Z370 Extreme 4 - GFX card not running at 16x

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   Thanks for letting us know and good call sending both the board and CPU back. It really could be either so better both than the wrong part 
Good luck with the replacements, let us know how it works out 

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Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25268	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Topic: Z370 Extreme 4 - GFX card not running at 16x Posted: 13 Apr 2018 at 4:23am
	Thanks for letting us know and good call sending both the board and CPU back. It really could be either so better both than the wrong part Good luck with the replacements, let us know how it works out


johnnyw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Apr 2018 Location: Finland Status: Offline Points: 15	Post Options Post Reply Quote johnnyw Report Post Thanks(0) Quote Reply Posted: 13 Apr 2018 at 1:30am
	Quick update. Send the parts back to the shop some days ago, today got email from them that parts are faulty and they send the replacement motherboard and cpu for me. They didnt describe was it mobo or cpu or even both, but it was hardware fault anyway. I hope the new parts works, kind of sucks to buy new hardware via post just to find them faulty. Edited by johnnyw - 13 Apr 2018 at 1:33am

johnnyw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Apr 2018 Location: Finland Status: Offline Points: 15	Post Options Post Reply Quote johnnyw Report Post Thanks(0) Quote Reply Posted: 08 Apr 2018 at 2:16pm
	No other cards/PCI-E devices plugged in. If i plug gfx card to the primary x16 slot (closest to cpu) it runs at x8 3.0 instead of x16, if i plug it to secodary x16 slot it runs only at x4 speed. I have now tested it with 3 different gfx card which are all verified to work on other systems, and behaviour is same with all of those. Allready filled RMA form to the shop i bought the mobo & cpu as either of those is faulty. Edited by johnnyw - 08 Apr 2018 at 5:35pm

badbri Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 20 Feb 2018 Location: USA Status: Offline Points: 415	Post Options Post Reply Quote badbri Report Post Thanks(0) Quote Reply Posted: 08 Apr 2018 at 12:16am
	Do you have ANY other PCIe cards plugged in besides the Gfx card ? If you do.. which PCIe slot is it in ?
	https://www.passmark.com/baselines/V9/display.php?id=99573335296

johnnyw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Apr 2018 Location: Finland Status: Offline Points: 15	Post Options Post Reply Quote johnnyw Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 9:59am
	Well as non native english speaker i could of probably describe it better, didnt mean anything bad. But really case fans or cpu cooler shouldnt really have impact to PCI-E lane speeds.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 5:35am
	Relevant huh? ok then............

johnnyw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Apr 2018 Location: Finland Status: Offline Points: 15	Post Options Post Reply Quote johnnyw Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 4:03am
	EVO is normal 2.5" SSD, Gfx card is Asus gtx 1080 strix A "non ti". Yes 8pin is plugged as is every other cable, dont think system would even start if 8pin wouldnt be plugged in :) All the relevant hardware is mentioned at the opening post. Top of those Fractal Define C case, 3x case fans and noctua D14 cpu cooler. Ram kit is: CMK16GX4M2B3000C15 Edited by johnnyw - 06 Apr 2018 at 4:09am

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 3:44am
	If that EVO is m.2, which slot/port is it secured into?

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 3:42am
	Johnny, The hardware you list in your 1st post. This is with only that listed installed? The EVO. Is it M.2 or 2.5"? Memory. Kit number please. You do have all 8 pins powered on the 8-pin ATX from the psu correct? 1080 or 1080ti?

johnnyw Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 05 Apr 2018 Location: Finland Status: Offline Points: 15	Post Options Post Reply Quote johnnyw Report Post Thanks(0) Quote Reply Posted: 06 Apr 2018 at 3:12am
	Yes it changes from x8 1.1 to x8 3.0. Even tried with friends R9 390 gfx card today and still had same problem, so i guess either mobo or cpu is faulty.