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  #21  
Old 07-22-2016
deeper_blue deeper_blue is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

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Originally Posted by buildzoid View Post
Pretty much it crashes after running for a bit. The time interval for the crash is random.
I tried using afterburner's I2C to change Iscale but it didn't do anything for the negative performance scaling.
Could you see a drop in reported power usage in the GPU-Z sensors tab when changing the lscale value? Also what is the default register value on the Fury X?
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  #22  
Old 07-22-2016
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

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Originally Posted by deeper_blue View Post
Could you see a drop in reported power usage in the GPU-Z sensors tab when changing the lscale value? Also what is the default register value on the Fury X?
GPU-z doesn't have power readouts for the Fury X. So I can't check.

I just went of your data for the registers so I just changed 4D from 60 to 20.
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  #23  
Old 07-23-2016
gupsterg gupsterg is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

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Originally Posted by deeper_blue View Post
Thank you! I'll have to take a closer look at those addition registers.
WIP .
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Last edited by gupsterg; 07-23-2016 at 15:13.
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  #24  
Old 07-24-2016
deeper_blue deeper_blue is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

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Originally Posted by gupsterg View Post
Awesome work! I started a similar document before working on the tool - I will see that I can implement all those additional registers.

What is missing is that in addition to the i2c interface that allows the register access the IR3567B also has an i2c PMBus interface (maybe two on devices on which both loops are used) that is mainly used by other tools to read voltage/current/power. But it also has some functions that can be called and are useful. I send you a request for write access on the document.
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  #25  
Old 07-24-2016
gupsterg gupsterg is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

Added you access , I think I have found OTP , VR_Hot is evading me .


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  #26  
Old 06-12-2017
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

0/ All,

I'm new to the forum. How can access attachments, I'd really like to test out the vrm tool on some cards that I find suboptimal in power consumption.
For instance in my ether mining rigs I have something like this:

MSI 570 gaming RX that @ 80Watts and 1025mV in voltage
in order to obtain the same voltage on an MSI 570 Armor I have to push it to 150W on the afterburner. Yes the card is actually undervolted on stock settings, seems like a really bad unit.

Can any1 shed some light on this ? I'd really like to play with the VRMs to lower it. Whhy the card needs 150Watts to squeeze a mere volt :/

Thnx all!!
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  #27  
Old 07-17-2017
Gamis1984 Gamis1984 is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

Hi
How can acces attachments?
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  #28  
Old 07-23-2017
vldim vldim is offline
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

Thank you. Great program
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  #29  
Old 08-08-2017
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Default Re: VRMtool - a simple tool to read and write to I2C VRM controllers

Awesome tool for my R9 290. Thanks you!
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