Correction, Advansys controllers databook (they calls it databooks, not datasheets) are online, too: http://www.connectcom.net/downloads/manuals.html For UW[2] controller: http://www.connectcom.net/pdf/ASC38C800.pdf For Ultra-3 (160) controller: http://www.connectcom.net/pdf/160_00_30_5.pdf Great & open hardware manufacturer, indeed! BeOS deserve to support their hardware, as they deserve to have BeOS support ;-) Philippe..