Lenovo M710q need bios modification for 8 and 9th gen CPU

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  • Andreasbest
    Badcaps Legend
    • Aug 2014
    • 1196
    • Hellas ( Greece )

    #1

    Lenovo M710q need bios modification for 8 and 9th gen CPU

    Hello.
    I downloaded several modified BIOS for Lenovo M710q and work but most of them are old versions and one gave me "LAN adapter's NVM configuration is corrupted" on boot, so i decide to flash the latest official 1.5A version and upload it here for someone to modify it and accept 8 and 9 gen T cpu.

    Uploading the one that worked better too, in case you want to copy the microcode.

    Thank you in advance!
    Attached Files
    Last edited by Andreasbest; 09-23-2025, 03:25 AM.
  • Andreasbest
    Badcaps Legend
    • Aug 2014
    • 1196
    • Hellas ( Greece )

    #2
    Managed to get the tool that does the job but still i can't do it right, tried already twice but no post.
    I don't do correctly the HxD part and the patching with microcodes i guess.

    Directions i got:

    Boot to BIOS take a copy of the page with the UUID and other data
    There is an app that extracts it but not had a chance to look at this yet.
    You'll probably will need to to put the data back as it will all go after flash

    Backup your current BIOS (16MB) with CH341A programmer, there are apps that might do this also but can't guarantee results
    Keep a copy of this BIOS somewhere safe and a copy to work on
    Grab newest M710q BIOS (8MB) from Lenovo support
    Place M710q BIOS in the 2nd half of the backup BIOS (8-16MB region) use HxD app (whoops you'll need to DL this forgot to add)
    Run 'Coffeetime 0.92'
    Patch all every thing you can incl 'Extra' tab
    ME leave this alone, won't upgrade anyways
    VBIOS+GOP update both to highest versions, have update to 228 ticked
    Now with the M700 you only seem to have room for 3x Microcodes choose as you see fit, tick:
    506E3 = Skylake
    906E9 = Kaby Lake
    906EB = Coffee Lake B0 CPUs (these max out at 4 oores) and don't need CPU pad mods
    Choose others as you like, 906Ex are all Coffee Lakes with 6 or 8 cores but need CPU pad mods

    With 'UBU' you can update the Network ROMs too but from memory the M700 gives an error when doing it
    Not sure if you can just ignore it
    You can just leave it as is, LAN works without the update

    take out Coin battery
    Flash Modded BIOS (16MB)
    Put battery back in
    Plug in and wait, it may reboot a couple of times as it sorts its self out, to who what why it is

    If black screen try another DP port
    If nothing happens (it should reboot at least once) something is wrong, reflash another BIOS or original backup

    If no SATA port shows and machine won't boot as can't see drive
    Go into BIOS on exit page set the OS default to 'YES' when machine now boots it should say 'Scanning for Media', ESC out if it goes through network boot options (can be turned off in BIOS)
    Attached Files
    Last edited by Andreasbest; 09-23-2025, 09:05 AM.

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    • Andreasbest
      Badcaps Legend
      • Aug 2014
      • 1196
      • Hellas ( Greece )

      #3
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      • Andreasbest
        Badcaps Legend
        • Aug 2014
        • 1196
        • Hellas ( Greece )

        #4
        bump

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