUS ROG Zenith Extreme X399 AMD ThreadRipper - Overclocking / Support



UEFI (listing as latest at top)
Warning: Spoiler! (Click to show)
UEFI 0012 - see this post for info.

ROG-ZENITH-EXTREME-ASUS-0012.zip 5058k .zip file

SHA-256: 48DFA8458A1B3E251DCDF2FC47BB620BD75A3D5E8855FBB8B19C822199860B80

UEFI 0804 - see this post for changes.

ROG-ZENITH-EXTREME-ASUS-0804.zip 5058k .zip file

SHA-256: 57465F569F40C2032AEA122F74019456B753772C3ABF9BB4D53E2D01346E8DBD

UEFI 0007 - Improves DRAM margins when using Hynix-based DIMMs in 2DPC configuration.

ROG-ZENITH-EXTREME-ASUS-0007.zip 5062k .zip file

SHA-256: 593B464D8B1F36AE8B235566B93A4D9664394C77812CDE0B847CB5EAB91350C5

UEFI 0801 - Revised memory rules, fixed CPU temp reporting issue after CMOS clear, UEFI RAID driver updated, Secure Erase string update.

(Notice: To avoid issues, do not update to this beta BIOS if you already have a SATA RAID configuration. For more details and instructions regarding the BIOS/RAID driver, please refer to the following link.)

ROG-ZENITH-EXTREME-ASUS-0801.zip 5075k .zip file

SHA-256: FAA5CABB5905A6BDA82E35D6997E3998FD1E745A3AC57B70EFED5C5FA1475808

UEFI 0603 - Includes previous Ai suite patch, RAID driver update, and a patch for Inateck 7-port KTU3FR-5O2U to solve POST issues.

ROG-ZENITH-EXTREME-ASUS-0603.zip 5074k .zip file

SHA-256: EB76E47385FB436520D31A67EB831D7A0EAA584D08AFE7701526BD9BFC52E301

UEFI 0046 plus updated AiSuite links in this post.

ROG-ZENITH-EXTREME-ASUS-0046.zip 5058k .zip file

SHA-256:84599CAE41B64B384C3C50A633E5FB289EBE522F72CC9BC8CAEC533BA62FEFDB

UEFI 9960 Beta - Automatically applies a 2T Command Rate for 2 DPC configs when above DDR4-2820.

ROG-ZENITH-EXTREME-ASUS-9960.zip 5058k .zip file

SHA-256: F3375608AF240F3A252BFE341FF8398DC38FADD3313C03B41F619828DA195E32

UEFI 0601 Official - Public release build. This will be on the support pages soon. Same as the 9910 beta. Please clear CMOS after updating (allow the update to complete fully before doing so!). For those of you still experiencing memory instability, try setting a 2T Command Rate.

ROG-ZENITH-EXTREME-ASUS-0601.zip 5058k .zip file

SHA-256: FA311F9B95B397340A1AF2F97016A9145B2C34B7631C18615E82F043F73B9CDC

UEFI 9910 Beta - Improved dual rank memory tuning.

ROG-ZENITH-EXTREME-ASUS-9910.zip 5056k .zip file

SHA-256: B97A061F8B9695267E6C55C2D900AD866FF532C2A326EFF6B91F73C71DEC1D72

UEFI 9906 Beta - More DRAM tuning for compatibility/OC, added CLDO VDDP Voltage under Tweaker's Paradise, also synchronized HWM CPU temp with monitor.

ROG-ZENITH-EXTREME-ASUS-9906.zip 5054k .zip file

SHA-256: 95D5764CD0838ACC8B43D8AD65128399981E88137A34CD54EDF5BAD6706996D2

UEFI 9980 Beta - Improves memory overclocking. Please note, some boards have older firmware for the onboard OLED/Aura, which can cause some strange issues. Please update to the latest version here

ROG-ZENITH-EXTREME-ASUS-9980.zip 5054k .zip file

SHA-256: 6158C4A25064CD72700D1A1B20A611F5B07F437DCA4AB54BDA7AD831D007752E

UEFI 9964 Beta - Improves memory overclocking, and adds 'Ln2 Tune' option to Tweaker's Paradise.

