Acer H81h3-am V1.0 Manual Jun 2026

Connect the Power LED cable. Pin 2 is Positive ( ), and Pin 4 is Negative ( −negative 4. Power Supply Installation (PSU Requirements)

| 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) |

Before upgrading components or troubleshooting, review the core hardware limitations and capabilities of the Acer H81H3-AM V1.0: Specification Details Micro-ATX (mATX) Processor Socket Intel LGA 1150 Supported CPUs

If you are looking for specific drivers, it is recommended to search by the Acer Veriton model number on the official Acer support site. If you're interested, I can provide: Acer H81h3-am V1.0 Manual

The LGA 1150 socket on this motherboard supports 4th Generation Intel Core, Pentium, and Celeron processors (Haswell and Haswell Refresh architectures). Supported CPU Series Intel Core i7 (e.g., i7-4770, i7-4790) Intel Core i5 (e.g., i5-4440, i5-4590) Intel Core i3 (e.g., i3-4130, i3-4170) Intel Pentium G series (e.g., G3220, G3420) Intel Celeron G series (e.g., G1820) Critical CPU Constraints

: A single USB 3.0 internal header. Connects the blue high-speed USB ports on your case panel. 7. CMOS Clearing and BIOS Troubleshooting

2 x DDR3 DIMM slots (Supports up to 16GB Dual-Channel DDR3 1600/1333 MHz) Form Factor: Micro-ATX (uATX) Connect the Power LED cable

⚠️ Note: Some Acer OEM boards have a proprietary — do not assume standard ATX.

1 x PCI Express x16 Gen 2.0, 1 x PCI Express x1, 2 x Legacy PCI Slots 2 x SATA III (6.0 Gb/s) ports, 2 x SATA II (3.0 Gb/s) ports Form Factor

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: If you're interested, I can provide: The LGA

features standard positions for its major internal interfaces:

Acer does not always provide a standalone manual for the H81H3-AM V1.0. Instead, you must download the . This guide includes the motherboard layout, jumper settings, and disassembly instructions.

Note: Some Acer boards omit the reset switch. If only 8 pins exist, reset is not supported.

1 x PCI Express x16 (Gen 3.0), 1 x PCI Express x1, 1 x Conventional PCI 2 x SATA III (6.0 Gb/s) ports, 2 x SATA II (3.0 Gb/s) ports Audio Realtek ALC662 6-channel High Definition Audio Networking Realtek RTL8111G Gigabit Ethernet (10/100/1000 Mb/s) 2. I/O Panel and Internal Connectivity

The Ultimate Acer H81H3-AM V1.0 Motherboard Manual & Guide The Acer H81H3-AM V1.0 is a micro-ATX motherboard built on the Intel H81 chipset. Originally manufactured by ECS (Elitegroup Computer Systems) for Acer OEM desktop systems like the Veriton series, this motherboard is now a popular choice for budget PC builders and repair technicians.