Acer H81h3-am V1.0 Manual ^hot^ -

Connect the Power LED cable. Pin 2 is Positive (+), Pin 4 is Negative (-).

Are you trying to the motherboard into a new computer case?

Acer often uses proprietary front panel connectors and power supply pinouts. Standard aftermarket PSUs may require an adapter.

The front panel header is the most confusing part of this board. Acer uses a proprietary 14-pin block (though only 9-10 pins are active). Acer H81h3-am V1.0 Manual

If you hear rhythmic beeping, it usually indicates a memory or CMOS battery issue.

Connects to the hard drive activity LED cable. Pin 1 is Positive (+), Pin 3 is Negative (-).

4th Gen Intel Core i7 / i5 / i3 / Pentium / Celeron (Haswell) Intel H81 Express Memory Slots 2 x 240-pin DDR3 DIMM slots Memory Capacity Up to 16 GB maximum (2 x 8GB modules) Memory Type DDR3 / DDR3L 1600/1333 MHz Non-ECC, Unbuffered Expansion Slots Connect the Power LED cable

The board officially supports:

: 1 x 9-pin Front Panel Audio (F_AUDIO) header for standard headphone/microphone case jacks. Front Panel Header Pinout Diagram (F_PANEL) Front Panel Connectors Explained

Standard cases may need pin modification. If your power button does not work, you may need to swap the power switch pins (positions 5 and 6 sometimes reversed). Acer often uses proprietary front panel connectors and

Do NOT connect ATX pins 1,2,4,6,19,20 (3.3V, -12V, +5V). The Acer board has no need for them.

is engineered as a highly functional, compact Micro-ATX (sometimes classified under standard DTX dimensions) board. It balances cost-efficiency with the reliability needed for corporate and home office tasks. Specification Details Intel LGA1150 (Socket H3) Supported CPUs

Alternatively, search online for: "Acer [your PC model] service guide"

The is an OEM motherboard manufactured by ECS (Elitegroup Computer Systems) for Acer desktop systems, including popular prebuilt machines like the Acer Veriton N4630 and Shangqi series. Built on the Intel H81 Express chipset, this board uses the LGA1150 socket to support 4th-generation Intel Core, Pentium, and Celeron processors.

| Jumper/Header | Pins | Function | |---------------|------|----------| | | 2-pin | Short while unplugged → resets BIOS | | Front Panel (F_PANEL) | 9-pin | Power SW, Reset SW, HDD LED, Power LED | | Front Audio (F_AUDIO) | 9-pin | HD Audio / AC’97 (default: HD) | | USB 2.0 Header | 9-pin | 2 × front USB ports | | Serial Port (COM) | 9-pin | RS232 – optional | | SPEAKER | 4-pin | Internal speaker/buzzer |