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  1. #11
    ROG Enthusiast Array martine-dee PC Specs
    martine-dee PC Specs
    MotherboardASUS ROG Strix X299-E Gaming
    ProcessorIntel Core i7-7820X 3.6 GHz @ 4 GHz
    Memory (part number)CMK32GX4M4A3200C16
    Graphics Card #1ASUS GeForce GTX 1080 Ti Strix Gaming, 11 GB VRAM
    Sound CardCreative Sound Blaster AE-9
    Monitor2x ASUS VG248QE, 24"
    Storage #12x SSD: WD Blue 1 TB, WD Black 1 TB
    Storage #2HDD: WD Red, 1 TB
    CPU Coolerbe quiet! Dark Rock Pro 3
    Casebe quiet! SILENT BASE 800
    Power Supplybe quiet! Dark Power Pro 11 1000W
    Keyboard SteelSeries Apex 7, Red
    Mouse Logitech G403 @ 3200 dpi
    Headset DT 770 Pro
    Mouse Pad Logitech G240
    Headset/Speakers Creative Inspire T6300
    OS Ubuntu 16.04, Win 10 Home 64bit, 1903
    martine-dee's Avatar
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    Sep 2017
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    So, here are the newest findings. On Tuesday I disconnected SATA plugs 3-8, and that made the problem go away. No boot-up freezes. No restart loops. That is a good start.

    In empirical conclusion, the problem seems linked to SATA devices clashing with the PCIe / M.2 devices. So, that needs a look at. Currently, I use two PCIe slots, and one M.2 slot:

    - PCIEX16/X8_1: GTX 1080 Ti Strix
    - PCIEX4: Creative AE-9
    - M.2_2: WDS100T2X0C (1TB NVMe SSD)

    Limitations and settings:
    - Because of the physical space, AE-9 can only go to either PCIEX4 or PCIEX16/X8_2.
    - The CPU (i7-7820X) has 28 lanes.
    - To the BIOS settings, the 'PCIEX4 & SATA6G_5~8 Switch Function' is on the Auto, which means that SATA_78 are out, but SATA_56 should be available still.
    - Luckily, M.2_1 is free. Else, it might clash with SATA 1.
    - SATA Mode is AHCI
    - I already use SATA_12.

    This part of the manual seems illiterate (mixing plural and singular, it's probably 'slots', not 'slot'), but let's say it means that possibly SATA 5-8 might be unusable.

    > PCIe 3.0/2.0 x4 slot share with SATA_56 ports and SATA_78 ports
    > when use device in x4 mode. Adjust BIOS settings to use SATA
    > devices.

    The need:
    - I have three more SATA drives to add. Then one CD/DVD device as well. So, I need four slots beside SATA_12.

    Limitation (empirical):
    The issues also presented when I used SATA 3/4.

    Tactics:
    - I will give power but not SATA connection to all drives. If issues reappear, I will revise the tactics.
    - I will begin to add the four drives one by one over days. First SATA 3, then 4, and will work my way up to the 5 and 6. If issues reappear, will backtrack.

    Ftr, the SATA enumeration starts up, so seeing the SATA slots from the connector side (female), they are:

    Code:
            PCIEX1_1
                |
                |    PCIEX16/X8_1
                |     |
                v     v
               |  |  |  |
    S7  S5  S3  S1
    S8  S6  S4  S2
    ================== (mobo)
    Last edited by martine-dee; 03-15-2020 at 03:19 PM.
    A Quaker here

  2. #12
    ROG Enthusiast Array martine-dee PC Specs
    martine-dee PC Specs
    MotherboardASUS ROG Strix X299-E Gaming
    ProcessorIntel Core i7-7820X 3.6 GHz @ 4 GHz
    Memory (part number)CMK32GX4M4A3200C16
    Graphics Card #1ASUS GeForce GTX 1080 Ti Strix Gaming, 11 GB VRAM
    Sound CardCreative Sound Blaster AE-9
    Monitor2x ASUS VG248QE, 24"
    Storage #12x SSD: WD Blue 1 TB, WD Black 1 TB
    Storage #2HDD: WD Red, 1 TB
    CPU Coolerbe quiet! Dark Rock Pro 3
    Casebe quiet! SILENT BASE 800
    Power Supplybe quiet! Dark Power Pro 11 1000W
    Keyboard SteelSeries Apex 7, Red
    Mouse Logitech G403 @ 3200 dpi
    Headset DT 770 Pro
    Mouse Pad Logitech G240
    Headset/Speakers Creative Inspire T6300
    OS Ubuntu 16.04, Win 10 Home 64bit, 1903
    martine-dee's Avatar
    Join Date
    Sep 2017
    Reputation
    50
    Posts
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    So far, so good. Though, I am still at the SATA 1-4.

    One other thought was, maybe this is about the CPU lanes. So, let's see if that has some merit.

    The CPU itself has 28 lanes.

    Lane users:
    - GTX 1080 Ti Strix, that alone is 16 lanes
    - The M.2? Perhaps 4 lanes
    - AE-9: Its slot is using 2 lanes.
    - DMI 3.0, for PCH-CPU: 4 lanes

    That is 26 so far. I wonder if there would be other spenders.

    [edit 2020-03-18] Now, this bit is interesting:
    https://www.hardwarezone.com.my/feat...-x299-platform

    It would say that the rest of the things go to the chipset. So, SSDs should not clog the CPU. That is good. But being so close to the lane limit is scary!

    [edit 2020-03-20] Meanwhile, I am at stable four drives now. Yippee!! I will keep going.

    Click image for larger version. 

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    Last edited by martine-dee; 03-21-2020 at 11:38 AM.
    A Quaker here

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