In addition to our regular product line, EDT engineers are available to apply their experience in SBus, Micro channel, and ATBus design, and UNIX (R) operating systems and device drivers to solve your specific problem. EDT specializes in custom UNIX software and device drivers, and circuit board design, layout, prototyping and manufacturing. Feel free to call us at (503) 690-1234, (503) 690-1243 FAX, or send e-mail outlining your specific needs to .