Su2 Serial Port Driver

Always keep a backup of your stable driver version, as Windows Updates can sometimes overwrite specialized industrial drivers with generic versions.

: The manufacturer provides WHQL-certified drivers for the PI7C9X795x series.

Uninstall the device, check "Delete the driver software for this device," and perform a fresh install with the latest version. "COM Port Already in Use"

Hardware (RTS/CTS) is recommended for high-speed transfers to prevent data overflow.

Packet radio terminal node controllers (TNCs) rely on precise timing. The SU2 driver’s low-latency mode reduces CPU overhead, allowing 1200 baud AFSK decoding.

: Most serial adapters use CH340 , Prolific (PL2303) , or FTDI chips. You can identify your device by plugging it in and checking Device Manager under "Ports (COM & LPT)" .

Modern Windows environments often download the driver automatically via Windows Update. However, for offline setups or specific industrial revisions, a manual installation is highly recommended.

Are you encountering a (like data corruption or a missing port) right now?

macOS dropped native support for many serial chipsets after Catalina. Use a third-party driver like osx-su2.kext :

sudo modprobe ch341 # For CH340-based SU2 sudo modprobe cp210x # For CP2102-based SU2 dmesg | grep tty # Verify assignment

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