Acer H81h3-am V1.0 Manual Official

| Feature | Details | |---------|---------| | Form factor | Micro-ATX | | CPU socket | LGA 1150 | | Chipset | Intel H81 | | Supported CPUs | Intel 4th gen (Haswell) Core i7/i5/i3, Pentium, Celeron | | RAM | 2 x DDR3 DIMM slots, max 16GB, 1333/1600 MHz, dual channel | | Expansion slots | 1 x PCIe x16 (3.0), 1 x PCIe x1, 1 x PCI (legacy) | | Storage | 2 x SATA 3 (6Gb/s), 2 x SATA 2 (3Gb/s) | | Rear I/O | 4 x USB 3.0, 2 x USB 2.0, PS/2 (keyboard/mouse), VGA, HDMI, LAN (Realtek GbE), audio jacks (3) | | Internal headers | USB 2.0 (2 headers), COM port header, front panel audio, 4-pin CPU fan, 3-pin system fan | | BIOS | AMI UEFI (Acer-specific GUI) |

⚠️ Note: Some Acer OEM boards have a proprietary front panel power switch pinout — do not assume standard ATX. Acer H81h3-am V1.0 Manual

| Revision | Date | Changes | |----------|------|---------| | 1.0 | 2025-01 | Initial public release | | Feature | Details | |---------|---------| | Form

Disclaimer: This manual is based on reverse‑engineering and community documentation. Acer does not officially release standalone motherboard manuals for OEM boards. Refer to your full system’s service guide for exact BIOS and layout variations. ⚠️ Note: Some Acer OEM boards have a

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Warning: Overclocking is not supported. The BIOS does not allow multiplier adjustments or voltage changes.