: Acer AAHD3-VC is an OEM board; exact header pinouts may vary slightly by prebuilt model. If unsure, refer to the silkscreen labels on the board itself.
: LED cables (Power and HDD) must be connected to the correct positive/negative pins to light up. If the LED doesn't work, flip the connector. The Power and Reset switches will work regardless of orientation. 3. Installation Steps Explaining PC Front Panel Connectors acer aahd3vc motherboard manual install
This is a proprietary board. While it often fits Micro-ATX mounting holes, some versions may have non-standard layouts or unique power connectors (like 12V-only systems), though the AAHD3-VC typically uses standard ATX power. CPU Limitation: : Acer AAHD3-VC is an OEM board; exact
Install the power supply: