• ECS H81H3-M4 V1.0A TESTED

    Tested BIOS for the ECS H81H3-M4 desktop motherboard, version 1.0A, packed in a 3.71 MB rar archive. The H81 in the name points to the Intel H81 chipset.

    BIOS · 3.71 MB · 16 Oct 2021
    BIOS rar
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    3.71 MB
  • ECS H81H3-M4 V1.0A

    BIOS firmware for the ECS H81H3-M4 desktop motherboard, revision V1.0A, compressed into a 3.48 MB RAR archive.

    BIOS · 3.48 MB · 27 May 2021
    BIOS rar
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    3.48 MB
  • ECS H81H3-M4 PDF

    Schematic for the ECS H81H3-M4 desktop motherboard, an Intel H81 chipset board, provided as a PDF inside a small 783 KB RAR archive.

    Schematic · 783 KB · 24 Nov 2022
    Schematic rar
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    783 KB
  • BIOS ECS H81H3-M4V REV 1.0A

    Firmware package for the ECS H81H3-M4V motherboard, PCB revision 1.0A, supplied as a 1.16 MB RAR archive.

    BIOS · 1.16 MB · 4 Dec 2021
    BIOS rar
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    1.16 MB
  • BIOS ECS H81H3-M4 OKOK

    Firmware image for the ECS H81H3-M4 desktop motherboard, an Intel H81 platform, marked OK by the person who saved it, meaning it was reportedly tested.

    BIOS · 3.55 MB · 3 Jul 2025
    BIOS rar
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    3.55 MB
  • ECS H81H3-M4 V1.0A WORKING BIOS 100% TESTED OK (FAST BOOT)

    Working BIOS image for the ECS H81H3-M4 motherboard, version 1.0A, which the name reports as fully tested and configured for fast boot. Packed in a 3.52 MB RAR.

    BIOS · 3.52 MB · 23 Nov 2022
    BIOS rar
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    3.52 MB
  • ECS H81H3-M4 V1.0A FAST BOOT 8MB WORKING BIOS 100%

    Desktop motherboard BIOS for the ECS H81H3-M4, board version 1.0A, labelled as a fast boot build and reported as fully working.

    BIOS · 3.52 MB · 3 Jul 2025
    BIOS rar
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    3.52 MB