Searching for a "free" Acer B85H3-AM motherboard typically leads to community-driven giveaway posts or parts-salvage groups, as these are older components primarily found in Acer Veriton M4630G desktops

Memory Support:

4x DDR3 DIMM slots, supporting up to 32GB of non-ECC, unbuffered memory at speeds of 1333/1600 MHz. Expansion Slots: 1x PCI Express x16 Gen 3.0 (for graphics). 1x PCI Express x16 Gen 2.0 (running at x4 bandwidth). 1x PCI Express x1 Gen 2.0. 1x Legacy PCI slot. CPU Compatibility

1. Executive Summary

Processor Socket:

LGA 1150, supporting Intel 4th Gen Core i3/i5/i7, Pentium, and Celeron processors (Haswell architecture).

single proprietary block connector

Retail motherboards use standard jumper pins for the Power Switch, Reset Switch, and LEDs. The B85H3-AM typically uses a .

Clear CMOS:

If you need to reset BIOS settings, short the CLR_CMOS jumper pins while the power is off. 4. BIOS Update Procedure