The motherboard is defined by its balance of essential modern features and legacy support: Processor Support : Compatible with Intel 4th Gen (Haswell)
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
The board supports a wide range of 4th Gen Intel Core processors. While officially optimized for i3, i5, and Pentium series, user benchmarks and forum reports indicate broader compatibility: Go to product viewer dialog for this item. Acer H81h3-am V1.0 Manual
Accessing the BIOS allows for the configuration of boot orders and basic hardware settings. How to Enter BIOS
Locate the header labeled (usually found on the bottom-right corner of the board). It features a standard 9-pin layout: The motherboard is defined by its balance of
2 x SATA III (6Gb/s) ports and 2 x SATA II (3Gb/s) ports. Processor Compatibility
Have a specific question about the Acer H81H3-AM V1.0 that this guide didn't answer? Leave a comment on your favorite tech forum or consult the Acer Community Support—other owners of the TC-603 and XC-603 series are your best resource. 2 x legacy PCI slots
The service guide contains the motherboard layout, jumper settings, and removal/replacement procedures. Alternatively, community archives like or ManualsPlus may have scanned copies of the original Acer H81H3-AM manual.
The board relies on Intel's 4th Generation architecture to deliver dependable desktop computing. Specification Details Intel H81 Express (Lynx Point) CPU Socket LGA 1150 (Socket H3) Form Factor Micro-ATX (mATX) / DTX Hybrid Memory Slots 2 x 240-pin DDR3 DIMM slots Max RAM Up to 16GB DDR3 Non-ECC, Unbuffered Memory Speed Dual-channel DDR3 1600 / 1333 / 1066 MHz Expansion Slots 1 x PCIe x16 Gen 2.0, 1 or 2 x PCIe x1 slots Storage Ports 2 x SATA III (6 Gb/s), 2 x SATA II (3 Gb/s) Audio Realtek ALC662 or VIA VT1705 6-Channel HD Audio Networking Realtek RTL8111G Gigabit Ethernet controller Power Inputs 1 x 24-pin ATX, 1 x 4-pin 12V ATX Supported Processors (CPU Support List)
The H81H3-AM is a versatile platform for budget-conscious upgrades, though users have found some flexibility beyond standard documentation.
The physical layout of the board provides balanced connectivity for standard office and light gaming configurations. Rear I/O Ports 2 x USB 3.0 ports (Blue) 2 x USB 2.0 ports (Black) 1 x HDMI port 1 x VGA (D-Sub) port 1 x RJ-45 Gigabit Ethernet port 3 x Audio Jacks (Line-In, Line-Out, Microphone) 2 x PS/2 ports (Mouse and Keyboard) Internal Headers 1 x 24-pin ATX Main Power connector 1 x 4-pin ATX 12V CPU Power connector 1 x 4-pin CPU Fan header 1 x 3-pin/4-pin System Fan header 1 x Front Panel Audio header (AAFP) 2 x USB 2.0 headers (supporting 4 additional USB 2.0 ports) 1 x Clear CMOS jumper (CLR_CMOS) 3. Front Panel Header Pinout (F_PANEL)