ROG-ZENITH-EXTREME-ASUS-9964.zip 5054k .zip file

SHA-256: 6054D525D4032AF2F6BC93DACE12C89B4E514430217EF3C468FE4FA5B07C6ED9

UEFI 0502 and Aura Firmware Update Tool - Updated AMD AGESA code and fixes some of the issues with 0501, Aura firmware update patches bugs that some users are experiencing.

ROG-ZENITH-EXTREME-ASUS-0503.zip 5054k .zip file

SHA-256: E58B8AF2E3E368AF928CC82D5F138F1BA19AF16E8D36039DFE9E1B47CA54F12A

AURA Update gain from support page, link.

The Stilt's ZE modified Unofficial UEFI
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by The Stilt View Post

The 0801 bios appears to be a significant improvement over the older ones (e.g. 0701), at least in regards of the maximum MEMCLK.
The board is now definitely 3466MHz capable, which definitely was not the case on the older bioses (at least on my setup). There still appears to be some shenanigans with the cold boots, but most of the time it is able to cold boot without hitting the recovery threshold. That will most likely be remedied as the platform matures.

I had some quad channel dual rank (64GB) B-die kits laying around, so I decided to give them a shot.

Reaching 3200MHz with 4x16GB config in this case was actually easier than on AM4 platform.
Cold boots are a major pain, but the memory itself works without any issues.
Warning: Spoiler! (Click to show)



DRAM timings as seen in the SC.
1.3300V DRAM (boot & runtime), 1.0500V SoC (manual), 80Ohm ProcODT, everything else at "Auto".

ps. Don't touch tRDWR & tWRRD since it is not homogenous between the channels (CH A&C - B&D have different values).

I was using a modified version of the 0801 bios, with following changes in it:

- PMU FWs downgraded ("46" -> "42")
- "Memory Access Mode" brought back to AiTweaker-tab (in previous builds only available through CBS)
- Fixed AGESA build-string (0.0.6.0 to 1.0.0.3)

Most likely it won't make any difference, but feel free to try. If you're using 2 DPC config stick in the original 0801 build.
The bios is only updateable using Flashback.

Zenith Extreme 0801 SP42M (Unofficial)
Quote:
Originally Posted by ReHWolution View Post

Hi The Stilt, I always use your presets, those are amazing! May I ask what are the benefits in downgrading the PMU from46 to 42? Also, what's the PMU? Sorry for the stupid questions, but I'd love to learn more on the platform, as right now I'm on a 1950X/ZE too smile.gif
Quote:
Originally Posted by The Stilt View Post

The newer PMU FW is targeted more towards 2 DPC compability and in some cases might not be the optimal choice for 1 DPC.
PMU (Phy micro-controller unit) is the memory controller inside the CPU.

UEFI Flashback
Warning: Spoiler! (Click to show)
My procedure

i) UEFI filename as ZE.CAP, copy to USB stick root.
ii) Load UEFI defaults prior to doing flashback and let mobo repost and shutdown.
iii) Make sure USB stick is in Flashback port (marked in red box below image)





iv) Press and hold the Flashback button (blue box, above image) ~5secs. Blue LED on the button will flash slow for a few seconds and quicken as it starts update process. At the end of process it will extinguish, you are ready to boot up. If the blue LED stays constant the UEFI file was not found on USB stick, so check USB stick is correct format and filename is correct.

http://event.asus.com/2012/mb/USB_BIOS_Flashback_GUIDE/

Known issues/Workarounds
Warning: Spoiler! (Click to show)
Readings of BCLK in monitoring SW (Click to show)
Quote:
Originally Posted by elmor View Post

There is no such fluctuation, it's 100% a readout problem. Reference clock is not directly measured, but calculated using a suitable counter and prone to errors. The only platform which has hardware counters for reference clock is Skylake/Kaby Lake. Do you have any details on accuracy @Mumak?
Quote:
Originally Posted by Mumak View Post

