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[Reddit] RX 480 fails PCI-E specification - Page 113  

post #1121 of 1129
Quote:
Originally Posted by oxidized View Post

It could still be a problem
No.
post #1122 of 1129
Quote:
Originally Posted by mtcn77 View Post

We can split it 2/(3+1) thanks to The Stilt and that is just as good.
I think that solution is limited to Windows and MSI AB running each time the system boots up.
Not everyone is using Windows and from those that do not everyone uses MSI AB. Me personally I don't like MSI AB it tries it's best to work on many cards but all in all it's often only compatible with reference and MSI boards.

The fix should be done in HW at best. You can do all changes possible it won't change the HW layout of 50/50 it will only change how the load splits which works when the VRMs have the capacity left to exploit and the VRMs should be fine but doing so is best in firmware/VBIOS or driver at worst which now is kind of fixed in latest driver.

Dargonplay: shhh
post #1123 of 1129
Quote:
Originally Posted by oxidized View Post

It could still be a problem

On a bargain bin OEM LGA 775 board with compatibility mode off? Maaaaaaaaybe, but likely OCP will just trip and shut the whole system off.
post #1124 of 1129

Have any of the review sites with the right equipment to measure this overclocked one of these and seen the resulting draw on the motherboard slot?  Will all the additional draw be from the 6 pin connector or will overclocking re-introduce this "problem"?  Looking at Tom's and PCPER they retested at stock clocks.  Maybe this reference card is best left at stock anyway, and an 8 pin would be best from an AIB to overclock, but that would likely eliminate the blower cooler option to exhaust heat from the case.  Running FAH and BOINC can keep a card maxed for days at a time, it would be nice to know what this does under those conditions and overclocked.

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post #1125 of 1129
Quote:
Originally Posted by bfromcolo View Post

Have any of the review sites with the right equipment to measure this overclocked one of these and seen the resulting draw on the motherboard slot?  Will all the additional draw be from the 6 pin connector or will overclocking re-introduce this "problem"?  Looking at Tom's and PCPER they retested at stock clocks.  Maybe this reference card is best left at stock anyway, and an 8 pin would be best from an AIB to overclock, but that would likely eliminate the blower cooler option to exhaust heat from the case.  Running FAH and BOINC can keep a card maxed for days at a time, it would be nice to know what this does under those conditions and overclocked.

Seeing how the software fix dropped PCI-E lane load from 85+W to about 65, I would suspect that even if all the load of an overclock goes through the PCI-E, it still would not be a problem on new mobos.

But I would never OC that card. Just to be safe.
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post #1126 of 1129
Quote:
Originally Posted by JackCY View Post

I think that solution is limited to Windows and MSI AB running each time the system boots up.
Not everyone is using Windows and from those that do not everyone uses MSI AB.
Done.
Quote:
Originally Posted by JackCY View Post

Me personally I don't like MSI AB it tries it's best to work on many cards but all in all it's often only compatible with reference and MSI boards.
No one who used MSI Afterburner was affected by the freezing fan bug.
Quote:
Originally Posted by JackCY View Post

The fix should be done in HW at best. You can do all changes possible it won't change the HW layout of 50/50 it will only change how the load splits which works when the VRMs have the capacity left to exploit and the VRMs should be fine but doing so is best in firmware/VBIOS or driver at worst which now is kind of fixed in latest driver.

Dargonplay: shhh
Why, you going to take up extreme overclocking? Even with the extreme load at 1.35v, you can only overstep the current protection by 5% and even then, the heat makes it unfeasible for long term use.
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post #1127 of 1129
Quote:
Originally Posted by bfromcolo View Post

Have any of the review sites with the right equipment to measure this overclocked one of these and seen the resulting draw on the motherboard slot?  Will all the additional draw be from the 6 pin connector or will overclocking re-introduce this "problem"?  Looking at Tom's and PCPER they retested at stock clocks.  Maybe this reference card is best left at stock anyway, and an 8 pin would be best from an AIB to overclock, but that would likely eliminate the blower cooler option to exhaust heat from the case.  Running FAH and BOINC can keep a card maxed for days at a time, it would be nice to know what this does under those conditions and overclocked.


I want to know that too. Answering that will reveal how AMD achieved the trick. If they merely made a percentage shift the problem will come back when overclocking because the power drawn from the PCIe slot will creep back up. And that's saying that the problem went completely away to begin with, which is not exactly the case, it got better, but it's still working out of spec, as only if you apply the compatibility mode does the card operate more or less within spec, but overclocking with that mode on is by definition impossible, it will either fail (as in, it won't overclock) or the mode will turn itself off. If they put a hard lock on the amount of power that can be drawn from the PCIe slot, then it's much safer as all the excess power draw will come from the 6-pin, as it should, but I suspect that they did the former.
Edited by tpi2007 - 7/9/16 at 3:27pm
 
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post #1128 of 1129
Quote:
Originally Posted by oxidized View Post

TBP never heard of it before, stands for?

As was mentioned, it is "Typical Board Power," which 100% is power consumption of the entire product.

TDP is Thermal Design Power - and not necessarily the same as power consumption.
post #1129 of 1129
Thread has run it's course.

Fix has been issued.

If there is sufficient evidence that the fix is not working from a reputable source, create a new thread to discuss it.
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