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Because this is primarily an OEM board, finding an official physical user manual can be difficult. This comprehensive guide serves as your unofficial , detailing technical specs, component layouts, front panel pin configurations, and upgrade paths. 1. Technical Specifications Overview
Since the motherboard manual is hard to find, here is the exact connector layout for the . Use this section as a visual reference. Acer H81h3-am V1.0 Manual
| | Details | |-------------|-------------| | Form Factor | Micro-ATX (24.4 cm x 21.6 cm) | | CPU Socket | LGA 1150 | | Compatible CPUs | Intel Core i7 / i5 / i3 (Haswell, Haswell Refresh), Pentium, Celeron | | Chipset | Intel H81 Express | | Memory Slots | 2 x DDR3 DIMM (Non-ECC, unbuffered) | | Max Memory | 16 GB (8GB per slot) | | Memory Speed | DDR3 1333 / 1600 MHz | | Expansion Slots | 1 x PCIe x16 (v2.0), 1 x PCIe x1, 1 x PCI (legacy) | | Storage | 2 x SATA 3.0 (6Gb/s), 2 x SATA 2.0 (3Gb/s) | | USB Ports (Rear) | 2 x USB 3.0, 4 x USB 2.0 | | USB Headers (Internal) | 1 x USB 3.0 (supports 2 ports), 2 x USB 2.0 (supports 4 ports) | | Video Outputs | 1 x VGA (D-Sub), 1 x HDMI | | Audio | Realtek ALC662 (6-channel HD Audio) | | LAN | Realtek RTL8111G (10/100/1000 Mbps) | | Rear I/O | PS/2 Keyboard/Mouse, VGA, HDMI, 4x USB2.0, 2x USB3.0, LAN, 3x Audio jacks | | Power Connectors | 24-pin ATX, 4-pin CPU (12V) | Because this is primarily an OEM board, finding
| Category | Details | | :--- | :--- | | | Acer H81H3-AM V1.0 | | CPU Socket | LGA 1150 | | Chipset | Intel H81 Express Chipset | | CPU Support | Supports Intel 4th Gen Core (Haswell) i3/i5/i7, Pentium, and Celeron series processors | | Memory | 2 x 240-pin DDR3 DIMM slots; Supports dual-channel DDR3 up to 1600MHz; Maximum capacity of 16GB (non-ECC, unbuffered) | | Expansion Slots | 1 x PCI Express x16 (Gen 2.0); 2 x PCI Express x1 (Gen 2.0); 2 x PCI Slots (rev 2.2) | | Storage | 2 x SATA III (6Gb/s) connectors; 2 x SATA II (3Gb/s) connectors | | Audio | Realtek ALC662 6-channel High Definition Audio Codec | | LAN | Realtek 8111G Gigabit Ethernet Controller | | Rear I/O Ports | 1 x PS/2 Keyboard/Mouse combo port; 1 x D-Sub (VGA); 1 x DVI-D; 2 x USB 3.1 Gen1; 4 x USB 2.0; 1 x RJ-45 LAN; 1 x COM port; 3 x Audio jacks (Line Out, Line In, Mic In) | | Internal Headers | 24-pin ATX Power; 4-pin 12V CPU Power; 4-pin CPU_FAN; 4-pin SYS_FAN; Front Panel Audio; Front USB 2.0 (2 headers); COM header; LPT header; Speaker header; CLR_CMOS header | | Form Factor | Proprietary / microATX (approx. 24.4 cm x 23.0 cm) | | Key Feature | Proprietary Format. This board has a non-standard shape and mounting hole layout, designed specifically for Acer Veriton M2631 cases. It is not compatible with standard ATX or microATX cases without significant modification. | ” “Realtek RTL8111G driver
If the system fails to boot after a hardware change or a bad BIOS tweak, you must reset the CMOS memory. Turn off the computer and unplug the power cord.
Search for “Intel H81 chipset driver,” “Realtek RTL8111G driver,” and “Realtek ALC662 audio driver.” Snappy Driver Installer (SDI) is a helpful offline tool for OEM boards.
Architecture: Dual-channel, non-ECC, unbuffered DDR3 1600/1333/1066 MHz. Expansion Slots 1 x PCI Express x16 Gen 2.0 (for dedicated graphics). 1 x PCI Express x1 Gen 2.0. 2 x legacy PCI slots. 2 x SATA III (6Gb/s) connectors. 2 x SATA II (3Gb/s) connectors. Acer Community I/O and Internal Connectivity Acer H81H3- AM v1.0 supported processor list