The Broadxent DSI V90 PCI DI3635 is a PCI-based modem used for dial-up internet connections, typically in desktop PCs. The Windows driver for this modem enables the operating system to communicate with the device, allowing the computer to establish a dial-up connection to the internet through a telephone line.

The driver package generally includes the necessary files for the modem to function properly and might also contain additional utilities to manage the modem settings or troubleshoot any issues.