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Broadwell-E thread - Page 45

post #441 of 7468
Quote:
Originally Posted by Raja@ASUS View Post

The full-load voltage will be whatever Adaptive voltage you have set. You can't set two Adaptive voltage targets. That's why the Thermal Control Tool was made...

Quote:
Originally Posted by Raja@ASUS View Post

Comes back to what I said earlier. While the AVX offset mechanism works with Offset voltage, you cannot tune the voltage for the non-AVX and AVX ratios at the same time. Only rarely is the voltage level correct for both. Most of the time, one of the voltage levels is higher or lower than it should be. Stability aside, you don't really want to be feeding the CPU more voltage than it needs for either type of workload (moreso the AVX workloads which consume a lot of current).

The issue with Adaptive is that whatever you set will be applied to the AVX and non-AVX workloads.

Understood, I did use the ASUS ATC with offset earlier and posted results - i think. So they way I have this set up ATM is adaptive core and offset cache with offset VSA as shown: Core at 43, AVX at 40, cache at 37. I guess I tuned the clocks to the voltage I was willing to run?
For the "pedestrian" AVX loads I will/have subject(ed) it to, it is stable at this voltage with AVX running 4000 (encodes, physics tests ect, NO p95) and core is stable at 43 with the same voltage (cores synched). Yeah - it's bass-akwards in that I found the voltage for which both AVX and non-AVX work loads are working. So far so good. I guess I haven't yet found a single-threaded app that has really suffered under these conditions... but that does not mean I haven't screwed up and won't. redface.gif

(sorry - edit: the turbovcore snip is for 43a40c37m3400)
Quote:
Originally Posted by Mhill2029 View Post

I find it odd that Asus never implemented PLX to the Rampage V Extreme or the new Refreshed 10th anniversary board. I want to use my 4x Titan X's with an M.2 drive, now it seems I have to change to the Asus WS just to make that a possibility. Why would they integrated M.2 support on a so called extreme board designed for enthusiasts but have a minor oversight regarding PCI_E lanes. Head scratch moment for me indeed....
yeah.. .I went that route in the past with x79E-WS. Great board! NOt an overclocker like the Rampage tho. The PLX multiplexers introduce a latency in the system. For a straight gaming, or computational box (like with Intel Phi cards or a gaggle of tesla cards) it works great. Once you start to OC the system and the cards, it kinda presents more problems than solves. More importantly for gamers, 4-way and 3-way has no support from NV atm (even the special enthusiast "key" thing is a farce it seems). You will not see a difference in real-world PCIE bandwidth at x8 anyway. Ity is just not there. Sure, you can measure it, but it is a non-impactful difference.
Edited by Jpmboy - 6/15/16 at 6:22am
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post #442 of 7468
I picked up a 6800K and a Gig x99 board. I'm coming from an i5 3570 OC to 4.2. Its been a long time since I tinkered w/ overclocking but I plan to OC this chip to 4.0 - 4.2 w/ max volt at 1.2.
As of my question, to keep everything simple do I just change the BK clock to 40 and up the volts to 1.2 at start since it seems everyone can get 4.0 w/ volts increased.. I'll also be using the Corsair iH100 AIO for this chip.

Thanks
post #443 of 7468
Quote:
Originally Posted by Jpmboy View Post


Understood, I did use the ASUS ATC with offset earlier and posted results - i think. So they way I have this set up ATM is adaptive core and offset cache with offset VSA as shown: Core at 43, AVX at 40, cache at 37. I guess I tuned the clocks to the voltage I was willing to run?
For the "pedestrian" AVX loads I will/have subject(ed) it to, it is stable at this voltage with AVX running 4000 (encodes, physics tests ect, NO p95) and core is stable at 43 with the same voltage (cores synched). Yeah - it's bass-akwards in that I found the voltage for which both AVX and non-AVX work loads are working. So far so good. I guess I haven't yet found a single-threaded app that has really suffered under these conditions... but that does not mean I haven't screwed up and won't. redface.gif

The ATCT would have given you two Adaptive voltages levels to work with, which allows tuning both ratios effectively. That allows me to run the games etc at 4.5G and the low side on 4.2/4.3. Not a life and death difference, but both are under 250W of power consumption when loaded.
post #444 of 7468
Got my 6850k.

First i had to cry about a dead pixel on my 4k screen. VERY bad start.......

After some tests i reached 4,3 Ghz stable at 1,24 vcore. 2 hours prime torture.

