Align the off-center notch on the bottom of the DDR3 stick with the break in the slot.
Apply a pea-sized amount of thermal paste to the center of the CPU integrated heat spreader (IHS).
| Feature | Description | |---------|-------------| | | µATX (24.4 cm × 20.8 cm) | | CPU Support | Intel Core i7/i5/i3, Pentium, Celeron (LGA1150) | | Chipset | Intel H81 Express | | Memory | 2 × DDR3 DIMM slots, max 16GB, 1333/1600 MHz (non-ECC) | | Expansion Slots | 1 × PCIe x16 (v2.0), 1 × PCIe x1, 1 × standard PCI | | Storage | 2 × SATA 3.0 (6 Gb/s), 2 × SATA 2.0 (3 Gb/s) | | USB Ports (rear) | 2 × USB 3.0, 4 × USB 2.0 | | USB Headers (internal) | 2 × USB 2.0 (for front panel) | | Video Outputs | VGA, HDMI (varies by configuration) | | Audio | Realtek ALC662/ALC887 – 5.1 channel HD Audio | | LAN | Realtek RTL8111/8168 Gigabit Ethernet | | Rear I/O | PS/2 (K/B), VGA, HDMI, USB 3.0 (2), USB 2.0 (4), LAN, Audio jacks (3) | | Power Connectors | 24-pin ATX, 4-pin CPU (ATX12V) | Acer H81h3-am V1.0 Manual
The BIOS is a critical part of the system's firmware. For this motherboard, which is an OEM model manufactured by ECS (Elitegroup) for Acer, the BIOS is not intended for frequent updates. In fact, Acer typically does not provide BIOS updates for these commercial client models on their public support website.
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Front panel audio header for headphone and microphone jacks (Azalia/High Definition Audio compliant). 🖥️ Rear I/O Panel Connectivity
For an office machine, the performance is adequate. Align the off-center notch on the bottom of
The back panel offers standard connectivity for peripheral devices and displays.
If the system fails to boot after a hardware change or a bad BIOS tweak, you must reset the CMOS memory. Turn off the computer and unplug the power cord. For this motherboard, which is an OEM model
Intel 4th-Gen Core i7, i5, i3, Pentium, and Celeron processors (Haswell architecture). Socket: LGA 1150.