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  1. #1
    New ROGer Array Tderden71 PC Specs
    Tderden71 PC Specs
    MotherboardAsus RPG z370-g gaming wi fi
    ProcessorIntel core i3 8100

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    Pci-e error when connecting 3 video cards

    Asus z370-g motherboard, it has pcie16, pcie4 and two pcie1 I connect 3 video cards: in the 16th, 4th through the riser and 1st through the riser - and when turned on, 1 long beep and 3 short, black screen. According to the documentation - "video card error". All 3 cards are working, risers are working, and 2 video cards can work simultaneously without error in any combination of connectors. But 3 cards at the same time is a mistake. What could be the reason?

  2. #2
    ROG Guru: Brown Belt Array RedSector73 PC Specs
    RedSector73 PC Specs
    Laptop (Model)FA506IU-AL130T x 2
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)4 x G.SKILL F4-3800C14D-16GTZN 14-16-16-36 Samsung B-Die
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    Sound CardArctis DAC
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 11 64bit Pro
    Network RouterPfSence Intel i5-10210U 6 Port
    Accessory #1 TP-Link Gigabit 8&6 Port Switches

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    Supports NVIDIA® 2-Way SLI® Technology does not say 3-Way

  3. #3
    New ROGer Array Tderden71 PC Specs
    Tderden71 PC Specs
    MotherboardAsus RPG z370-g gaming wi fi
    ProcessorIntel core i3 8100

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    It could be just 3 pci e devices (sound card, WiFi, or any other extenders), SLI is not required

  4. #4
    New ROGer Array Tderden71 PC Specs
    Tderden71 PC Specs
    MotherboardAsus RPG z370-g gaming wi fi
    ProcessorIntel core i3 8100

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    But I bought 3rd riser, and 3 cards work with x1, x1 and x8 pci. If I use x16 with riser - the same error. Could it be any bios setup? I haven’t find any one

  5. #5
    ROG Guru: Brown Belt Array RedSector73 PC Specs
    RedSector73 PC Specs
    Laptop (Model)FA506IU-AL130T x 2
    MotherboardROG CROSSHAIR VIII HERO (WI-FI)
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)4 x G.SKILL F4-3800C14D-16GTZN 14-16-16-36 Samsung B-Die
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    Sound CardArctis DAC
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 11 64bit Pro
    Network RouterPfSence Intel i5-10210U 6 Port
    Accessory #1 TP-Link Gigabit 8&6 Port Switches

    Join Date
    Apr 2018
    Reputation
    65
    Posts
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    Page 1-8 of the manual (also page ix and the specifications pages on the website), I don't think it matters, if they are in SLI or not. It supports three displays in daisy chain and total of two graphics cards in x8 and x8 or that is how I read it, what have ASUS support said ?
    Last edited by RedSector73; 09-20-2021 at 02:24 PM.

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