A mix of USB 3.0 (blue) for high-speed data and USB 2.0 for peripherals like keyboards.
Micro-ATX (roughly 244 x 200mm), but with proprietary power and front panel headers common in OEM systems. Specifications & Features
Acer H81H3-AM V1.0 " is a proprietary motherboard manufactured by for Acer, designed primarily for 4th Generation Intel Haswell processors . It was commonly found in Acer Veriton desktop models like the Veriton X2631G. Acer H81h3-am V1.0 Manual
The is an OEM motherboard (often found in Acer Veriton or Predator systems) manufactured by ECS (Elitegroup) . While Acer doesn't provide a standalone manual for the board itself, you can find the necessary technical details below. 📋 Technical Specifications Chipset: Intel H81 Express Socket: LGA 1150
This paper is derived from reverse engineering, boardview analysis (courtesy of VinaFix), and practical modding by the community. Always discharge capacitors before probing. A mix of USB 3
The rear I/O panel provides the standard essentials for a home or office setup: Typically features VGA and/or DVI-D.
| Symptom | Root Cause | Fix | | :--- | :--- | :--- | | No power, 5VSB present | Blown EC fuse (F1, 3A 32V) near J12 | Bridge with 3A polyfuse | | Continuous reboot loop | Failed 3.3V linear regulator (U34) | Replace APL5912 or wire 3.3V from PSU's purple wire (5VSB → 3.3V LDO) | | No USB 3.0 | Burned ASM1042 (PCIe to USB 3.0 controller) | Reball or replace; optional: disable via BIOS and use add-in card | | PCIe x16 only works at x1 speed | Dirty contacts or cracked BGA on H81 PCH | Reflow with 220°C; check capacitors near PCIe slot pins A13/A14 | It was commonly found in Acer Veriton desktop
Connects to the hard drive activity LED cable. Pin 1 is Positive (+), Pin 3 is Negative (-).
This section replicates the "Specifications" table you would find in the official manual.
Note: Some Acer boards omit the reset switch. If only 8 pins exist, reset is not supported.
: 6-channel High Definition audio via the Realtek ALC662 codec. 📖 Essential Maintenance & Manual Tips According to documentation and community guides: BIOS Access : To enter the BIOS utility , press the designated function key (usually ) immediately after powering on. Clearing CMOS