Posted May 18, 2021 Hi guys, Searched a lot of stuff on the internet and I can't find an answer. When I install 2 gpus at PciE 16 , the speeds are x16 + x4 How the heck miners mine with all that pcie x1 slots without them not loosing hashrate like that? I tried sometime ago, mining on my pc with 2 gpus and 1 of them always mined at half the hashrate. Please, do explain this magic. PC: Ryzen 5 3600x AMD 6700XT Hellhound + RTX 3060 Asus Dual-fan Asus B550 Tuf Gaming Plus Corsair Vengeance LPX 3600mhz ADATA XPG SX8200 PRO Corsair CX750M CP-9020061 Thanks! Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Becuase the bus speed isnt important to the workload at all. Your issue most likely wasnt related to the bus speed Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 (edited) Author Ok, so I realize I should give more info if I want help. My bad. So this is the pc I am using: Ryzen 5 3600x AMD 6700XT Hellhound + RTX 3060 Asus Dual-fan Asus B550 Tuf Gaming Plus Corsair Vengeance LPX 3600mhz ADATA XPG SX8200 PRO Corsair CX750M CP-9020061 I have searched and tried few of the bios settings, regarding the onboard devices and Pci configurations - and nothing.. Edited May 18, 2021 by ViktorParchev spelling the word "realise" Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Because the 3060 have half the hash rate unless you meet certain requirements -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 1 minute ago, Moonzy said: Because the 3060 have half the hash rate unless you meet certain requirements Hi man, I installed the old working drivers 470.05_gameready_win10-dch_64bit I mine with full hashrate when the card is solo. But when paired with the 6700.. I used DDU v18.0.3.9 to unistall drivers and installed everything as good as I can. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 You only need one PCIe lane for mining on a GPU. Anything over that isn't doing anything for you for mining purposes anyways. CPU: AMD Ryzen 9 5900X · Cooler: Artic Liquid Freezer II 280 · Motherboard: MSI MEG X570 Unify · RAM: G.skill Ripjaws V 2x16GB 3600MHz CL16 (2Rx8) · Graphics Card: ASUS GeForce RTX 3060 Ti TUF Gaming · Boot Drive: 500GB WD Black SN750 M.2 NVMe SSD · Game Drive: 2TB Crucial MX500 SATA SSD · PSU: Corsair White RM850x 850W 80+ Gold · Case: Corsair 4000D Airflow · Monitor: MSI Optix MAG342CQR 34” UWQHD 3440x1440 144Hz · Keyboard: Corsair K100 RGB Optical-Mechanical Gaming Keyboard (OPX Switch) · Mouse: Corsair Ironclaw RGB Wireless Gaming Mouse Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author Just now, Chris Pratt said: You only need one PCIe lane for mining on a GPU. Anything over that isn't doing anything for you for mining purposes anyways. So, you mean professional miners don't have that problem because they only mine with the x1 slots? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 3 minutes ago, ViktorParchev said: Hi man, I installed the old working drivers 470.05_gameready_win10-dch_64bit I mine with full hashrate when the card is solo. But when paired with the 6700.. I used DDU v18.0.3.9 to unistall drivers and installed everything as good as I can. There are other requirements But if you aren't mining, as stated in your original post, then why do you worry about mining performance? Here's mine working, btw Spoiler -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 He's saying the number of pci-e lanes in the slot doesn't matter. The mining software "uploads" a small program in the video card and then that program runs in the video card. The only stuff sent through the pci-e slot is maybe 1 MB/s or something like that ... just the program in the video card saying "no luck dude, give me another batch to work on" , or reporting it found a good code. A single pci-e lane is way more than it's needed - for mining a single lane is enough. nVidia has artificially limited the performance of the card, if it detected a low number of pci-e lanes in the slot (typical with mining people) and if you had no monitor attached to the video card. Maybe older drivers work ignore those limitations. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 14 minutes ago, ViktorParchev said: So, you mean professional miners don't have that problem because they only mine with the x1 slots? No. I mean PCIe lanes don't matter at all for mining. Any performance differential was due to some other cause, not the amount of lanes. CPU: AMD Ryzen 9 5900X · Cooler: Artic Liquid Freezer II 280 · Motherboard: MSI MEG X570 Unify · RAM: G.skill Ripjaws V 2x16GB 3600MHz CL16 (2Rx8) · Graphics Card: ASUS GeForce RTX 3060 Ti TUF Gaming · Boot Drive: 500GB WD Black SN750 M.2 NVMe SSD · Game Drive: 2TB Crucial MX500 SATA SSD · PSU: Corsair White RM850x 850W 80+ Gold · Case: Corsair 4000D Airflow · Monitor: MSI Optix MAG342CQR 34” UWQHD 3440x1440 144Hz · Keyboard: Corsair K100 RGB Optical-Mechanical Gaming Keyboard (OPX Switch) · Mouse: Corsair Ironclaw RGB Wireless Gaming Mouse Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 13 minutes ago, Moonzy said: There are other requirements But if you aren't mining, as stated in your original post, then why do you