limitation of the electric consumption in the video card, cause shutdown in games (GTX460m)

hello friends, I had already asked that in a topic. however now decide only speak on this subject.

As I imagine, the Asus g73JW has a limitation on the maximum power consumption of electrical Video card.

already asked once CHASTITY a Time, if he had any further information, but without success.

I made a video, where you can see that the Overlock Works at 850Mhz video card.
However, when you enable Anti-Aliasing Plate Processing generates more and consumes more energy, the notebook shuts down completely.
Asus g73jw 850Mhz GPU (safety shutdown - Overcurrent GPU Overclock -).AVI - YouTube

this is a barrier to overlock when in games.
therefore, that when we run a test to see the stability of the overclock, everything seems OK, but when we run a game and consumption is actually higher with overclocking, the notebook is turned off.

If we can remove or block this limitation. Overclocking will be sustainable in our games. not have more shutdowns..!
Surely We Reach over 850Mhz without shutdowns!

 

I love the end of your video

Are you at your card's limit for voltage? Have you tried it at .9625V?

http://forum.notebookreview.com/asu...modified-overvolting-vbios-gtx460m-g73sw.html

 

hahaha! .

Yes, already increased the voltage. With the higher voltage, the shutdown occurs even faster. Clearly due to the higher energy consumption.

already entertained the video card, with Power Cord Connected Directly From source to her, and yet the shutdown occurred.

I've also used a source of greater capacity (200W), also without results

I believe the video card that sends the signal to the mother board off.

ie, after a certain limit imposed on the video card, it sends the order to shut down the entire system.

After researching, many other users have the same problem as me when in games with overlock.

The suluçao is find out who sends the order to shut down, by what means. and isolate.

The asus will never tell you how this works = (, so this topic is here, we try to find out.

hugs

 

http://forum.notebookreview.com/asu...huts-down-if-i-pulled-plug-8.html#post8300004

 

I have this issue in Skyrim and Human Revolution (haven't been playing any other games requiring an overclock). I can overclock fairly high (my gaming clocks are 850/1600/1600, and I can go higher), but the games shut down after 30 minutes - 2 hours. My temps are fine - ~82 in Skyrim whilst overclocked. I do not think this is a defect, but I would like some sort of solid explanation/fix.

This is an SW-A1.

 

As I showed in the video is actually a limitation imposed by the current Video Card and Implemented by the mother board.

As informed, already turned on the video card directly to the power cord from the power source and even then the system hung after a few minutes playing

WHAT features, the video card sends a signal that is interpletado the motherboard, so the motherboard is off. Probably this signal is Sent to the Relay (or transistor) which makes the total system shutdown.

the same set, the notebook completely off in case of short circuit in the motherboard.

If I could find on the motherboard, the component that makes the Closure of electric current. I would isolate it or removed after turning on the notebook.
Thus, even if the video card send from the system off, it does not hang up.

This is a Simplified Theory.

Further to this we have to find out which component is the Role Relay

 

I was thinking here, and I think it could be plausible.

the notebook shuts down as if she had a Short-circuit on the motherboard.
ie, it shuts down because the system indentificou fulga current, and thus the system is Protected.

The question is? WHAT could be causing this?

I believe that two things can be.

The GPU heat sink that is in contact with the load Negative (-) chassis, this causing this somehow when the video card in this high power (high performance).
ie, the heat sink can be short circuited with the GPU or video card components.


The second thing would be.
the thermal paste, used in models G73JW, G73SW used in the memory of the video card is a foreign material, like a chewing gum.

the thermal paste, flows through the video card and ends up hitting several other components that play. including electrical contacts.
I believe Determined in temperature, and given the current video card, it ends up causing some kind of short circuit or something. making the system fail and shut down.

WHAT do you think that? Would it make sense?
I already closed my short on the motherboard by accident, and the system shuts down just like when I'm playing.

Anyway try to make a following

Electrically isolate the heatsink from the GPU of the negative (-) chassis.

Remove any thermal paste (gum) video card, and put in place thermal pad Solid

Hopefully I will succeed. It will be my last attempt before it sells by dissatisfaction


(transcribed by google translator)

 

Well, post back your results. It'll be interesting to see how this turns out.

I'm afraid this is beyond me.

 

Have you tried running it with just the core overclocked and the memory at the default speed of 1250?

 

Yes, for sure! even then it shuts down.

only for the termination as below 700Mhz GPU

With the MOD VBIOS 0.962 Volts, it turns off even in GPU Stock.

I believe that can only be something related to leakage current.
Difficult to understand is this.

There are people who suffer shutdown in games even without overclocking the GPU. and with temperatures below 80 degrees.

 

Hello friends, I come with good news, or so it seems!
After Some researches the outside, I discovered that we have a really LIMITATION TDP in our gtx460m as this have random shutdowns when overclocked
However, the Limitation on this GTX460m

Nao is a PCI-e which shuts down the system. gtx460m is limiting the TDP and shuts down the system when it is Reached

I found an article on this site that talks about overclocking it
TiN’s Guide to NVIDIA GTX 680 Modifications | Overclockers
" Power Limiter Modification"
I know that the site is a modification to the gtx 680 Desktop
however, we basically have the same layout that limits our TDP

I wish someone who understands electronics could find the component (or resistor) that limiting the TDP in GTX460m
ae yes, we could get to the limit of the card!

even more

 

that's why I even feeding the video card straight through cable Power supply, the laptop randomly shut off.

ie the MXM not cause the shutdown, is the very GTX460m that giving the order