Operating Systems Supported: PCI-Express x4, x8 or x16 slots
Microsoft Windows XP,7,8,8.1, Server 2012, 2008 R2, 2003, and Linux Kernel 2.6.31 or later
USB 3.0 devices preferred to get maximum speed
Specifications: Device Support: USB 3.0 Type A (backward compatible with USB 2.0 and 1.1)
Ports: 4, USB 3.0 Type A ports
Bus Technology: PCI-Express x4
Power Connector: 1 - LP4 (4 pin Molex) or SATA power connector
Package Contents: 2S1P PCI Serial Parallel Combo Card with 16C550 UART
1 x Full-Profile Bracket
2 x Low-Profile Brackets (for Serial Ports)
1 x Low-Profile Bracket (for Parallel Port)
1 x Quick-Start Guide
External Ports: 1 x DB 25-pin Parallel Female
2 x DB 9-pin Serial Male
Operating Systems Supported: DOS, Windows 95/ 98SE/ 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Linux, and Mac OS 10.4.x and up
Windows XP Embedded/ POS Ready 2009/ Embedded System 2009 OS/ CE 5.0/ CE 6.0