Wallace Yang wrote: > I'm looking for a single-channel analog to digital > converter that can go into the PCI or ISA slot on the > motherboard. Its sampling rate needs to be maybe in > the MHz range. Why not PCI Express. 915 motherboards are cheap. Google with "PCI Express" "Data acquisition". 69 900 links http://www.engineeringtalk.com/indexes/categorybrowseid.html http://www.electronicsweekly.com/Articles/2005/11/11/36812/PCIExpressbreakstestbottleneck.htm Mike. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist