Boris Samorodov wrote: > dispcal: Error - new_disprd() failed with 'Instrument Access Failed' Hi, BSD is not listed as an operating system ArgyllCMS currently runs on, because the USB driver is incomplete. See spectro/usbio_bsd.c It's not clear that it's even possible to access the full range of instruments on BSD, since the USB support seems to be missing critical functions such as the ability to abort an i/o, or clear and end point. Graeme Gill.