4,4 Ghz was not stable under 1,3 vcore, so i left this mystery unsolved. I don't want to exceed 1,3 volts.
Edited by Rammler - 6/16/16 at 5:00am
post #445 of 7468
Quote:
Originally Posted by Raja@ASUS View Post

The ATCT would have given you two Adaptive voltages levels to work with, which allows tuning both ratios effectively. That allows me to run the games etc at 4.5G and the low side on 4.2/4.3. Not a life and death difference, but both are under 250W of power consumption when loaded.

gonna give it another go... smile.gif
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post #446 of 7468
Hi guys.

I'm going to buy 6950X with Asus Rampage V Edition 10 motherboard. However, with so many DDR4 memory speed ratings and variants, I'm still undecided which to choose. I think I'll go for 32GB (4x8GB) capacity.

DDR4 RAMs in my list are as follows:

1. G.SKILL DDR4-3200 CL14-14-14-34
https://www.amazon.com/G-SKILL-Ripjaws-PC4-25600-3200MHz-F4-3200C14Q-64GVR/dp/B01C6XPEIQ?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00

2. Avexir ROG Red Tesla DDR4-2666 (2800 on ROG board) CL15-15-15-35
http://www.newegg.com/Product/Product.aspx?Item=N82E16820011266&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=

3. Corsair Dominator Platinum DDR4-3200 CL16-18-18-36
http://www.corsair.com/en/dominator-platinum-series-32gb-4-x-8gb-ddr4-dram-3200mhz-c16-memory-kit-cmd32gx4m4b3200c16

The G.SKILL above seems to be the fastest DDR4 available?? 3200MHz with the tightest timings (CL14).
And I really how Avexir ROG Red Tesla looks. However, I am puzzled how it got ROG badge while it's only rated at 2666MHz.
Corsair Dominator looks very nice too.

Can someone please help me choose DDR4 memory? It doesn't have to be one of those listed above.
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post #447 of 7468
G.SKILL DDR4-3200 CL14-14-14-34

No doubt!thumb.gif
    
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post #448 of 7468
Quote:
Originally Posted by Raja@ASUS View Post

The ATCT would have given you two Adaptive voltages levels to work with, which allows tuning both ratios effectively. That allows me to run the games etc at 4.5G and the low side on 4.2/4.3. Not a life and death difference, but both are under 250W of power consumption when loaded.

yeah - that's a nice way to set it up. I have it set to 43 throttle, 45 on 9 and 46 on *core. Throttle voltage is 1.285V adaptive, low load voltage is 1.425V for 1x46+9x45. Works as it should! Allows for a down clock and down volt when the loading is high and not AVX. Just using the settings available in UEFI, 45core, 43 AVX ... *core at 45 is giving slightly lower numbers in low load tests (like image editing in realbench) as it should. Nice little tool.

Question: if the throttle ratio kicks in when the upper limit is exceeded, and the UEFI settings when the temp is below the Lower Limit... what is in control between the two? UEFI? Or should they ideally be set nearly the same?
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post #449 of 7468
Quote:
Originally Posted by Jpmboy View Post

yeah - that's a nice way to set it up. I have it set to 43 throttle, 45 on 9 and 46 on *core. Throttle voltage is 1.285V adaptive, low load voltage is 1.425V for 1x46+9x45. Works as it should! Allows for a down clock and down volt when the loading is high and not AVX. Just using the settings available in UEFI, 45core, 43 AVX ... *core at 45 is giving slightly lower numbers in low load tests (like image editing in realbench) as it should. Nice little tool.

Question: if the throttle ratio kicks in when the upper limit is exceeded, and the UEFI settings when the temp is below the Lower Limit... what is in control between the two? UEFI? Or should they ideally be set nearly the same?

There is no in between. The upper side ratio is active until the high side temp is breached. Once the upper side temp is breached, the low side OC is active until the temp falls under the lower limit. Once the temp falls under the lower limit, the upper side ratio is active again until the high side temp is breached. Power savings states when idle still apply, of course.
post #450 of 7468
Quote:
Originally Posted by Raja@ASUS View Post

The lack of control can render one of the overclocks unstable or eating more voltage and current than it needs.

I guess I am using unnecessarily high voltage for non-AVX, but at the moment my OC works fine: With AVX on a lower multiplier and non-AVX with the OC multiplier. Voltage is around 1.15 V at 3200 MHz in AVX and 1.37 at 4300 MHz for non-AVX. I'll leave it there for a while and see how it turns out. At stock settings, I think default voltage applied is around 1.157 V at 3700 MHz turbo.

Thanks for your input on this. Maybe Intel will further tune this setting in the upcoming platforms.
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