That's right - only very few CPUs allow true hardware measuring of BCLK (i.e. Skylake). For the rest we need to perform certain (often indirect) measurements to determine the BCLK and this can of course show slight fluctuations, especially under heavy system load.
HWiNFO has an option to disable BCLK "Periodic polling", so it will sample BCLK only once and don't perform periodic measurements and thus show fluctuations. I'm sorry, but there's no other way around this, as long as manufacturers don't offer a true measuring like in Skylake.

To set HWINFO to only take BCLK measurement one time set app in settings as below. This will mean you won't see erroneous shifts on BCLK, resulting in CPU/RAM clocks being shown incorrectly. These settings are accessed at launch of app by selecting settings.



Due to the proximity of 1st PCI-E slot, large HSF like NH-U14S will be an issue on ZE, see the computerbase.de article, translated.

HPET: Enabled has been highlighted as an issue on TR, patched beta version of AiSuite that does not enable HPET.

HPET can also be disabled by using a command prompt/powershell, opened as admin.

bcdedit /set useplatformclock false to disable
bcdedit /set useplatformclock true to enable

NVMe RAID current current known issues in this AMD KB.

AMD ThreadRipper CPUs Info
Warning: Spoiler! (Click to show)





AMD X399 Chipset Info
Warning: Spoiler! (Click to show)

NVMe RAID
Warning: Spoiler! (Click to show)


AMD Community NVMe RAID guide, please read known issues within AMD KB.


Finally figured out why THREADRIPPER has so many PCIe lanes drool.gif .

Flaxen Hegemony has shared testing of RAID 0 and ASUS RAM Cache II (thumb.gif), discussion from this post onwards in thread. Please take not of Ljugtomten's post.

Ryzen Master for Thread Ripper and Profiles
Warning: Spoiler! (Click to show)



VRM Info
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by The Stilt View Post

Zenith Extreme: 8x IR3555M 60A (VDDCR_CPU), 3x TI 97374M 25A (VDDCR_SOC).
Both loops driven by their dedicated custom (ASP1405) Salem-series (IRF) controllers.
Quote:
Originally Posted by The Stilt View Post

The inductors are most likely the same as on C6H, i.e microfine SMDs.
FPCAPs (10K) everywhere, VDDCR_CPU filtering is taken care by 12x 470µF FPCAP tantalum caps.
Quote:
Originally Posted by The Stilt View Post

Quote:
Originally Posted by CrazyElf View Post

It actually looks like a serious heatsink as opposed to a solid block of aluminum.
I'm surprised they didn't use 12K caps which they use on their WS series of boards. Not a big deal though.

As expected though, it is 8x IR3555M. Thanks for confirming. They have used this on the X99 Rampage Extreme, the X299 Rampage Extreme I think, and now the X399 Zenith Extreme.
As long as the capacitor itself is high quality (which obviously is the case with FPCAPs) anything above 2000 hours @ 105°C rating is essentially excessive, unless we're talking about hi-rel solutions such as medical, aerospace or space type of applications. The 10k rated caps will have a projected life time of ~178k hours at sustained 80°C.

Below is an photo showing the portion of cooling for CPU VRM under the shield. The heatpipe from the main heatsink goes to a fin array with the cooling fan, it makes no contact with PCB components. In that area is 2 phase VRM for DRAM slots on left side of CPU.





The SOC VRM does not have any cooling, just like both 2 phase DRAM VRM. I marked below image from and further info in @Sin0822 review of ZE on TweakTown.


Cooling Threadripper
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by The Stilt View Post

Cool isn't exactly the term I would use to describe TR with thinking.gif

At 3.7GHz / 1.15000V my CPU reaches 95°C (tCTL) in less than two minutes on Asetek 570LC, when the pump and both of the fans are running at 100% duty. Asetek 570LC has a small 120mm radiator, however it's a thick one (49mm without the fans).

