Clear the CMOS memory. Locate the 3-pin CLR_CMOS jumper, move the plastic cap from pins 1-2 to pins 2-3 for 10 seconds, then return it to pins 1-2.
If upgrading to a 4th Gen Haswell Refresh CPU (e.g., i5-4590), you might need a BIOS update. Use the eBLU utility on the ECS site if possible.
USB: 2 x USB 3.0 (SuperSpeed) and 4 x USB 2.0 on the rear panel. Audio: 6-channel HD Audio (Realtek ALC662). Networking: Realtek 8111G Gigabit Ethernet. You can find documentation through these platforms: acer+h81h3am+v10+manual+free
The Acer H81H3-AM V1.0 is a micro-ATX motherboard. Acer used this board primarily in its commercial desktop lines, including the Veriton and Aspire series. It features the Intel H81 Express chipset and supports 4th-generation Intel Core processors. Finding an official manual online can be difficult because Acer built this as an OEM product.
Because this motherboard is an OEM (Original Equipment Manufacturer) board produced by ECS Elitegroup for Acer systems, finding the standalone manual on consumer websites can be challenging. However, you can retrieve all technical documents and matching components safely for free using these methods: 1. Sourcing from the Official OEM Portals Clear the CMOS memory
supports PCIe graphics cards, but ensures your power supply (PSU) is strong enough for the card. Conclusion Acer H81H3-AM v1.0
Positioned near the CPU socket to deliver isolated, stable power directly to the processor VRMs. Front Panel Header Pinout (F_PANEL) Use the eBLU utility on the ECS site if possible
Use these for Intel H81 motherboards (pinouts are mostly standardized):
There is no single standalone PDF file on Acer’s website labeled strictly "H81H3-AM V10 Manual." Acer distributes documentation via the desktop model number , not the motherboard model.
Since the board is manufactured by ECS, the series manuals (like the H81H3-M4 shown here) are often almost identical to the Acer proprietary version. You can find these by searching "ECS H81H3-M manual pdf." 3. Third-Party Manual Databases