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  1. #1
    ROG Junior Member Array
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    Question M.2_2 Configuration not saved in bios

    Hello,

    I have tried to solve it and searched the web, but till now no luck.

    The problem is, that i wanted to set the M.2_2 Configuration ( in the bios) to X4.
    But when the system is restarted, it is set back to X2.

    I have only 1 Samsung 960 PRO NVMe M.2 SSD 1Tb as a harddisk fitted on the mobo and it's capable for X4.
    It's fitted on the M.2_1 (socket3) right below the cpu.

    My mobo is a Asus Maximus Hero X and the bios is version 2402.

    The settings in bios:

    PCIEX4_3 Bandwith is set to default X2 ( tried to set it to X4, but no joy)
    M.2_1 Configuration: [Auto][SATA mode][PCIE mode is set to Auto ( tried to set to SATA, but also no joy)
    M.2_2 Configuration is default set at X2. ( Can be set to X4 but isn't saved to the bios and flips back to X2)

    Hopefully someone can help me with this one.
    Miniatura de Adjuntos Miniatura de Adjuntos 20200927_103841[356].jpg  


  2. #2
    ROG Guru: Yellow Belt Array no1yak PC Specs
    no1yak PC Specs
    MotherboardMaximus Hero X I Wi-Fi/ Hero IX
    Processori9 9900KF/ i7 7700K both @ 4.7Ghz
    Memory (part number)Gskill F4-3200C16D / Corsair 2400 LPX
    Graphics Card #1Evga GTX 1070 SC ACX3 / Evga 1060 SC
    Sound CardEssence One DAC Muses edition
    MonitorEizo CG275W/ Dell U2719D
    Storage #1Samsung 970 EVO Plus NVMe / 950 Pro
    Storage #2Samsung EVO 950 Pro M.2 + 850 Pro 1TB
    CPU CoolerCorsair 150i pro/Noctua NHu-14S
    CaseCorsair 500D/ Corsair 450D
    Power SupplyEvga 650 P2 /Corsair HX750
    Keyboard Cherry MX6
    Mouse Corsair M65
    Headset/Speakers Corsair SP2500 + Senn HD650 + HD 600
    OS Windows 10 Pro x64 1909

    Join Date
    Jun 2015
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    If you only have one NVMe drive in M2-1 then why are you worrying about the M.2-2 slot. You can leave M.2-1 in auto or set it to PCIe mode. As far as I'm aware(could be wrong) M2-2 wont change if there is no NVMe drive in the slot. You can always move your drive to M.2-2 and see if that will get you X4. I don,t have the Hero X but my XI doesn't have those settings in the bios my IX does but both M.2 slots are in use so can't test it for you.
    Last edited by no1yak; 09-27-2020 at 09:57 AM.

  3. #3
    ROG Junior Member Array
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    After reading your post, i feel really dumb right now.
    Not realizing M2_2 stands for the socket. ( i was thinking about setting up the second step X4)

    So thank you for this wake-up call
    Before someone else will post a image as a response, i will do it myself...
    Miniatura de Adjuntos Miniatura de Adjuntos 01-facepalm.jpg  


  4. #4
    ROG Guru: Yellow Belt Array no1yak PC Specs
    no1yak PC Specs
    MotherboardMaximus Hero X I Wi-Fi/ Hero IX
    Processori9 9900KF/ i7 7700K both @ 4.7Ghz
    Memory (part number)Gskill F4-3200C16D / Corsair 2400 LPX
    Graphics Card #1Evga GTX 1070 SC ACX3 / Evga 1060 SC
    Sound CardEssence One DAC Muses edition
    MonitorEizo CG275W/ Dell U2719D
    Storage #1Samsung 970 EVO Plus NVMe / 950 Pro
    Storage #2Samsung EVO 950 Pro M.2 + 850 Pro 1TB
    CPU CoolerCorsair 150i pro/Noctua NHu-14S
    CaseCorsair 500D/ Corsair 450D
    Power SupplyEvga 650 P2 /Corsair HX750
    Keyboard Cherry MX6
    Mouse Corsair M65
    Headset/Speakers Corsair SP2500 + Senn HD650 + HD 600
    OS Windows 10 Pro x64 1909

    Join Date
    Jun 2015
    Reputation
    10
    Posts
    142

    Quote Originally Posted by Pteradon View Post
    After reading your post, i feel really dumb right now.
    Not realizing M2_2 stands for the socket. ( i was thinking about setting up the second step X4)

    So thank you for this wake-up call
    Before someone else will post a image as a response, i will do it myself...

    No such thing as a dumb question, the only dumb thing is not to ask it.

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