| Chip Model | Common On | Known Issues | | :--- | :--- | :--- | | | Asus P8P67, Gigabyte Z68X, MSI Z77A | Sleep/wake failures, device disconnects | | µPD720200a | Later revision boards, Dell Precision T3600 | Driver signature errors post-Windows 10 1809 | | µPD720202 | Some Asus X79 and Z87 boards | Bandwidth negotiation failures |
If your USB 3.0 ports are acting up, try these steps before hunting for a new download: | Chip Model | Common On | Known