Those were the little foil reflectors, programmatically referred to as BOT and EOT. For partially overwritten tapes could fwd space to the EOT and do a Read Backwards. Think most of the vendors were Potter Brumfield or Ampex rebranded. There were rumors of a 13k 9trk but the Carts appeared soon after.
In a message dated 6/30/2016 7:51:52 P.M. Central Daylight Time, [email protected] writes: The heads were elevated from the tape. A photosensor detected when the tape got near the hub and slowed down the process to finish at normal R/W speed. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
