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[Official] Polaris Owners Club - Page 32

post #311 of 4363
Quote:
Originally Posted by greywarden View Post

Bluejeans Cable has one of the only HDMI 2.0 certified cables in the world. It seemed to fix a lot of ppls issues, in a thread on AVS, that being said, it never worked for my 980Ti -> Samsung JS9000, but DP worked immediately for my RX480 -> Wasabi Mango UHD490

4K over DP is the best way to go, imho

Less resistance. That's all this cable provides.

HDMI cables with a lot of resistance have handshaking issues. Resistance is increased the second data is transferred over the line.

Look to PowerLine Ethernet to see what I am talking about, albeit on a larger voltage scale.
post #312 of 4363
Quote:
Originally Posted by nexxusty View Post

Lol no.

If HDCP creates a handshake the quality is identical over any cable. This is not analog.

Cheap cables have HDCP handshake issues. That's it really. Also crappy quality connectors...

This is not quite true. Some cables with an improper number of twists per meter will experience image breakup with complex video data in environments with high amounts of EMI. This is not a very common problem but I have witnessed it first hand. About 30% of the super cheap HDMI cables we ordered in bulk would not work properly in specific installation locations. OEM HDMI cables bundled with Dish Network equipment (which are noticeably thicker) did not have this problem.
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post #313 of 4363
just a note. If anyone puts a waterblock on reference RX 480, you may want to put a post under it to support the weight of the block. The reference pcb may bend to the point where you get a bad contact with the block. I dropped 30+ degrees wedging a support post under the block.

Here's after a couple hours of heaven without the post: (Both tests were taken with same fan settings but as it's now night time my ambiant temp has dropped 1 degree in the room.)




Here's the same settings after maybe ten min but with less ventilation in the room. (my door is closed.) Edit(ok less than ten from the graph. )

post #314 of 4363
Thread Starter 
Quote:
Originally Posted by greytoad View Post

just a note. If anyone puts a waterblock on reference RX 480, you may want to put a post under it to support the weight of the block. The reference pcb may bend to the point where you get a bad contact with the block. I dropped 30+ degrees wedging a support post under the block.

Here's after a couple hours of heaven without the post: (Both tests were taken with same fan settings but as it's now night time my ambiant temp has dropped 1 degree in the room.)




Here's the same settings after maybe ten min but with less ventilation in the room. (my door is closed.) Edit(ok less than ten from the graph. )


Think that's what the backplate is supposed to prevent. Probably best to get a backplate if looks are a concern
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post #315 of 4363
Quote:
Originally Posted by Echoa View Post

Think that's what the backplate is supposed to prevent. Probably best to get a backplate if looks are a concern

A back plate might help some, but most of the bend was to the left of the farthest screw. The board may bend into a backplate as there is no support screws at the far back end of the card and I was getting about a 3mm bend there. that's 3mm from the back bracket to the first screw hole by the VRMs.

Edit: I'll get a back plate when the nickle one comes out for the EK block.
Edited by greytoad - 8/6/16 at 7:31pm
post #316 of 4363
Quote:
Originally Posted by KarathKasun View Post

This is not quite true. Some cables with an improper number of twists per meter will experience image breakup with complex video data in environments with high amounts of EMI. This is not a very common problem but I have witnessed it first hand. About 30% of the super cheap HDMI cables we ordered in bulk would not work properly in specific installation locations. OEM HDMI cables bundled with Dish Network equipment (which are noticeably thicker) did not have this problem.

Interesting. Definitely would cause some crosstalk... lol.

Thanks for the post.

As I only buy short cables.... I wouldn't have ever experienced this, hehe. Good to know.

Monoprice FTW with long cables IMO.
post #317 of 4363
Thread Starter 
Quote:
Originally Posted by nexxusty View Post

Interesting. Definitely would cause some crosstalk... lol.

Thanks for the post.

As I only buy short cables.... I wouldn't have ever experienced this, hehe. Good to know.

Monoprice FTW with long cables IMO.

Monoprice is a win for decent quality and low price on alot of goodies
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post #318 of 4363
Quote:
Originally Posted by Echoa View Post

Monoprice is a win for decent quality and low price on alot of goodies

Full on.

Love that place.
post #319 of 4363
Well that didn't take long. at these settings but in Firestrike Ultra stress loop I started smelling burning. The screen shot was from after a long Heaven run.

Everything is still working so hopefully I'll be fine.... guiltysmiley.gif

post #320 of 4363
I don't think it was my video card. My motherboard VRMs were the hottest thing in the system at the time. I was running 5Ghz 1.465 on my 4790k and a 189mv offset on my video card. the ASrock extreme6 prolly just got mad I didn't have a full cover block for it. I'm running prime 95 right now at 1.38 and it's not burning. I'm prolly fine. just wont run quite that high of an overclock. VRMs staying steady at 103. Ran firestrike ultra. Everything fine. Wew. I'll probably not go quite so high on my final overclock and maybe start shopping for a board that has a full cover block for the VRMs. thumb.gif

edit: 1450 seems stable with a 100mv offset at a more reasonable 1250 mv. i think I caught it in time. vrms on the video card are in the 60s under load at that voltage. Like I said, it wasn't the video card. I wish AMD put a couple of 8 pin connectors on this thing. I'd be able to push it further. I wonder if I could wire the 3 12v pins on a pci express extender cable to the three 12v pins on a 8 pin cable and bypass my motherboard? anyone try this? or look into it? I thinking it wouldn't work.
Edited by greytoad - 8/6/16 at 10:11pm
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