This paper is derived from reverse engineering, boardview analysis (courtesy of VinaFix), and practical modding by the community. Always discharge capacitors before probing.
While options vary slightly between Acer models, here are common settings you might find in the BIOS:
:
: Two 240-pin DDR3 DIMM slots supporting up to 16GB of Dual-channel DDR3 1600/1333 MHz RAM. Expansion Slots 1 x PCI Express x16 Gen 2.0 slot. 2 x PCI Express x1 slots. 2 x SATA 6Gb/s (SATA III) ports. 2 x SATA 3Gb/s (SATA II) ports. Rear I/O Panel Ports
The service guide contains the motherboard layout, jumper settings, and removal/replacement procedures. Alternatively, community archives like or ManualsPlus may have scanned copies of the original Acer H81H3-AM manual. Acer H81h3-am V1.0 Manual
LGA 1150 (Supports Intel 4th Gen Haswell Core i3, i5, i7, Pentium, and Celeron). Chipset: Intel H81 Express.
: 1 x 24-pin ATX main power and 1 x 4-pin ATX 12V CPU power. : 1 x 4-pin CPU_FAN and 1 x 3-pin or 4-pin SYS_FAN. Front Panel
The is a workhorse motherboard commonly found in Acer Veriton and Aspire desktop series. While it’s a reliable piece of hardware for 4th Gen Intel builds, finding a clear manual can be tricky since it's an OEM (Original Equipment Manufacturer) board.
The Acer H81H3-AM V1.0 motherboard comes with a 3-year limited warranty and dedicated customer support. This paper is derived from reverse engineering, boardview
Align the notch on the bottom of the RAM stick with the break in the slot.
This is often the most requested info for this board. The header usually has a layout (sometimes 10-pin with missing pins) : HDD LED: Pins 1 (+) & 2 (-) Power LED: Pins 2 (+) & 4 (-) Reset Switch: Pins 5 & 7 Power Button: Pins 6 & 8 LAN LED: Pins 12 & 14 🚀 Supported CPUs (4th Gen Intel "Haswell")
Enable or disable onboard LAN, audio, or USB 3.0.
: i7-4790, i5-4570, i5-4440, i3-4130, Pentium G3220, and Celeron G1820. : Features 2 DIMM slots supporting up to of DDR3 SDRAM. Expansion Slots 1 x PCI Express x16 Gen 2
2x DDR3 DIMM slots, supports up to 16GB (Dual-channel, 1600/1333 MHz) Form Factor: Micro-ATX (approx. 244mm x 200mm) Expansion: 1x PCI Express x16 Gen 2.0 2x PCI Express x1 Gen 2.0 1x Legacy PCI slot Storage: 2x SATA III (6Gb/s) and 2x SATA II (3Gb/s) 🔌 Front Panel Header Pinout
Supplies main power to the motherboard.
The Acer H81H3-AM V1.0 uses a or an Acer-modified AMI UEFI BIOS . Access it by pressing F2 or Del during boot.
This paper is derived from reverse engineering, boardview analysis (courtesy of VinaFix), and practical modding by the community. Always discharge capacitors before probing.
While options vary slightly between Acer models, here are common settings you might find in the BIOS:
:
: Two 240-pin DDR3 DIMM slots supporting up to 16GB of Dual-channel DDR3 1600/1333 MHz RAM. Expansion Slots 1 x PCI Express x16 Gen 2.0 slot. 2 x PCI Express x1 slots. 2 x SATA 6Gb/s (SATA III) ports. 2 x SATA 3Gb/s (SATA II) ports. Rear I/O Panel Ports
The service guide contains the motherboard layout, jumper settings, and removal/replacement procedures. Alternatively, community archives like or ManualsPlus may have scanned copies of the original Acer H81H3-AM manual.
LGA 1150 (Supports Intel 4th Gen Haswell Core i3, i5, i7, Pentium, and Celeron). Chipset: Intel H81 Express.
: 1 x 24-pin ATX main power and 1 x 4-pin ATX 12V CPU power. : 1 x 4-pin CPU_FAN and 1 x 3-pin or 4-pin SYS_FAN. Front Panel
The is a workhorse motherboard commonly found in Acer Veriton and Aspire desktop series. While it’s a reliable piece of hardware for 4th Gen Intel builds, finding a clear manual can be tricky since it's an OEM (Original Equipment Manufacturer) board.
The Acer H81H3-AM V1.0 motherboard comes with a 3-year limited warranty and dedicated customer support.
Align the notch on the bottom of the RAM stick with the break in the slot.
This is often the most requested info for this board. The header usually has a layout (sometimes 10-pin with missing pins) : HDD LED: Pins 1 (+) & 2 (-) Power LED: Pins 2 (+) & 4 (-) Reset Switch: Pins 5 & 7 Power Button: Pins 6 & 8 LAN LED: Pins 12 & 14 🚀 Supported CPUs (4th Gen Intel "Haswell")
Enable or disable onboard LAN, audio, or USB 3.0.
: i7-4790, i5-4570, i5-4440, i3-4130, Pentium G3220, and Celeron G1820. : Features 2 DIMM slots supporting up to of DDR3 SDRAM.
2x DDR3 DIMM slots, supports up to 16GB (Dual-channel, 1600/1333 MHz) Form Factor: Micro-ATX (approx. 244mm x 200mm) Expansion: 1x PCI Express x16 Gen 2.0 2x PCI Express x1 Gen 2.0 1x Legacy PCI slot Storage: 2x SATA III (6Gb/s) and 2x SATA II (3Gb/s) 🔌 Front Panel Header Pinout
Supplies main power to the motherboard.
The Acer H81H3-AM V1.0 uses a or an Acer-modified AMI UEFI BIOS . Access it by pressing F2 or Del during boot.