Hello Bob, Power requirements are as follows: Test Environment: Temp. : Room OS: Win2K Server + SP1 CPU : PIII 933 *2 RAM : 768 MB Test result : + 5V : 14.25 A - 5V : 0 + 12V : 248 mA - 12V : 0 5 VSB : 4 mA 3.3V : 3.16 A Thank you, Darin S. Goodman Senior Field Application Engineer Advantech Technologies, Inc. CT and Network Computing Division (760) 918-9288 main number, extension 118 (760) 929-9221 fax (800) 557-6813 1949 Palomar Oaks Way, Suite B Carlsbad, CA 92009 www.advantech-nc.com