| Feature | Standard H81 (Retail) | Acer H81H3-AM V1.0 | | :--- | :--- | :--- | | | mATX (244x244mm) | mATX (244x203mm – truncated width) | | CPU Power | 4-pin ATX12V | 4-pin (but 12V pins reversed on some revs) | | Main Power | 24-pin ATX | 12-pin custom (Pinout: 12V, GND, 5VSB, PS_ON, PWR_OK) | | PCIe x16 | Gen 2.0 (from H81) | Gen 2.0 (but physically x16, electrically x4 on second slot) | | BIOS | 8MB SPI | 16MB SPI (contains DMI/SMBIOS locked to Acer) |
The Acer H81H3-AM V1.0 motherboard follows a traditional ATX form factor design, measuring 305mm x 220mm. The board's color scheme is a standard black and silver, with a subtle Acer logo on the top right corner. The layout is clean and well-organized, making it easy to navigate and install components. Acer H81h3-am V1.0 Manual
Because this is an OEM board, Acer prioritized cost-cutting over durability or aesthetics. | Feature | Standard H81 (Retail) | Acer H81H3-AM V1
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Because this is an OEM board, Acer prioritized
Hard Drive LED (HDD_LED) Power Switch (PW_SW) [+] [-] [+] [-] | | | | Pin --> 1 3 5 7 9 (No Pin) . . . . . . . . . 2 4 6 8 10 (Key / Empty) | | | | [+] [-] [+] [-] Power LED+ / - Reset Switch (RST) Step-by-Step Front Panel Connections:
Connecting case cables to an OEM board is often difficult without a visual map. Use these specific pinouts to wire your chassis correctly. Front Panel Header (F_PANEL)
Third-party generic H81 manuals from ASUS or Gigabyte will have different front panel pinouts and BIOS hotkeys. Always refer to Acer-specific documentation.