MODEL- JJ-P04212 VENDOR- SIIG INC FEATURES- PCI Expander 4S Two UART 16550 serial I/O card upgradable to 4 serial ports. Upgradable to 4 serial ports through PCI Expander 4S Upgrade Kit. Improves I/O access speed up to 8 times faster than ISA serial ports PCI IRQ sharing elimates IRQ conflicts Ideal for high-speed serial port devices including 56K V.90 external modems. Full support for DOS- and Windows-based software Support baud rates up to 920Kbps Fast I/O access speed reduces CPU load and improves system performance dramatically. INTERFACE - 32-bit PCI v2.1 CONNECTORs - (2) 9-pin serial RS-232 ports High speed 16650 UART with 16-byte transmit/receive FIFO buffers.O/S SUPPORT- DOS Windows 3.1x Windows 95/98/NT. REQUIRES - Pentium-class computer with one available 32-bit PCI slot DOS/Windows 3.1 or later. APPROVALS - FCC B support@siig.com MANUFACTURER WARRANTY: 5 YEARS