30 3ware Serial ATA RAID Controller User Guide4Driver InstallationThis chapter provides details about how to install the driver for your 3wareRAID controller and make the units available to your operating system.This section is for PCs only, for Mac OS X, see 3ware Serial ATA RAIDController User Guide for Mac OS X.• If the unit you have created will be your system's boot device, you installthe driver for the controller as you install the operating system.• If the operating system is already installed on a unit connected to anothercontroller or to the motherboard, you start the operating system and theninstall the driver.Details for both situations are described in this chapter. Driver information isorganized by operating system:• “Driver Installation Under Windows” on page 31• “Driver Installation Under Linux” on page 39• “Driver Installation Under FreeBSD” on page 50Note: If you are working with a system that already has a 3ware RAID controllerinstalled, and want to update the driver or firmware for your 3ware RAID controllerto a newer version, see the information in “Updating the Driver and Firmware” onpage 181.