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About VRMs & Mosfets / Motherboard Safety with 125W+ TDP processors - Page 3

post #21 of 1100
As I mentioned to you in the other thread - all those "8+2 phase" mobos use 4+1 VRMs - so in the OP post, you should correct your typing as it misleads those reading into thinking they have 8+2 VRMs, when they still only use 4+1 VRMs.

Those "8+2 phase" mobos still have the exact same amount of actual regulated power phases (4+1), just that each regulated power phase then feeds dual inductors to share the load.

Edit: and before ppl assume that if it has dual inductors sharing the load it must be better, it is not about the amount of inductors, but rather the quality and current rating of the inductors used.

Edit 2: Apart from my comment above, the rest is good information smile.gif
Edited by un-nefer - 2/16/11 at 10:43pm
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post #22 of 1100
Thread Starter 
Don't worry, I know about the split channel thing, I've addressed it under "few last notes" at the bottom of the article. It's that way with my own motherboard in fact. But not all 8+2 phase mobos are split channel. I've learned a lot more about VRMs in recent days, so I've also addressed overall quality in this article, recommending Biostar (newer), ASUS, ASRock (newer), Gigabyte or DFI boards.
Edited by xd_1771 - 2/16/11 at 10:47pm
post #23 of 1100
Quote:
Originally Posted by xd_1771;12416481 
Don't worry, I know about the split channel thing, I've addressed it under "few last notes" at the bottom of the article. It's that way with my own motherboard in fact.
it's just the way your OP continually mentions "VRM" and "phase" with 8+2 or 4+1 that is misleading - as I have mentioned, and as I am sure you know, if there VRM is only 4+1, then there is only 4+1 power phases, regardless of how they channel the regulated phases after the fact wink.gif
Quote:
Originally Posted by xd_1771;12416481 
But not all 8+2 phase mobos are split channel.
Believe me, I have been looking, and I am yet to find an AMD mobo with a true 8+2 VRM. If you know of one, post it - otherwise my comment above still stands and your OP is misleading and only spreading the marketing bs of mobo manufacturers.
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post #24 of 1100
Quote:
I am yet to find an AMD mobo with a true 8+2 VRM
So i am then guessing even yours is 4.1 x 2.
ie same as mine seeing that are almost identical boards except for few feature either way.
   
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post #25 of 1100
Thread Starter 
I tend to keep things simple. Since quality would be pretty similar anyway otherwise I just mention 8+2. No need to get members all stirred up between phases here and have them end up potentially going to the crummy parts.

8+2 phases that are not 4+1 split inductor do exist: i.e. M4A89GTD PRO(/USB3). This is actually more of a 4+4+2 design, but I'd consider it close enough. What it definitely isn't is 4+1 split, the PWM controller sends 8+2 channels.

This post on XS says:
Quote:
Originally Posted by G.Foyle;3825970 
Whether it is a blatant lie depends on what does "phase" mean for you. ASUS and Gigabyte seem to think that inductor = phase, but rest of the world knows that "phase" is "one part or portion in recurring or serial activities or occurrences logically connected within a greater process, often resulting in an output or a change." (Wikipedia). Phase is not something that exists on motherboard PCB, it's a parameter of the voltage control process. So for most people, yes, ASUS and Gigabyte and many other manufacturers lie about their PWM designs.
post #26 of 1100
Nice guide thumb.gif
Quote:
Originally Posted by xd_1771;12415904 
- I've been planning to do a write-up like this for while, but I probably made a lot of mistakes writing this... be sure to tell me if so tongue.gif

Not a mistake, but it would be nice if you used bullets instead of the "-". It will be a lot cleaner and easier to read that way 2cents.gif
    
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post #27 of 1100
Thread Starter 
Quote:
Originally Posted by tmunn;12416655 
Nice guide thumb.gif

Not a mistake, but it would be nice if you used bullets instead of the "-". It will be a lot cleaner and easier to read that way 2cents.gif

You're right, seems a lot more organized now. Thanks! thumb.gif
-xd
post #28 of 1100
So I was stupid and have a serious overkill with my 16+2 phase? I'm just asking, don't know If I can eve use that kind of power.

I know this is the AMD forum, just talking about the Mobo.
post #29 of 1100
Quote:
Originally Posted by _Chimera;12416736 
So I was stupid and have a serious overkill with my 16+2 phase? I'm just asking, don't know If I can eve use that kind of power.

I know this is the AMD forum, just talking about the Mobo.

Intels are much different. I dont know if any newer Intel boards even run on as low as 4+1. Dont think many if any do. Plus I dont think you could ever have too much.
post #30 of 1100
Nice guide, sticky it!
Quote:
Originally Posted by xd_1771;12416162 
Have you considered Biostar's TA890GXE?
I've been pleasently supprised with the quality of Biostar boards smile.gif
Wonder if there is any Matx board equal to or better then this?
Edited by Problame - 2/16/11 at 11:39pm
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