Right with a horizontal mount. I think they were used as I/O processors in later models of the 3090's.
In a message dated 8/12/2020 6:02:20 PM Central Standard Time, [email protected] writes: neither were network connected - the engineers and admins (SYSPROGS) had to carry updates into the computer room, but they were on round reel tapes -------------------------------------------------------------------- ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
