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post #11101 of 11856 (permalink) Old 03-25-2020, 10:51 AM
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Quote: Originally Posted by nick name View Post
I couldn't answer that. I can't run BCLK above 100 without the CPU getting stuck at around 38 multiplier. Though you may want to try more PLL voltage.
I was actually surprised to see that the boosting worked normally when I upped the BCLK, not sure if this has to do with the BIOS version. I'm still using BIOS 1103 from November 2018, as I didn't see a need to update with a 2700X. Not sure if the multipliers are locked if I go over 101, it would seem not since I got almost 1900 points in Cinebench R15 with 101 BCLK.

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post #11102 of 11856 (permalink) Old 03-25-2020, 11:44 AM
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Quote: Originally Posted by Hepe View Post
Speaking of BCLK, I've been messing with upping the BCLK and it seems I'm stuck at 100.8MHz. For some reason the system becomes unstable and for example HWInfo crashed when loading SATA/ATAPI information if I plug in 101MHz BCLK.
So is this just a bug, I've seen people running above 103MHz without issues. 100.8MHz works just fines, running prime95 for hours is no problem.
Quote: Originally Posted by harderthanfire View Post
Mine does that if I go over 101 - so annoying.

On my C6H I run a PE3 w/101.8Bclk = 4255/4428MHz not an issue. My chip will use either 41.8 or 42 multiplier depending on ambient temp at boot.

Don't forget you may need to drop a divider on memory depending on current dram oc if any.

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post #11103 of 11856 (permalink) Old 03-25-2020, 12:46 PM
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Quote: Originally Posted by Hepe View Post
I was actually surprised to see that the boosting worked normally when I upped the BCLK, not sure if this has to do with the BIOS version. I'm still using BIOS 1103 from November 2018, as I didn't see a need to update with a 2700X. Not sure if the multipliers are locked if I go over 101, it would seem not since I got almost 1900 points in Cinebench R15 with 101 BCLK.
Ahhhh sorry. I didn't check your sig and didn't notice you were running a 2700X. And I haven't updated my sig yet. I didn't have those problems running 101+ on BCLK, but I didn't do it for anything other than benchmarking.

But do try more PLL voltage. Which SATA drives do you use?

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post #11104 of 11856 (permalink) Old 03-26-2020, 12:00 AM
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Quote: Originally Posted by nick name View Post
Ahhhh sorry. I didn't check your sig and didn't notice you were running a 2700X. And I haven't updated my sig yet. I didn't have those problems running 101+ on BCLK, but I didn't do it for anything other than benchmarking.

But do try more PLL voltage. Which SATA drives do you use?
SATA drives are:

1x Samsung 850 EVO 500GB
1x Samsung 860 QVO 1TB
1x Samsung HD642JJ 640GB hard drive

And also a Samsung 960 EVO 500GB NVME SSD as the OS drive.

EDIT: I tried upping the PLL, doesn't seem to work for me. I think this is some kind of bug, as 100.8MHz BCLK is stable. But anyhoo, 3494MHz RAM @ 14-14-15-14-28 and tightened subtimings, this is still honestly better than I was expecting.

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Last edited by Hepe; 03-26-2020 at 02:37 AM.
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post #11105 of 11856 (permalink) Old 03-26-2020, 04:53 AM
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Quote: Originally Posted by Hepe View Post
SATA drives are:

1x Samsung 850 EVO 500GB
1x Samsung 860 QVO 1TB
1x Samsung HD642JJ 640GB hard drive

And also a Samsung 960 EVO 500GB NVME SSD as the OS drive.

EDIT: I tried upping the PLL, doesn't seem to work for me. I think this is some kind of bug, as 100.8MHz BCLK is stable. But anyhoo, 3494MHz RAM @ 14-14-15-14-28 and tightened subtimings, this is still honestly better than I was expecting.
I think it's one of your drives. I have a 850 so I don't think it's that. Perhaps that HD64 drive?

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post #11106 of 11856 (permalink) Old 03-29-2020, 03:36 PM
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What BIOS version would you guys recommend for ryzen 7 2700x?
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post #11107 of 11856 (permalink) Old 03-30-2020, 06:13 AM
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Quote: Originally Posted by ahujet View Post
What BIOS version would you guys recommend for ryzen 7 2700x?
The latest BIOS works great for a 2700X.

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post #11108 of 11856 (permalink) Old 03-30-2020, 07:07 AM
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Quote: Originally Posted by nick name View Post
The latest BIOS works great for a 2700X.
I've read in this thread that they've gimped 2700x in later BIOS versions. Also does PCIE 4.0 work with ryzen 3000 series on this motherboard?
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post #11109 of 11856 (permalink) Old 03-30-2020, 07:24 AM
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Quote: Originally Posted by ahujet View Post
I've read in this thread that they've gimped 2700x in later BIOS versions. Also does PCIE 4.0 work with ryzen 3000 series on this motherboard?
Dunno about the 2xxx being gimped....

Yes, PCIE 4 is supported up to bios ver 2606 - then they disable it (stupid, yes - they even re-enabled it on one of their B450 boards - go figure)

I can't remember which bios around that time was best though!

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post #11110 of 11856 (permalink) Old 03-30-2020, 08:07 AM
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Quote: Originally Posted by ahujet View Post
I've read in this thread that they've gimped 2700x in later BIOS versions. Also does PCIE 4.0 work with ryzen 3000 series on this motherboard?
That may have been me saying that, but it isn't the BIOS -- it's the Performance Bias feature that reduced performance. If you use Aida/Geekbench it reduces performance. Cinebench Gentle doesn't though. And that's actually true on Ryzen 3000 as well.

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