SATA Connector Circuit Diagram and its Problem in Desktop Motherboard

SATA Connector Circuit Diagram and its Problem in Desktop Motherboard

Note:Before repairing you check HDD/DVD Enable and disable in The BIOS Setup.

Problem: Hard Disk/DVD Writer is not detection. 
Solution: Check NPC Capacitor, Track , and SATA Connector. If All ok , it means ICH Problem.