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  1. #1
    ROG Enthusiast Array
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    Question R6E: NVME SSD installed in DIMM.2 module only using PCIE 3.0 X1 instead of X4

    I have a Rampage VI Extreme Motherboard kitted out with a 7900X CPU and a Samsung 960 EVO SSD. I have a 960 EVO NVME SSD installed in the DIMM.2 (left slot, closest to RAM) and the SSD is only utilizing 1 lane of PCIE 3.0. I have changed several settings in the bios in a effort to troubleshoot this issue including: Reset all settings to default, Disable XMP and manually tune my memory to it's XMP rated speeds and voltage, Made sure PCI setting is set to PCI 3.0 8 Gigatexels instead of AUTO, Tried XMP settings enabled, set M.2 Source to CPU with PCIE 3.0 8X. Nothing has worked. I've updated the firmware on the drive, and updated the BIOS on the motherboard.

    Samsung's Magician software continues to see the drive as connected to a PCIE 3.0 1X lane and the speeds reflect that. i'm to the point where i'm about to give up on the DIMM.2 module. Has anyone else had issues with the DIMM.2 Module not utilizing enough lanes on the Rampage VI Extreme?

    Here are some pics and my system specs.

    Speccy TXT: https://1drv.ms/t/s!AmbjG5a2Eu2ygpRklXSRiwK3sBkZ0w

    Click image for larger version. 

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  2. #2
    ROG Guru: Yellow Belt Array G75rog PC Specs
    G75rog PC Specs
    MotherboardR VI Apex
    ProcessorI9-7900X
    Memory (part number)64GB Gskill Trident Z
    Graphics Card #1AMD Radeon VII
    Graphics Card #2Waste of PCI lanes in NVME environment
    Sound CardStock
    MonitorLG 34" Ultra Wide3440x1440
    Storage #14ea 960 Pro 2TB, 2ea 970 Evo 2TB
    Storage #21ea 960 Pro 1 TB, 1ea 970 Pro 1TB
    CPU CoolerNZXT Kraken X62
    CaseCorsair 800D
    Power SupplyNZXT Hale 90 1200W
    Keyboard Logitech G910
    Mouse Razer Ouroboros
    OS W10 64 1809
    Network RouterNetgear R9000 + 4ea R9000 AP's
    Accessory #1 Hyper M.2 X16
    Accessory #2 10GB network
    Accessory #3 2 10GB Asustor NAS

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    Move the drive to the other side of the card and check it. Or try it in the motherboard socket.

  3. #3
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    I feel like either you have a bios setting wrong or its maybe you have too many things installed what else is in your expansion slots. Obviously you have one 1080ti. But what else?

  4. #4
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    Quote Originally Posted by G75rog View Post
    Move the drive to the other side of the card and check it. Or try it in the motherboard socket.
    Thanks, Yeah I finally fixed it by moving it to Slot #2. I'm not sure why slot 1 is running slow, but at least the problem is resolved. I'm betting I would run into problems if I tried to do a RAID 0 array on the DIMM.2 using that bad slot.

    Here is a pic of how the build turned out. (had to RMA 1 stick of ram)

    Click image for larger version. 

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  5. #5
    ROG Guru: Yellow Belt Array G75rog PC Specs
    G75rog PC Specs
    MotherboardR VI Apex
    ProcessorI9-7900X
    Memory (part number)64GB Gskill Trident Z
    Graphics Card #1AMD Radeon VII
    Graphics Card #2Waste of PCI lanes in NVME environment
    Sound CardStock
    MonitorLG 34" Ultra Wide3440x1440
    Storage #14ea 960 Pro 2TB, 2ea 970 Evo 2TB
    Storage #21ea 960 Pro 1 TB, 1ea 970 Pro 1TB
    CPU CoolerNZXT Kraken X62
    CaseCorsair 800D
    Power SupplyNZXT Hale 90 1200W
    Keyboard Logitech G910
    Mouse Razer Ouroboros
    OS W10 64 1809
    Network RouterNetgear R9000 + 4ea R9000 AP's
    Accessory #1 Hyper M.2 X16
    Accessory #2 10GB network
    Accessory #3 2 10GB Asustor NAS

    Join Date
    Jan 2013
    Reputation
    12
    Posts
    232

    The X1 on the Dimm.2 could be a faulty Dimm card or CPU to socket interface.

    If your RAM is a matched kit you should have RMA'd the entire kit. You might get back a mismatched stick RMAing a single stick.

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