DDR3-1600 or DDR3-1866. If you buy faster RAM, it will downclock to 1600/1866. 4. Front Panel Header Diagram (F_PANEL)
⚠️ If you install an Athlon II X4 processor, the onboard VGA and HDMI video outputs will be disabled. You must install a dedicated PCIe graphics card to get a display out. 3. Front Panel Header (F_PANEL) Pinout
The Acer AAHD3VC motherboard is a proprietary micro-ATX (mATX) board frequently utilized in Acer’s commercial and consumer desktop lineups, such as the Acer Aspire and Veriton series. Because it is an Original Equipment Manufacturer (OEM) component, finding an official, standalone retail manual from Acer can be notoriously difficult.
The motherboard is a bit of a "ghost" in the tech world. Because it is a proprietary model—meaning it was built specifically for pre-assembled Acer desktops like the Aspire ATC-105-UR11 —Acer does not release a standalone public manual for it.
: Located near the CPU socket. Supports PWM speed control for the processor cooler.
The motherboard features 2 slots. Installing 16GB of RAM (2 × 8GB DDR3 1600MHz DIMMs) is recommended for Windows 10/11 usability. 3. Front Panel Header Layout (Exclusive Schematic)
One of the most frequent questions is connecting the front panel (power button, reset button, HDD LED, power LED) from a new computer case to the AAHD3-VC, as the pin layout is not clearly printed on the board. While a manual might not exist, the standard pinout is known:
The Acer is an OEM motherboard commonly found in the Acer Aspire TC-105 desktop series. While a single "exclusive" manual for just the board is rare, technical details are found in the system's Service Guide and official Acer Community discussions. Core Specifications Socket Type : AMD Socket FM2. Memory Support : DDR3 SDRAM, typically 240-pin.
The most difficult part of moving an OEM motherboard into a new case is connecting the front power button, reset button, and LEDs. OEM boards rarely print the layout directly on the PCB.
This board uses a standard 24-pin ATX connector and 4-pin CPU power.
Search for specific desktop drivers by entering your Serial Number or SNID at Acer Support front panel header pinout (power button/LED connections) or specific BIOS settings for this board? Acer Aahd3-vc Motherboard Manual - Google Groups
View community discussions regarding BIOS and hardware compatibility on the Acer Community Forum
Here is an compiling the critical technical data usually found in service guides for this specific board.
Whether you are using
Note: The corner with the white square indicates Pin 1. Pin 10 is usually missing as a "key" to prevent incorrect plug orientation. Super User How to Access Official Support
Supports up to 16 GB of DDR3 memory across two or four DIMM slots. Expansion Slots: One PCI Express x16 slot (best for graphics cards). One PCI Express x1 slot. One standard PCI slot.