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VRM on the new AM4 motherboards - Page 88

post #871 of 1994
What are safe temps for the chokes anyway? Is it comparable to the fets? Any spec sheets? Seems like choke temp is going to be the limiting factor in my OCing (without modding on a heatsink anyway).
post #872 of 1994
I dont think it matters. They are just copper coils encased in a ceramic so you don't hear them scream under load.

I think heat generated is from vibration but i skipped electrical engineering 101...

Maybe someone more qualified can confuse us average guys better.
post #873 of 1994
Quote:
Originally Posted by chew* View Post

I dont think it matters. They are just copper coils encased in a ceramic so you don't hear them scream under load.

I think heat generated is from vibration but i skipped electrical engineering 101...

Maybe someone more qualified can confuse us average guys better.

Heat generation would be a result of resistance in the copper wire itself, granted copper is a pretty good conductor but it will still generate heat as electricity passes through it.
Mini PC
(14 items)
 
  
CPUMotherboardGraphicsRAM
AMD Ryzen 7 1800x Gigabyte Gaming 3 AB350M ASUS Radeon 290 Direct CU II OC CORSAIR Vengeance LPX 16GB (2 x 8GB) 
Hard DriveOptical DriveCoolingOS
Western Digital Blue None Noctua NH-U12S Windows 10 
PowerCase
Seasonic Flagship Prime Titanium 850 Watt Node 804 
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Mini PC
(14 items)
 
  
CPUMotherboardGraphicsRAM
AMD Ryzen 7 1800x Gigabyte Gaming 3 AB350M ASUS Radeon 290 Direct CU II OC CORSAIR Vengeance LPX 16GB (2 x 8GB) 
Hard DriveOptical DriveCoolingOS
Western Digital Blue None Noctua NH-U12S Windows 10 
PowerCase
Seasonic Flagship Prime Titanium 850 Watt Node 804 
  hide details  
Reply
post #874 of 1994
Ah ok so they themselves are probably not going to fail from heat (it's just a copper coil with a ferrous core inside ceramic), but the heat they transfer to other components in nearby circuitry is the problem. In that case I'll just try to keep em under 85.

EDIT: I derped out in my testing and was using too much RAM in IBT. I forgot about the quirks of running a linpack test.

IBT run:
- Speed: 170 179GFlops
- Total system draw: 258 265W
- CPU: 61.3 62.8°C, VRM: 54 56°C, Chokes: 72 76°C

Screencap:
Warning: Spoiler! (Click to show)

Edited by bardacuda - 4/8/17 at 6:55pm
post #875 of 1994
ok I am finally satisfied with the board enough to give it a big thumbs up.

Cpu ocs decent.

Memory ocs very good.

Capacity of memory with an oc on memory while overclocked is pretty stellar.

Runs very cool.

asrock%2012_zpslzhqx23t.jpg

Couple complaints....lose wifi with this ref clock... ( i have a usb wifi in working fine )

No clue if 3d is realistic at this ref clock yet...but that pretty much applies to any ref clock of 120....

Workstation wise if no graphics needed...man this thing is going to rip..
Edited by chew* - 4/8/17 at 10:46pm
post #876 of 1994
Quote:
Originally Posted by chew* View Post

ok I am finally satisfied with the board enough to give it a big thumbs up.

Cpu ocs decent.

Memory ocs very good.

Capacity of memory with an oc on memory while overclocked is pretty stellar.

Runs very cool.

asrock%2012_zpslzhqx23t.jpg

Couple complaints....lose wifi with this ref clock... ( i have a usb wifi in working fine )

No clue if 3d is realistic at this ref clock yet...but that pretty much applies to any ref clock of 120....

Workstation wise if no graphics needed...man this thing is going to rip..

as amazing as that is - I'm not sure I'm aware of any modern workstation apps that could really make use of this power - and NOT need decent 3d accelerator of some type.
post #877 of 1994
Quote:
Originally Posted by drdrache View Post

as amazing as that is - I'm not sure I'm aware of any modern workstation apps that could really make use of this power - and NOT need decent 3d accelerator of some type.

Well then I guess this is a good thing then.

I ripped my launch day review results in some 3d benchmarks and ran a comparison at these settings on this board.

Looks like this board is turning out to be a real winner. Gonna loop prime and heaven combined all night now see how it holds up......



post #878 of 1994
Greetings to all of you

We want a list to determine which motherboard is best for overclocing, features, stability with high voltage

X370 = $ 120-200

B350 70-120 $

We want everyone to share any name


thumb.gifthumb.gifthumb.gif
post #879 of 1994
Quote:
Originally Posted by chew* View Post

Quote:
Originally Posted by drdrache View Post

as amazing as that is - I'm not sure I'm aware of any modern workstation apps that could really make use of this power - and NOT need decent 3d accelerator of some type.

Well then I guess this is a good thing then.

I ripped my launch day review results in some 3d benchmarks and ran a comparison at these settings on this board.

Looks like this board is turning out to be a real winner. Gonna loop prime and heaven combined all night now see how it holds up......




damn bro - this is the board I've been wanting; but had to make due with the Killer (don't get me wrong, there is nothing about my Killer that is bad, or that I can even really "dislike")
i might get a taichi sooner or later.
post #880 of 1994
Quote:
Originally Posted by drdrache View Post

damn bro - this is the board I've been wanting; but had to make due with the Killer (don't get me wrong, there is nothing about my Killer that is bad, or that I can even really "dislike")
i might get a taichi sooner or later.

Figured you might like this...

https://youtu.be/aXHlTMKyse8
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