yea osborne was 50 or 51... In a message dated 6/13/2015 9:33:00 A.M. US Mountain Standard Time, cisin at xenosoft.com writes: > Soon, the model 4 was made available - same basic machine with 80x24 video (V > 51x16), ooops. 64 characters per line on the 1. Maybe it was Osborne 1 with 51?