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[Reddit] RX 480 fails PCI-E specification - Page 80  

post #791 of 1129
I have the XFX Core RX480 and I'm not concerned with the power draw through the slot, I've been running a 750ti with a custom bios doing that since they came out over a year ago and not had problems, nor seen anyone else doing that have problems.
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post #792 of 1129
Quote:
Originally Posted by Majin SSJ Eric View Post

79W over 75W spec from the PCIE slot. 5%.

Minor point, but it is 66W on the 12V lines, 75W total for 12V and 3.3V.
post #793 of 1129
Quote:
Originally Posted by Forceman View Post

Minor point, but it is 66W on the 12V lines, 75W total for 12V and 3.3V.

Granted, though I would say that this is the very first time I have ever heard the numbers parsed like that when talking about max power from the PCIE slot. I've only ever heard people dicuss the 75W number in the past.
post #794 of 1129
Quote:
Originally Posted by GnarlyCharlie View Post

If I had a 480, I'd keep the overspec bios. Chances are it won't hurt a thing and might give the enthusiast a little bump over what the "fix" gives

I just wanted to comment on your sig. I think it'd have more of a zing to it if you changed "plants" to "GPUs". wink.gif

If I had a 480, I'd give it to a miner, then tell him to tri fire it while overclocking the snot of the card. devil.gif
post #795 of 1129

So many here know absolutely nothing about Droop, and Amperage. /shakes my head. Some do and it's easy to tell who does and doesn't.

post #796 of 1129
P=IV, so as V droops, I increases. Did I get that right? biggrin.gif
post #797 of 1129
stop cheating by looking at PCper articles!
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post #798 of 1129
Quote:
Originally Posted by magnek View Post

P=IV, so as V droops, I increases. Did I get that right? biggrin.gif
If it's an ideal "ohmic" circuit (if it's a linear relationship), sure. It's an approximation, not 100%... especially when heat is generated by the circuit... lol (transistors aren't usually ohmic for instance)
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post #799 of 1129
Quote:
Originally Posted by Tisser12 View Post

AIB 480's will have all drivers fixed and most likely upgraded hardware (aside from not getting hot enough to melt steel.. 75c is high enough for me, let alone 85?!) I was planning on waiting for them because I want dual cooling fans and hopefully a second HDMI port, reading about these "issues" hasn't swayed my decision at all except that I was deff waiting for aib. My HD6950 has done great so far she can make it another two weeks or so I hope.

Load temps of 80-90C has been the target and designed operating temp of reference videocards for something like 10yrs now.. It's normal. Nvidia targets 83C, the RX480 targets 80C and a fan speed of 2200rpm. Both the reference R9 290 series and the GTX 480 / 470 would hit 90C+ under load.
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post #800 of 1129
One question..

In PCI-E 2.0 and PCI-E 2.1 was change in specification regarding power supply from PCI slot. Does anyone remember exact values ,becase i believe it was more than 75 watt. and I am not sure if it was passed to 3.0+ spects...
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Overclock.net › Forums › Industry News › Hardware News › [Reddit] RX 480 fails PCI-E specification