Wasn't IBM the first to have retractable R/W heads on a tape drive? Chaining of I/O requests.
I know that Burroughs had fixed-head disks before IBM, but did they have an equivalent of RPS? Didn't IBM invent some of the print technologies on its tab machines? Golfball; I recall IBM selling a metric buttload of 2741 terminals. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
