Hello Barry, Just do a google search, There should be a pin missing, (it's the key pin) ...if you have the data +/- switched, it will detect a USB device, but have an error installing it. Thanx, Scott Beebe Ohm Electronics Inc. 609 W. Clinton St. Ithaca NY 14850 Voice: (607) 273-8406 Fax: (607) 273-8743 WWW.OhmElectronicsInc.com mailto:Scott@xxxxxxxxxxxxxxxxxxxxx Monday, August 2, 2004, 12:23:26 PM, you wrote: Barry> Hi: Anyone know how to figure our the pinouts for the front usb connectors? Barry> I have 2 headers 9 pin each for usb 1 and usb 2. There are four wires for Barry> each header. 5 volts,ground,postive signal,negative signal.Thanks Barry Barry> Barrys TV Barry> barrystv@xxxxxxx Barry> Ottawa Barry> Canada Barry> ----------------------------------------------------------------------------- Barry> Lost Password: Barry> http://www.tech-assist.org and select "Login Problems?". Barry> Email Archives: Barry> //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/