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ASUS M4A77D vs. MSI 870-G45 - Page 2

post #11 of 15
Quote:
Originally Posted by amd-dude View Post

I had that 870-G45 and had it highly oc'ed. Up to 1.6v over the course of a few days and it is still kicking, maybe I got a magic board I dono so just from my experience with it +1 for MSI


From what i remember you telling me, you only ever ran it with a Phenom II x2 at a dual core if with a high OC or as an unlocked triple core with moderate OC, and with any attempt to run it at a 125W quad VRM temps (TMPIN2) spiked to over 100C every time tongue.gif

post #12 of 15
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post



From what i remember you telling me, you only ever ran it with a Phenom II x2 at a dual core if with a high OC or as an unlocked triple core with moderate OC, and with any attempt to run it at a 125W quad VRM temps (TMPIN2) spiked to over 100C every time tongue.gif

Oh really...? I was never told this. biggrin.gif
Anyways, I have faith in the Asus board. I remember a time with a Phenom 945 C2 clocked at 3.8GHz at 1.5v folding on a hot day, the system automatically shut down when the board temp got to 60C.
It was remarkable, I thought the new thing was to catch on fire. biggrin.gif
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post #13 of 15

Lack of capacity alongside cooling means they get strained to the point where they will run very hot (and I should add that the hotter the VRM, the lower the amperage supply capacity, making things even worse by narrowing the gap between actual and max safe supply possibility).

 

ASUS boards use CPU throttling to deal with VRM heat by reducing CPU power load until VRMs are sufficiently cooled down; I think it happens around 80C on the VRM temp from what I've seen.  There doesn't seem to be any sensor on ASUS boards visible in HWMonitor, that pertains to the VRMs though.

post #14 of 15
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Lack of capacity alongside cooling means they get strained to the point where they will run very hot (and I should add that the hotter the VRM, the lower the amperage supply capacity, making things even worse by narrowing the gap between actual and max safe supply possibility).

ASUS boards use CPU throttling to deal with VRM heat by reducing CPU power load until VRMs are sufficiently cooled down; I think it happens around 80C on the VRM temp from what I've seen.  There doesn't seem to be any sensor on ASUS boards visible in HWMonitor, that pertains to the VRMs though.

Does the higher end Gigabyte boards (like the UD3 UD5 and UD7) have anything like that?
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Cooler Master HAF X Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC1150 8-Channel + Logitech z906 + Sam... 
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post #15 of 15

I'm pretty sure the higher end Gigabyte boards use a shutdown-type VRM protection as many of the lower end ones do.

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