Applies to
Dynex USB 1.1 to RS-232 Serial / DB9P Male Serial Connector

Windows XP, Windows 2000, Windows ME, Windows 98SE



524 KB

Driver Date & Version
5/10/2004 (ver. 2.0)


This Dynex DX UBDB9 card is a USB1.1 serial adapter that operates as a bridge between one USB port and standard RS232 Serial port.

You should be able to find the original driver together with the USB 1.1 serila adapter and a Quick Installation Guide. However if you need the manual and could not find it, there is a soft copy of the user manual inside the zipped driver file, named Manual.pdf

You will find the driver installation steps for Windows 98, Windows 2000, Windows ME and Windows XP, together with driver installation verification information by reading the user manual.

Download Dynex DX UBDB9 Driver here.

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