This 1 Port Serial Express Card Adaptor lets you add an RS232 serial port to your laptop or Express Card-equipped desktop computer The serial Express Card is designed based on a single-chip architecture (as opposed to cards that use a bridge chip) providing native PCI Express communication for greater performance & reliability & reduced power consumption & CPU load Features 128-byte deep transmitreceive FIFOs Advanced FIFO fill management Automated in & out-of-band flow control Express Card 34mm & 54mm (with included adaptor) Form Factor Fully compliant with Express Card 10 Specifications OS Support Windows 2000XP2003 Vista 32bit & 64bit & Linux Single chip design optimizes speed reliability & power Standard RS232 DB9 pin out Supports ASPM (L0S L1) Link power management Supports high performance 16C950 UART with baud rates up to 460 Kbps & backwards compatible with 16C550 UART Barcode 5052217025289 Depth 115 cm Description An included 34mm to 54mm Express Card stabilizer adaptor bracket allows the EC2S952 to fit in both 34mm & 54mm Express Card slots This serial adaptor features 128-byte FIFO communication & a high performance 16C950 UART Providing optimal communication with RS232 serial devices the serial Express Card supports data transfer rates of up to 460 Kbps saving time & hassle Form Factor Express Card Height 20 cm