| Hardware Specifications |  | 
| Ports | 2x RS232 (RxD, TxD, RTS, CTS, DTR, DSR, DCD, RI) | 
| UART | 2x 16C950 (128 Byte FIFO) | 
| Address | Plug and Play | 
| Interrupts | PCI Plug and Play, only one interrupt/card | 
| Speed | max. 921 kbps | 
| Bus interface | Universal PCI. 3.3V / 5.0V | 
| Connectors | 2x DB9 male | 
| Temperature | 0°C - 55°C | 
| High Performance Features |  | 
| FIFO | adjustable FIFO length, 1 up to 128Bytesseparat adjustable Rx and Tx | 
| Handshake | RTS / CTSDTR / DSRXon / Xoffall handshake automatic on Chip | 
| Speed | 1bps up to 921kbpsunusual BaudratesMultiplication factor for legacy applications | 
| Access | high speed access via Memory | 
| UART | UART emulation of 8250 up to 16850 | 
| Operating Systems |  | 
| Windows 2000 up to 7 | VScom high performance serial driver, x86 and x64 Editions | 
| Server 2000 to 2008 R2 | VScom high performance serial driver, x86 and x64 Editions | 
| Windows NT 4.0 | VScom high performance serial drivercontrol panel applet | 
| Windows 95, 98, SE, ME | VScom high performance serial driver | 
| DOS | virtuell address driver and compatibility toolsreal DOS Com port emulation | 
| OS/2 | Supported by COM16 driver in recent system releasesThird party serial driver SIO.SYS available | 
| Linux | Kernel 2.6 and up: built-in supportPrevious kernel: VScom high performance real tty driver | 
| div.UNIX | configuration instructions |