worry about mining performance? Here's mine working, btw Hide contents I meant that I ain't doing a mining rig or something huge.. Maybe I didn't use a good topic header.. Btw, those cards and hashrates Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 12 minutes ago, mariushm said: He's saying the number of pci-e lanes in the slot doesn't matter. The mining software "uploads" a small program in the video card and then that program runs in the video card. The only stuff sent through the pci-e slot is maybe 1 MB/s or something like that ... just the program in the video card saying "no luck dude, give me another batch to work on" , or reporting it found a good code. A single pci-e lane is way more than it's needed - for mining a single lane is enough. nVidia has artificially limited the performance of the card, if it detected a low number of pci-e lanes in the slot (typical with mining people) and if you had no monitor attached to the video card. Maybe older drivers work ignore those limitations. I have plugged the DP cable into the 3060..:( Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 2 minutes ago, Chris Pratt said: No. I mean PCIe lanes don't matter at all for mining. Any performance differential was due to some other cause, not the amount of lanes. Then what do you thing is the problem with my pc and/ or cards..? Sorry that I ask stupid questions, but I have banged my head with this for a week now..... Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 1 minute ago, ViktorParchev said: I meant that I ain't doing a mining rig or something huge.. Maybe I didn't use a good topic header.. Btw, those cards and hashrates You need pcie 3.0 x8 minimum You need something plugged into the display port, either a display, or a mock display, or an active adapter And finally, you'll be stuck on that single driver forever -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 9 minutes ago, Moonzy said: You need pcie 3.0 x8 minimum You need something plugged into the display port, either a display, or a mock display, or an active adapter And finally, you'll be stuck on that single driver forever I have connected 2 display to both graphics cards. The 6700 is plugged to the top pcie 16 slot and the 3060 to the second one. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 1 minute ago, ViktorParchev said: I have connected 2 display to both graphics cards. The 6700 is plugged to the top pcie 16 slot and the 3060 to the second one. Read the conditions again, and check if your 3060 met the conditions You're probably lacking pcie lanes -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author The second pcie slot, witch the 3060 is on, is a 1 x PCIe 3.0 x16 slot (supports x4 mode), according to my motherboard manual. Is this the problem? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 8 minutes ago, Moonzy said: Read the conditions again, and check if your 3060 met the conditions You're probably lacking pcie lanes The second pcie slot, witch the 3060 is on, is a 1 x PCIe 3.0 x16 slot (supports x4 mode), according to my motherboard manual. Is this the problem? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 2 minutes ago, ViktorParchev said: The second pcie slot, witch the 3060 is on, is a 1 x PCIe 3.0 x16 slot (supports x4 mode), according to my motherboard manual. Is this the problem? 22 minutes ago, Moonzy said: You need pcie 3.0 x8 minimum -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 1 minute ago, Moonzy said: I guess thats it but I still dont get how others mine at all slots with no problem.. Maybe someone can copy-paste me a link to some thread, where people explain this for noob people like me? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Just now, ViktorParchev said: I guess thats it but I still dont get how others mine at all slots with no problem.. Maybe someone can copy-paste me a link to some thread, where people explain this for noob people like me? They simply meet the requirements I listed, there's no other ways around it afaik Even my setup meets that requirement -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author Just now, Moonzy said: They simply meet the requirements I listed, there's no other ways around it afaik Even my setup meets that requirement Can you share your motherboard model? Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Just now, ViktorParchev said: Can you share your motherboard model? Z490 prime-p -sigh- feeling like I'm being too negative lately Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 2 minutes ago, Moonzy said: Z490 prime-p Reading your MBs manual, I dont see anything different then my MB.. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
Posted May 18, 2021 Author 9 minutes ago, Moonzy said: They simply meet the requirements I listed, there's no other ways around it afaik Even my setup meets that requirement Can changes of these settings help my case? I tried tinkering with some but no success.. Link to comment Share on other sites More sharing options... Link to post Share on other sites More sharing options...
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