My opinion from nycgtr experience share is the XSPC Raystorm Neo is the current front runner for best water block for ThreadRipper. The Bykski A-Ryzen-Th-X seems 2nd best and the Phanteks Glacier C399a closely following it from chew* testing. EK TR seems adequate for stock operation, but not so great in comparison to the other blocks when overclocking. So this is trailing "the pack".

PState OC
Warning: Spoiler! (Click to show)
PState 0 default frequency will be 3400MHz on 1950X (Base clock as found in spec).

Set OC Mode to "Customized", Advanced page > AMD CBS > Zen Common Options.



Then go to Custom PStates / Throttling to see screen below.



When you increase MHz by editing PState0 FID (hexadecimal) it will be reflected in the greyed box Frequency (MHz). Using a frequency of 3425MHz+ will enable "OC mode". As CPU is in "OC mode" you will knock out PB/XFR and would need to start "overclocking" PState 0 to gain back higher clocks.

(Note: My recommendation is to set Core Performance Boost on Extremer Tweaker page to [Disabled] when doing a PState OC. This is so if AMD CBS is reset and the CPU enters PB/XFR on a post the additional offset set on Extreme Tweaker does not create overvolt, this was the case on C6H/Ryzen, I have yet to test on ZE/TR.)

What we see as Voltage (uV) (ie 116250) is a ceiling VID for PState 0, when CPU enters OC mode it will snap to 1.1625V.

When CPU is not in "OC mode" and we disable PB/XFR by disabling Core Performance Boost on Extreme Tweaker page and we load CPU, so it only go to PState 0 ceiling MHz, you will observe CPU does not use 1.1625V for 3.4GHz.



As you can see my 1950X sample uses VID: ~1.038V / VCORE (SVI2 TFN): ~1.056V.

PState0 VID is also hexadecimal, when you edit it the change will be reflected in greyed box Voltage (uV).

When you start to OC PState0 you will be doing an "All cores OC", just like when changing CPU Core Ratio on Extreme Tweaker page.

Changing Core/Thread count
Warning: Spoiler! (Click to show)
The menu you need to be in Advanced > AMD CBS > Zen Common Options




As shown in above screen shots when OC Mode is Normal Operation you will not be able to change core/thread count. So set Customised.




FAQ

Stock mode I see high core voltages?
Warning: Spoiler! (Click to show)
This is normal for Ryzen/ThreadRipper. In stock mode due to how Precision Boost / Extended Frequency Range (PB/XFR) works the System Management Unit (SMU) controls voltages and sets them as required for boost clocks. At stock the CPU is power limited, the SMU through various on die sensors monitors "state" of CPU in this context and will determine how many cores can boost and to what level. As these transitions occur very quickly SW monitoring may not give a true picture of what is going on.

At stock CPU uses ~1.5V, why can I not use that when OC'ing for daily use?
Warning: Spoiler! (Click to show)
When highest PB/XFR clocks occur the CPU may only be boosting low number of cores, so amps/power draw is lower, so it can take the voltage the SMU has determined for boost clocks.

When "we" OC, "we" do all cores boost, power limit is also removed, so amps/power draw is higher, so it could be detrimental for silicon to use voltages as seen when PB/XFR occur at stock.

When "we" OC, PB/XFR is disabled, so "we" OC base clock/PState 0, an increase of +25MHz above stock base clock/PState 0 will engage "OC mode".

Voltage recommendation
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by The Stilt View Post

=< 1.35V for sustained use, under full stress.
IMO anything higher than 1.250V on Threadripper is sheer insanity, considering the power draw of these parts.
My CPU at 3.7GHz / 1.150V is drawing 220W of power during Prime95. Considering the scaling of these parts at 1.250V the power consumption would be around 300W.

What is Overclocking Enhancement in UEFI options?
Warning: Spoiler! (Click to show)
Quote:
It enables SenseMi Skew (artificially reading lower temperatures in order to trick XFR to boost longer and higher), Performance Bias and tweaks VRM settings to improve overclockability.

