Acer H81h3-am V1.0 Manual !!better!! Jun 2026

| Pin | Signal | Pin | Signal | | --- | --- | --- | --- | | 1 | HDD LED+ | 2 | Power LED+ | | 3 | HDD LED- | 4 | Power LED- | | 5 | Reset Switch | 6 | Power Switch | | 7 | Ground | 8 | Ground | | 9 | NC (Not Connected) | 10 | Speaker |

| Acer Pin | Signal | ATX Pin | Wire Color (ATX) | | :--- | :--- | :--- | :--- | | 1 | +12V | 10 | Yellow | | 2 | +12V | 11 | Yellow | | 3 | GND | 3 | Black | | 4 | GND | 5 | Black | | 5 | GND | 7 | Black | | 6 | GND | 13 | Black | | 7 | +5VSB | 9 | Purple | | 8 | (NC) | - | - | | 9 | +5VSB (duplicate) | 9 | Purple | | 10 | PS_ON# | 16 | Green | | 11 | (NC) | - | - | | 12 | PWR_OK | 8 | Gray | Acer H81h3-am V1.0 Manual

Proprietary OEM boards often lack a publicly available detailed manual. However, the ECS H81H3-M series manual serves as a close reference. | Pin | Signal | Pin | Signal