PTI-205N is fully functional USB 2.0 Host Controller card, which supports High-Speed, Full-Speed and Low-Speed operation, and follows the Enhanced Host Controller Interface (EHCI) specification. Features: 稴upports new USB 2.0 devices while being fully backward-compatible with USB 1.1 devices 稥asy plug-n-play connectivity and set-up 稶SB 2.0 data transfer rate up to 480 Mbps 稴upports Windows 98SE, ME, 2000 and XP ? internal horizontal USB Port and 4 external horizontal USB Ports System Requirement: 稩BM朇ompatible PC with 300MHz or faster processor 稭icrosoft Windows 98SE, Windows ME, Windows 2000 or Windows XP 稟vailable PCI slot 稢D-ROM drive SPECIFICATION: 種EC uPD720101 USB 2.0 controller 稢ompliant with USB Specification Rev. 2.0 稤ata Transfer rate can be 1.5/12/480Mbps 稢ompliant with OHCI Specification Rev. 1.0a ?Compliant with EHCI Specification Rev. 0.96 稦ive downstream ports can handle high-speed (480Mbps), full-speed (12Mbps) and low-speed (1.5Mbps) ?2-bit 33MHz host interface compliant to PCI Specification Revision 2.2 稴upport PCI-Bus Power Management Interface Specification Revision 1.1 稴upport up to 127 devices .Support devices hot swap and wake-up ? external vertical ports and 1 horizontal internal port 稴upport Windows 98SE, ME, 2000 and XP