Quote link.

Duplicate setting in UEFI
Warning: Spoiler! (Click to show)
Some of the settings with AMD CBS menu are duplicated in the Ai Tuner section of UEFI. Only a instance of setting needs to be changed, when one is changed the other will not reflect the change but change will apply. AMD CBS options could revert to defaults on failed posts when AMD "code" decides to reset them, Ai Tuner should hold the settings for them to be reapplied.

Power Plan editing in Windows for core parking
Warning: Spoiler! (Click to show)
The registry edit in this post by JackCY has info on enabling editable core parking in Win 10. This thread has information on doing the same on Win 7.

How to Add "Choose Power Plan" to Desktop Context Menu in Windows 7 and Windows 8.

Windows 10: 'Choose Power Plan' context menu - Add in Windows 10

Example image from Windows 7 showing core parking disabled by using value of 100%. Lower values result in more cores being parked.


Useful Links

Asus & X399 The ROG Zenith Extreme: A Complaint & Bug Tracking Thread

Please note there is bug report form in OP here, linked at top. This is viewed by ASUS reps, please do use that.

Der8auer - Ryzen ThreadRipper Delid video.

Ryzen Memory IC Collection Thread

Ryzen Timings Checker v1.01 by The Stilt

HWiNFO by Martin Malik (Mumak on OCN)

RealBench Leaderboard / Download link page

Y-Cruncher by Alexander J. Yee (Mysticial on OCN)

Statuscore by Dannotech (Handy app to test individual/multiple real/SMT cores for clocks/temps/etc)

HCI Memtest

Program to launch many instances, etc of HCI Memtest by OCN member Frikencio

Thaiphoon Burner by Vitaliy Jungle (Voodoo Jungle on OCN) (Usage video)

SIV (System Information Viewer) by Ray Hinchliffe (red-ray on OCN)

More info to be added so please check back.

Edited by gupsterg - 12/12/17 at 12:09am
The Stilt Machine
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The Stilt Machine
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Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
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post #2 of 1989
Thread Starter 
*** Reserved if required ***
The Stilt Machine
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Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
OSMonitorKeyboardPower
Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
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SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
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The Stilt Machine
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Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
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Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
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SilverStone TJ06 Logitech G700S 
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post #3 of 1989
Just built my Threadripper rig with this board and first boot up won't post, I get post code B2, Load VGA bios... any thoughts here?
post #4 of 1989
Quote:
Originally Posted by alucardis666 View Post

Just built my Threadripper rig with this board and first boot up won't post, I get post code B2, Load VGA bios... any thoughts here?
I had this issue on early UEFI versions. You need to wait longer, it should progress past B2 eventually - or use flashback to upgrade to 0401 or 0503 UEFI.
post #5 of 1989
UEFI 0401 and later don't have Memory Access Mode in UEFI (UMA/NUMA switch) - impossible to switch modes if you don't have Ryzen Master, especially on Linux frown.gif
post #6 of 1989
Thread Starter 
@alucardis666

Do as xoqolatl has advised smile.gif .

Use Flashback, there is also latest beta 9964 in OP smile.gif . If you have repeat issue please state Q-LED status as well wink.gif .

The Stilt Machine
(14 items)
 
XPS - i5 4690K
(12 items)
 
XPS - Q6600
(8 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
OSMonitorKeyboardPower
Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
CaseMouse
SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
i5 4690K@4.9GHz 1.255V Asus Maximus VII Ranger Sapphire Fury X@1145/545 HyperX Savage 2x8GB 2400MHz C11 
Hard DriveCoolingOSMonitor
Samsung Evo 840 TR Archon SB-E X2 Win 7 Pro x64 / Win 10 x64 Asus MG279Q 
KeyboardPowerCaseMouse
Cherry MX-Board 3.0 Cooler Master V850 SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
Intel Q6600 G0 Asus P5K Premium Black Pearl Sapphire Toxic HD5850 Corsair Dominator 4GB 
Hard DriveCoolingOSPower
Crucial MX 100 256GB TR TRUE Rev.A Win 7 Pro x64 Cooler Master V650 
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The Stilt Machine
(14 items)
 
