| 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 |
Introduction
Whether you are troubleshooting a no-POST issue, upgrading to a Xeon CPU, or simply trying to connect the power button, refer back to this article. Bookmark it, because Acer is unlikely to release any new documentation for this legacy board.
Acer does not always make standalone motherboard manuals easily available to the public, as these boards are often bundled with complete system guides. This article serves as a comprehensive replacement manual. We will cover every aspect of the Acer H81H3-AM V1.0, including pinouts, BIOS configuration, supported CPUs, RAM compatibility, and common repairs. The Acer H81H3-AM V1.0 is a micro-ATX (uATX) motherboard manufactured by Acer in partnership with Intel. It is based on the Intel H81 Express Chipset, designed for Intel’s 4th generation Haswell and updated Haswell Refresh processors (LGA 1150 socket).
This board is typically found in pre-built Acer desktops from 2013 to 2015. While it is a reliable workhorse for office tasks and light multimedia, it has limitations typical of OEM boards—proprietary power connectors, limited overclocking, and a locked BIOS.
A: Search eBay or AliExpress for "Acer H81H3-AM I/O shield". It has a unique cutout for the HDMI and PS/2 ports. 9. Conclusion: The Acer H81H3-AM V1.0 Manual Substitute While tracking down the original Acer H81H3-am V1.0 manual is frustrating, this guide covers 95% of what you will ever need. This motherboard is not flashy, but it is durable, widely available, and perfect for repurposing an old Acer desktop.