http://www.virtualaltair.com/virtualaltair.com/vac_altair_8800b_mainframe.asp has one that clearer, but not color and missing the logo bits -- Tim Riker - http://rikers.org/ - TimR at Debian.org Linux Technologist - Tim at TI.com - http://www.TI.com/ BZFlag maintainer - http://BZFlag.org/ - for fun!