The Conexant SmartHSFi V9x 56K DF PCI Modem is a dial-up modem that provides a connection to the internet via a phone line. The "V9x" part indicates that it supports speeds up to 56 Kbps (kilobits per second), and "DF" typically means "Data/Fax", meaning it can also handle fax transmissions. It uses the PCI interface to connect to the computer's motherboard.

To make this modem work on a Windows computer, you need to install the correct driver for it. The driver allows the operating system to communicate with the hardware and ensures that the modem functions correctly.