Because this is an OEM board, not all upgrades work.
Disclaimer: This guide is for informational purposes. Always consult the specific manual for your chassis and power supply, as wire colors and layouts may vary. acer aahd3vc motherboard manual install
(also referred to as the AAHD3-VC motherboard) is a proprietary AMD-based motherboard commonly found in Acer desktop systems like the Aspire ATC-105-UR11 Because this is an OEM board, not all upgrades work
(Here are related search terms you might use next: "Acer AAHD3VC manual download", "AAHD3VC BIOS update", "Acer AAHD3VC I/O pinout") Because this is an OEM board