x470 Taichi - P2.0 XFR/PBO |
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Nemesis.ie
Newbie Joined: 02 Apr 2017 Location: Ireland Status: Offline Points: 45 |
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Posted: 26 Apr 2019 at 7:15pm |
I mean -0.1V in the previous msg of course. Recovering from eye surgery and have very blurry vision!
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Nemesis.ie
Newbie Joined: 02 Apr 2017 Location: Ireland Status: Offline Points: 45 |
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Mine seems stable at -1.0. As discussed, lowering the voltage lowers the temps and if there is still sufficient voltage for stability, results in higher boost clocks.
I'm using a Cryorig Universal but with only the middle fan as the outer one sounded scratchy. |
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gizmic
Groupie Joined: 13 Jun 2018 Location: Hong Kong Status: Offline Points: 677 |
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oh i didn't know if it cant go beyond -0.1v but i think its a thermal thing than the voltage
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Nemesis.ie
Newbie Joined: 02 Apr 2017 Location: Ireland Status: Offline Points: 45 |
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Absolutely.
Every chip/setup is different. It's good to have options though. :) |
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gizmic
Groupie Joined: 13 Jun 2018 Location: Hong Kong Status: Offline Points: 677 |
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its a lottery if you can go lower -0.1v my system isn't stable lower than -0.075v
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Nemesis.ie
Newbie Joined: 02 Apr 2017 Location: Ireland Status: Offline Points: 45 |
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It seems the negative offset is limite to -0.1V.
It would be great if this could be increased so we can try even lower. Given the chips have been out for over a year and e.g. my new one is on stepping B2, the latest (good quality) ones may well be able to run at an even lower voltage. |
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gizmic
Groupie Joined: 13 Jun 2018 Location: Hong Kong Status: Offline Points: 677 |
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here's mine
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J Z
Groupie Joined: 09 Sep 2016 Location: Germany Status: Offline Points: 976 |
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Kind Regards,
JZ https://shop.JZelectronic.de - Der Shop mit ausgesuchter ASRock Profi Hardware https://www.facebook.com/asrock.de |
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Delta9k
Newbie Joined: 22 Dec 2018 Location: USA Status: Offline Points: 9 |
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Ended up with the following:
Left BCLK at 100 Enabled PBO vcore offest -0.08750 Tune ram via Ryzen calculator, fast settings. DRAM 3.365 All core under load 4175 PBO boosting to 4350 idle 2200 I may want to try dropping ram to 3.55v but for the sake of this thread I'm done. |
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X470 Taichi, 2700X, 16GB GSkill c14 @3200, 960Evo 500, 860Evo 1TB, GTX1080, RM850x, Celsius S36, Define R6 usb-c
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Delta9k
Newbie Joined: 22 Dec 2018 Location: USA Status: Offline Points: 9 |
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Thanks - I did a little bit of tuning. I added an offset -0.08750 which interestingly enough raised my VID up bit but not dramatic but from 1.444 to 1.456V For grins I tried adding some bclk. I was only stable at 101 something in my system did not like 102 it would lock up after 5 mins or so in the OS. But 101 was stable for 90 minutes of prime95. I did notice that Core Temp was displaying some of my core freqs as 7447 MHz ... so that app at least was not liking it and I did not do any diskmark bench's to see if pcie i/o was stable with my nvme or sata's but I did get a decent cb score. I ended up dropping the bclk back to 100 because I know I'm solid there. I did a couple cb passes there and Im hitting mid 1881-1886 consistently.. I'll keep playing with the offsets and tighten the timings on the me kit. Which I had up to 3400 with the XMP cl14 3200 timings no worries. https://imgur.com/rTjVvRH |
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X470 Taichi, 2700X, 16GB GSkill c14 @3200, 960Evo 500, 860Evo 1TB, GTX1080, RM850x, Celsius S36, Define R6 usb-c
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