The Rocket133SB Host Adapter is a single channel IDE controller card designed for use with ATA133 hard disk drives. This controller is similar to the Rocket133S model, but has its own EPROM (BIOS chip).The Rocket133SB supports high speed transfer rates up to 133MB/s. Its ATA single channel support up to 2 hard disk drives. The Rocket 133SB Host Adapter breaks the current interface standards hard disk drive capacity limitations, and supports hard drives larger than 137GB. The Rocket133SB Host Adapter is compatible with most major operating systems, including DOS 5.x, Windows 3.1x, Windows 95/98, Windows ME (Millennium Edition), Windows NT 3,51/4.0, Windows 2000, Windows XP, and Linux (SuSE, Red Hat, Caldera, Turbo).