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AB350Pro4 - Bad PCIEx16 slot |
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NightKing 
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Joined: 11 Oct 2017 Status: Offline Points: 20 |
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 Posted: 12 Oct 2017 at 4:04am |
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AB350 Pro4, Ryzen 5 1600, Samsung 850 EVO-Series 500GB SSD, G.SKILL F4-3000C15D-16GVRB, Win 10 x64 Home, WD Caviar Blue 1TB, Gigabyte GTX 1080 8GB G1, EVGA - SuperNOVA G2 550W 80+ Gold , BIOS 3.20
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datonyb
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Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139 |
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Posted: 12 Oct 2017 at 5:23am |
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well its only a pcie2 but it may help see if the slot is totally bad
if it works run a benchmark like passmark and see if its comparable to other 720 cards (to test the slots bandwidth etc) Edited by datonyb - 12 Oct 2017 at 5:25am |
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[url=https://valid.x86.fr/jpg250]
 [/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
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NightKing
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Posted: 12 Oct 2017 at 12:27pm |
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Holly Molly! I have interesting finds!
I am currently doing a complete testing of my rig with different components. I have got my hands on a GTX 670 and will borrow a HX850i from a buddy tomorrow. I will be testing 1080 on another PC and do another round of testing tomorrow. So, while testing with the GTX 670 installed in PCIE2.. i experienced screen freezes(and reboots), stutters, audio stutter, random reboots and all hell! I checked GPU-Z and noticed that Bus Interface is showing PCIe x 16 3.0 @ x16 1.1 instead of PCIe x 16 3.0 @ x16 3.0. So changed to max performance in nvidia control panel and tried render in gpuz and benchmark but these didnt help and bus interface stayed at PCIe x 16 3.0 @ x16 1.1 . Re-seated GTX 670 to PCIE4 and everything worked as expected. No stutters/lag etc and bus interface is running at PCIe x 4 3.0 @ x4 3.0. By this time i was sure that Mobo was bad and re-seated GTX1080 into PCIE2. now GPUZ reports PCIe x 16 3.0 @ x16 1.1 on 1080 too  . Tried all above render/benchmart etc but still the bus stays at 1.1. I realized that I never noticed this little box in GPUZ all these days, so it might have been running at 1.1 from day 1. And as usual 1080 also runs normally on PCIE4 with bus interface PCIe x 4 3.0 @ x4 3.0 Tldr: GTX670 PCIE2 - PCIe x 16 3.0 @ x16 1.1 GTX670 PCIE4 - PCIe x 4 3.0 @ x4 3.0 GTX1080 PCIE2 - PCIe x 16 3.0 @ x16 1.1 GTX1080 PCIE4 PCIe x 4 3.0 @ x4 3.0 So, bad PCIE slot?
Edited by NightKing - 12 Oct 2017 at 12:35pm |
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AB350 Pro4, Ryzen 5 1600, Samsung 850 EVO-Series 500GB SSD, G.SKILL F4-3000C15D-16GVRB, Win 10 x64 Home, WD Caviar Blue 1TB, Gigabyte GTX 1080 8GB G1, EVGA - SuperNOVA G2 550W 80+ Gold , BIOS 3.20
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wardog
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Joined: 15 Jul 2015 Status: Offline Points: 6447 |
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Posted: 12 Oct 2017 at 3:00pm |
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wardog
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Posted: 12 Oct 2017 at 3:20pm |
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I've seen GPU-z record the wrong link speed many many times. No idea why either. Go to: https://www.aida64.com/downloads DL and install the latest Extreme 30 Day Trial Up at the top of AIDA64 is "Tools', choose GPGPU Benchmark, unselect the CPU, and run. When it finishes, either select Save at the bottom and post that pic here, OR, simply post the values under the GPU column for Memory Read and Memory Write |
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wardog
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Posted: 12 Oct 2017 at 4:45pm |
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Instead...... Launch GPU-z Launch AIDA64's GPGPU Bench and watch GPU-z's Bus Interface jump to PCIe x 16 3.0 @ x16 3.0 What you're seeing is the GPU itself in power down/savings mode when displaying 1.1, and 3.0 when put under load. |
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datonyb
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Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139 |
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Posted: 12 Oct 2017 at 7:29pm |
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yes was going to say the pcie speed on mine sits at 1.1 on idle and clocks up to 3 on load
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[url=https://valid.x86.fr/jpg250]
[/url]3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold |
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NightKing
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Posted: 12 Oct 2017 at 11:24pm |
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As I already mentioned, it stays at 1.1 even under load or even while running Unigine benchmark. Here's the GPU-z screen shot while aida was running and also the results of aida GPGPU benchmark. Aida GPGPU results in text - https://pastebin.com/ED0ezj2E   Edited by NightKing - 12 Oct 2017 at 11:43pm |
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AB350 Pro4, Ryzen 5 1600, Samsung 850 EVO-Series 500GB SSD, G.SKILL F4-3000C15D-16GVRB, Win 10 x64 Home, WD Caviar Blue 1TB, Gigabyte GTX 1080 8GB G1, EVGA - SuperNOVA G2 550W 80+ Gold , BIOS 3.20
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wardog
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Posted: 13 Oct 2017 at 1:17am |
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NightKing
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Posted: 13 Oct 2017 at 1:21am |
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AB350 Pro4, Ryzen 5 1600, Samsung 850 EVO-Series 500GB SSD, G.SKILL F4-3000C15D-16GVRB, Win 10 x64 Home, WD Caviar Blue 1TB, Gigabyte GTX 1080 8GB G1, EVGA - SuperNOVA G2 550W 80+ Gold , BIOS 3.20
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datonyb wrote:
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