BYTECC 32Bits 2 Port Serial PCI Card Model BT- P2S Type: PCI to Serial Port Card External Ports: 2 x Serial Ports Data Transfer Rate: 1 Mbytes/sec Operating Systems Supported: Windows 98SE/2000/ME/XP Windows NT4.0 Linux DOS OS Specifications: Built in 16C550 compatible UART with 16 byte transmit-receive FIFO Able to support 16C650 (32 byte FIFO), 16C750 (64 byte FIFO), 16C850 (128 byte FIFO) com Package Contents: 2 Port Serial PCI Card Driver Disk Parts: 1 year limited Labor: 1 year limited