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HP OMEN 17-an012nf BIOS dump with EC (DAG3BAMBAF0 REV : F)

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  • MDSI
    • Apr 2022
    • 37
    • France
    #1

    HP OMEN 17-an012nf BIOS dump with EC (DAG3BAMBAF0 REV : F)

    Hello,

    I'm requesting a full BIOS dump (including EC firmware) for an HP OMEN 17-an012nf laptop.

    Details:
    Model : HP OMEN 17-an012nf
    Motherboard Part Number : DAG3BAMBAF0 REV : F
    Serial Number (S/N) : 5CD7280D51
    BIOS chip : Winbond W25Q64VSIQ
    Programmer : EZP2023+
    Issue : The motherboard is not powering on. Only the 5V rail is present. The 3.3V rail is missing because EN1 on the SY8286B remains stuck at 0V. This signal is driven directly by the EC/SIO. I replaced the 3.3V regulator and confirmed it's working.

    I already tried reflashing the original dumped BIOS from this board, but the issue persists. It seems to be related to corrupted EC firmware or bad logic in the BIOS region.

    What I'm looking for:
    A clean, working SPI dump for this board that includes both the BIOS and embedded controller (EC) firmware. Preferably a known good working version (e.g., BIOS F.20/F.22), compatible with this board revision.

    Thank you in advance for your support!

    Best regards,
    Attached Files

    Premium supporters get full download access and other benefits.

    Tags: None
    • peste
      Super Moderator
      • Dec 2016
      • 15851
      • ROMANIA
      #2
      Originally posted by MDSI
      Hello,

      I'm requesting a full BIOS dump (including EC firmware) for an HP OMEN 17-an012nf laptop.

      Details:
      Model : HP OMEN 17-an012nf
      Motherboard Part Number : DAG3BAMBAF0 REV : F
      Serial Number (S/N) : 5CD7280D51
      BIOS chip : Winbond W25Q64VSIQ
      Programmer : EZP2023+
      Issue : The motherboard is not powering on. Only the 5V rail is present. The 3.3V rail is missing because EN1 on the SY8286B remains stuck at 0V. This signal is driven directly by the EC/SIO. I replaced the 3.3V regulator and confirmed it's working.

      I already tried reflashing the original dumped BIOS from this board, but the issue persists. It seems to be related to corrupted EC firmware or bad logic in the BIOS region.

      What I'm looking for:
      A clean, working SPI dump for this board that includes both the BIOS and embedded controller (EC) firmware. Preferably a known good working version (e.g., BIOS F.20/F.22), compatible with this board revision.

      Thank you in advance for your support!

      Best regards,
      bios extracted from HP website update for OMEN by HP - 17-an012nf
      DMI 220000 - 22210FF
      KEYWIN 63F000 - 63E03F
      Attached Files

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      If you have found our forum useful please consider supporting us. Subscribe for a small monthly fee and receive extra benefits including our boardview / schematic archive.

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        Comment

        • peste
          #2.1
          peste commented
          07-28-2025, 12:29 PM
          Editing a comment
          post the name and model of the I/O chip...
        • MDSI
          • Apr 2022
          • 37
          • France
          #3
          Thank you for your quick reply, Peste — I really appreciate it!
          The I/O chip on this motherboard is an ITE IT8987E.
          Let me know if you need a photo of the chip or any other specific information from the board.
          Thanks again for your help!

            Comment

            • peste
              Super Moderator
              • Dec 2016
              • 15851
              • ROMANIA
              #4
              Originally posted by MDSI
              Thank you for your quick reply, Peste — I really appreciate it!
              The I/O chip on this motherboard is an ITE IT8987E.
              Let me know if you need a photo of the chip or any other specific information from the board.
              Thanks again for your help!
              try EC...
              Attached Files

              Premium supporters get full download access and other benefits.

              If you have found our forum useful please consider supporting us. Subscribe for a small monthly fee and receive extra benefits including our boardview / schematic archive.

              It only takes 1 minute:
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                Comment

                • MDSI
                  • Apr 2022
                  • 37
                  • France
                  #5
                  Thank you, Peste. I'll do that as soon as I have some time and will let you know.

                    Comment

                    • MDSI
                      • Apr 2022
                      • 37
                      • France
                      #6
                      I'm currently trying to flash the ITE IT8987E EC chip using a RT809HSE programmer.

                      I've followed all the known SPI ISP procedures:
                      • Verified 3.3V is present on pin 106 (VHSPI)
                      • Connected FSCK, FMOSI, FMISO, FSCE#, and GND correctly to the ISP port of the RT809H
                      • Forced WRST# (pin 14) and CS# (pin 101) to GND

                      Despite all this, the RT809H always returns:
                      ID: FFFF, Ver: FF → ID verification error

                      It seems the EC is either not entering ISP mode or not responding at all.

                      Has anyone successfully flashed an IT8987E in-circuit using the RT809H?

                      Any advice or confirmed working methods would be greatly appreciated.

                      Thanks in advance!

                        Comment

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