To ensure system stability, always prioritize official manufacturer sources over third-party driver "update" sites.

Before downloading a driver, it is helpful to identify exactly what hardware you have. The marking is most frequently associated with the following configurations:

While sites like Driver Scape host these drivers, use them only if official manufacturer links are unavailable. Supported Operating Systems

Get the .zip or .exe file from one of the official sources listed above.

PCI Express x1 (compatible with x4, x8, and x16 slots).

Typically provides 2 x Serial RS-232 DB9 ports or a combination of serial and parallel ports.

Most modern drivers for this hardware support a wide range of Windows environments: (32 and 64-bit) Windows 8.1 / 8 Windows 7 Windows Server (2012, 2016, 2019, 2022) Installation Steps

If your card is a Delock 89220 or similar, search for your specific model number on the Delock Support Page.

Power down your PC and install the card into an available PCIe slot.

Often uses the Oxford OXPCIe952 or WCH CH382 controllers.