The new PCI card switch USB2.0, stabilityThis card is the most suitable for solving the following several conditions:1 bad motherboard USB interface2 main board USB interface is not enough3 main board USB interface voltage instability4 motherboard was originally a USB1.1 interface (you want to upgrade to USB2.0 interface)A lot of Amoy friends to ask: this card with built-in USB port is used to do what? Answer: in order to facilitate the connection to a USB device is fixed in the case of internal (such as: USB encryption dog), very humane design!PCI to USB adapter USB2.0 interface, the performance of NEC chip super good.Can be used to connect the USB mobile hard disk, USB, mouse, keyboard, digital camera, scanner, printer and other USB devices.1, the card using the well-known manufacturers of NEC chip2, with 5 USB2.0 interface (one built), high transfer rate up to 480Mbps/ seconds.3, backward compatible with USB1.0, USB1.1, the speed of your mobile device running swiftly.4, support hot swappable, when adding a new device, it can dynamically, without the need for user settings.5, fine workmanship6, has good compatibility, avoid driving (with no disk drive (XP) above version free drive, the WIN98 system can be to Baidu find, download and install itself)Uses the NEC control chip, compatibility and speed is very good! PCI to USB adapter with /USB2.0 interfaceCommodity specification:1 meets USB2.0 specifications for design, providing the latest USB2.0 ultra high speed transmission interface for host2 using NEC chip, more stable, compatible with a variety of motherboard chip3 backward compatible with USB1.x, USB1.x or high speed USB2.0 device is connected at the same time4 support hot swappable, when adding a new device, it can dynamically, without the user settings.The 5 interface transmission rate: 1.5Mbps (USB1.0), 12Mbps (USB1.1), 480Mbps (USB2.0)The 6 provides 5 USB2.0 interface; 4 external and 1 internal,7 Windows98/ME/2000/2003/XP/VISTA/MAC OS 8.6 or above operating system8 in line with the 32 bit 33MHz PCI bus specificationThe 9 supports the PCI bus power management interfaceFunction:Can be used to connect the USB mobile hard disk, USB mouse, scanner, keyboard, digital camera and USB device