This product is an extension adapter that adds a PCI bus expansion slot from a PCI Express slot on a personal computer by connecting to an extended chassis ECH (PCI) BE series.This product works on Windows XP, Server 2003, 2000. [Features] ● A PCI bus (5V/ 32bit 33MHz) can be added from one PCI Express slot on the PC. ● You can select an expansion chassis according to the number of slots and board size of the required PCI bus ● The power supply of the expansion chassis can be controlled in conjunction with the power ON/OFF of the PC ● Supports Low Profile PCI Express slot, standard PCI Express slot (replaced with attached bracket)- [Extended module] Bus specification PCI Express Size Low Profile Used connector 1x 0.8mm pitch 68-pin (female) [Bath Bridge] method Bus extension (Type be) Function PCI Express-to-PCI