16c95x Serial Port Driver ~upd~ May 2026

In each case, the driver bridges the gap between legacy software (expecting a 16550) and modern hardware capabilities.

A common pitfall: After initial Tx, you must enable THRE interrupt only when there is data to send. Many drivers enable it unconditionally, causing an immediate interrupt storm. 16c95x serial port driver

Right-click 'Start' > Device Manager . Find the "PCI Serial Port," right-click it, and select Update Driver . In each case, the driver bridges the gap