To ensure compatibility and performance, follow these RAM upgrade requirements from MemoryStock : 4GB total (2x 2GB modules).
A Reddit user downloaded a “MCP73TAD” manual from a generic PDF site. The diagram showed a 3-pin USB header. Their motherboard had 4-pin USB headers. They reversed the ground and power lines, frying two USB ports. acer mcp73tad motherboard manual verified
For users attempting repairs or rebuilding the board into a new case, these pinouts are critical. These are verified based on Acer service schematics. Model: Acer MCP73TAD Socket: AM3 Chipset: NVIDIA MCP73TAD
This board uses older DDR2 technology.