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Old 10-11-2017, 09:52 AM   #1
fvbounty
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MCE Explained on the Asus Z370 Motherboards!

Watch this video, it might explain why some people are having heat issues with the 8700K. Asus enables MCE by default on there Asus Z370 MB if your using a K model cpu, which enables all cores to run at 4.7 GHz under turbo mode 3. Jay explains it perfectly, now when you go to enable XMP there is a warning sign letting you know that it will enable mce or you can enable XMP without MCE....I think that's why some people where seeing high vcore voltages....watch the video he explains it way better than me.

YouTube
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Old 10-11-2017, 10:21 AM   #2
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Re: MCE Explained on the Asus Z370 Motherboards!

This video was posted on the 6th of this month, same results...vcore at 1.35 volts under benchmarks with MCE enabled, 1.21 volts with it off....

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Old 10-11-2017, 10:19 PM   #3
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Re: MCE Explained on the Asus Z370 Motherboards!

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Originally Posted by fvbounty View Post
Watch this video, it might explain why some people are having heat issues with the 8700K. Asus enables MCE by default on there Asus Z370 MB if your using a K model cpu, which enables all cores to run at 4.7 GHz under turbo mode 3. Jay explains it perfectly, now when you go to enable XMP there is a warning sign letting you know that it will enable mce or you can enable XMP without MCE....I think that's why some people where seeing high vcore voltages....watch the video he explains it way better than me.

YouTube
You don't need all 6 cores at 4.7GHz. IMO if you are doing something that takes 6 cores then you are doing something that will take a while anyway. I won't be enabling this feature. The default clocks (1 core at 4.7GHz or all cores at 4.3GHz) is how you keep your CPU at the factory specified TDP of 95W.
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Old 10-11-2017, 10:31 PM   #4
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Re: MCE Explained on the Asus Z370 Motherboards!

Sandog you need to watch either video the default settings in the bios out of the box on Asus 370 boards is to run all cores at 4.7... that's is what this post is about, trust me on this one.
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Old 10-11-2017, 10:39 PM   #5
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Re: MCE Explained on the Asus Z370 Motherboards!

Gigabyte and Msi 370 mb don't have mce enabled in the bios has default like intel indended.
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Old 10-12-2017, 06:58 AM   #6
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Re: MCE Explained on the Asus Z370 Motherboards!

I hate this *****, seriously, its overclocking out of the box.
Just adds to confusion about what the system is doing and, if the user doesnt know about it, then its wasting energy and running the CPU hotter than necessary.

Not to mention skewing benchmarks.

Good find fv, thanks for the heads up.
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Old 10-12-2017, 08:31 AM   #7
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Re: MCE Explained on the Asus Z370 Motherboards!

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Originally Posted by zapionics<alt> View Post
I hate this *****, seriously, its overclocking out of the box.
Just adds to confusion about what the system is doing and, if the user doesnt know about it, then its wasting energy and running the CPU hotter than necessary.

Not to mention skewing benchmarks.

Good find fv, thanks for the heads up.
Thanks Zap, I'm glad you watched the videos, I was on this all day yesterday, Asus is pulling a fast one with this....here's Jays response and retest of the 8700K without MCE turned on, and he talked to Asus about it and Asus said it wasn't on by default but then Jay shows it on his monitor....here's that video.

YouTube

Here's a video from Jay explaining why his review and Linus review where higher than Kyles and Pauls....kyle and Paul where not using Asus MB so there out of the box scores where lower....they where running at 4.3 all cores, where Jay and Linus using out of the box Asus MBwhere running at 4.7 all cores!

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Last edited by fvbounty; 10-12-2017 at 08:37 AM..
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Old 10-12-2017, 07:18 PM   #8
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Re: MCE Explained on the Asus Z370 Motherboards!

Intel is already OCing the 8700K. If it takes 1.3V to run at 4.7GHz then that is OCing. I am not paying much attention to mobo's right now. The BIOS will change all the way up to when they come out in November. Hardware may change as well. Remember the 8700K was supposed to have 24 PCI lanes.
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Old 10-12-2017, 08:38 PM   #9
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Re: MCE Explained on the Asus Z370 Motherboards!

Quote:
Originally Posted by Sandog View Post
Intel is already OCing the 8700K. If it takes 1.3V to run at 4.7GHz then that is OCing. I am not paying much attention to mobo's right now. The BIOS will change all the way up to when they come out in November. Hardware may change as well. Remember the 8700K was supposed to have 24 PCI lanes.
I guess you still didn't look at any of those video, it has nothing to do with the 8700K it is was Asus is doing to make there MB faster than everyone else at stock settings out of the box...remember the nvidia 970 and the 4 mb of ram deal and really there was only 3.5 same thing...by the way that one made me $30 on the class action law suit....this thing with Asus and MCE enabled is a fact not a rumor!
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Old 10-12-2017, 08:52 PM   #10
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Re: MCE Explained on the Asus Z370 Motherboards!

I'm sure they will be a bios change now that this is out in the public....it would not affect you Sandog you OC anyways, but for a guy like me who doesn't and I would be using air to cool it, I would have a hell of a time trying to figure out why its running so hot. At least Zap appreciated this post if no one else does!
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Old 10-12-2017, 09:12 PM   #11
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Re: MCE Explained on the Asus Z370 Motherboards!

Quote:
Originally Posted by Sandog View Post
Intel is already OCing the 8700K. If it takes 1.3V to run at 4.7GHz then that is OCing. I am not paying much attention to mobo's right now. The BIOS will change all the way up to when they come out in November. Hardware may change as well. Remember the 8700K was supposed to have 24 PCI lanes.
I agree Sandog. There is a difference between Intels Turbo clock speeds and MCE, though, and the user needs to be informed if the board is usimg it.
I expect Turbo settings to be very safe as they're a feature of the CPU. MCE may be useful too but it carries no guarantees and has risk.
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Old 10-12-2017, 09:29 PM   #12
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Re: MCE Explained on the Asus Z370 Motherboards!

I thought the post was timely and very important. Donít let others deter you. The more info now, less pain later!


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I'm sure they will be a bios change now that this is out in the public....it would not affect you Sandog you OC anyways, but for a guy like me who doesn't and I would be using air to cool it, I would have a hell of a time trying to figure out why its running so hot. At least Zap appreciated this post if no one else does!
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Old 10-12-2017, 09:36 PM   #13
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Re: MCE Explained on the Asus Z370 Motherboards!

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I thought the post was timely and very important. Donít let others deter you. The more info now, less pain later!
Thanks Jim, that's what I thought, with some people experiencing high temps on the 8700k I figured this might be one of the reasons.....it wii get fixed by the time we are ready to buy. Or at least know what to turn off in the bios.
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Old 10-12-2017, 09:45 PM   #14
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Re: MCE Explained on the Asus Z370 Motherboards!

I never said I didn't appreciate your post. I'm just posting that I am not too concerned about it right now. Doesn't mean it is useless info. I haven't even heard about it until you posted about it, thanks.

Plus, I am sure you would have seen your CPU running all cores at 4.7GHz constantly. I don't recall anybody forcing a CPU to run full speed on all the cores. It must be a mistake. That should definitely be a setting in the Tweakers menu in BIOS.
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Old 10-12-2017, 09:58 PM   #15
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Re: MCE Explained on the Asus Z370 Motherboards!

Also, I am not interested in OCing the 8700K if I get it because I like the Turbo setup Intel has going. 4.7GHz is plenty of speed for me and if two cores then 4.5GHZ. I like how Intel has enabled Turbo 3.0. It use to be you had to set cores in pairs. I never liked that. For example, you pick Core 0 & 1 to be 4.5GHz. Then the next 2 cores have to be lower. Now I think it is the best core will do 4.7GHz then the best 2 cores will do 4.5GHz. The cores do not have to be in series like 0 + 1 + 2 etc. Intel was already picking the best core for Broadwell-E (Turbo 2.0).
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