XPS - i5 4690K
(12 items)
 
XPS - Q6600
(8 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
OSMonitorKeyboardPower
Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
CaseMouse
SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
i5 4690K@4.9GHz 1.255V Asus Maximus VII Ranger Sapphire Fury X@1145/545 HyperX Savage 2x8GB 2400MHz C11 
Hard DriveCoolingOSMonitor
Samsung Evo 840 TR Archon SB-E X2 Win 7 Pro x64 / Win 10 x64 Asus MG279Q 
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post #7 of 1989
Got it last week and had flashbacks of the earlier C6H days. As of BIOS 0502, I'm unable to run my Sammy B OEM modules higher than 2933MHz, no matter the timings or voltages. I was using the known stable settings from C6H to no avail. Maybe BIOS 9964 helps.

Edit:

I just flashed 9964 and still couldn't post with my 3066MHz C6H settings (ProcODT 53.3), however I just got a post when using 96ohm. I wonder if the quad channel interface needs different resistances than the dual channel AM4 setup?
Edited by Sicness - 8/18/17 at 2:57am
post #8 of 1989
Thread Starter 
Dual rank Samsung B die was 80/96Ω or 43.6Ω on C6H.
Quote:
Suggested ProcODT values from Elmor/The Stilt for C6H:-

Samsung B (SR) 2x8GB 53.3Ω / 60.0Ω
Samsung B (DR) 2x16GB 80Ω / 96Ω
Samsung B (DR) 4x16GB 43.6Ω
Hynix A (DR) 2x8GB 53.3Ω
Hynix A (DR) 4x8GB 40Ω

You may also need to tweak RttNom,RttWr and RttPark, some users of C6H had good sucess with DR by changing those values, also CAD bus config.
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The Stilt Machine
(14 items)
 
XPS - i5 4690K
(12 items)
 
XPS - Q6600
(8 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
OSMonitorKeyboardPower
Win 7 Pro x64 / Win 10 Pro x64 Asus MG279Q Cherry MX-Board 3.0 Cooler Master V850 
CaseMouse
SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
i5 4690K@4.9GHz 1.255V Asus Maximus VII Ranger Sapphire Fury X@1145/545 HyperX Savage 2x8GB 2400MHz C11 
Hard DriveCoolingOSMonitor
Samsung Evo 840 TR Archon SB-E X2 Win 7 Pro x64 / Win 10 x64 Asus MG279Q 
KeyboardPowerCaseMouse
Cherry MX-Board 3.0 Cooler Master V850 SilverStone TJ06 Logitech G700S 
CPUMotherboardGraphicsRAM
Intel Q6600 G0 Asus P5K Premium Black Pearl Sapphire Toxic HD5850 Corsair Dominator 4GB 
Hard DriveCoolingOSPower
Crucial MX 100 256GB TR TRUE Rev.A Win 7 Pro x64 Cooler Master V650 
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post #9 of 1989
Quote:
Originally Posted by xoqolatl View Post

I had this issue on early UEFI versions. You need to wait longer, it should progress past B2 eventually - or use flashback to upgrade to 0401 or 0503 UEFI.

Will try flashback now. Thanks!
post #10 of 1989
Quote:
Originally Posted by gupsterg View Post

Dual rank Samsung B die was 80/96Ω or 43.6Ω on C6H.
You may also need to tweak RttNom,RttWr and RttPark, some users of C6H had good sucess with DR by changing those values, also CAD bus config.

Gup,

Neither of these settings worked for me on C6H, 53.3 yielded the best results when doing 3000MHz+. 53.3 on ZE didn't post at all, neither did 43.6. 80 allowed me to post but wouldn't boot Windows. I went with 68.6 now and after a brief Memtest, it seems stable with 3066MHz.
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