> They only had 7 track tapes at the time. Are you a betting man?
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Mike Schwab <[email protected]> Sent: Sunday, November 15, 2020 5:28 PM To: [email protected] Subject: Re: Improve OMVS cp performance? They only had 7 track tapes at the time. 9 track tapes introduced with S/360 in 1964. https://secure-web.cisco.com/15XvqSwTkb8sH4cs6M51pKSQPk3d5UMx0-OZWOJ-qVN-Xi3Em6QAF-WxBpwlIxb4H-MIL_lx-Sjm3-fYErj8-_wb3XmyqHn8YwVkyLcFpqfg5HOxgP-3u6TV5WZoS9eSBARFIPSwxXNPiVInLz7T7XfYMW8GF4xFUHfMkxEQqaugiyRJI2b-7ozMXS67SLYZdCL_GML_68jxRtZS8n1wpWPPi4_gJBf7UrHScZXtCb_mTD6A0KCSIXj79GLDoX1HfombbmMh1rWbORrUkfDCfuqb3oudoIDruIhlxDkbAP_-7tY49ZzJiT37K2xxiMe3hr2vjakbV8KMdSRC_vYHFs6DTqTkK9PhyVHfnweIZwHbdul1nV5ajaPlYlmIHw915zOZMUqtYPHHOw_GoTnqH6YimQOMHeC53GnS4KHEiXoelc3T9eAJL_QjV-RFTKdkI/https%3A%2F%2Fen.wikipedia.org%2Fwiki%2F9_track_tape On Sun, Nov 15, 2020 at 3:36 PM Paul Gilmartin <[email protected]> wrote: > > On Sun, 15 Nov 2020 15:13:24 -0600, Mike Schwab wrote: > > >Sorry. First computer to use 8 bits per character. > > > Wikipedia, not necessarily an authority, says: > > https://secure-web.cisco.com/1nkIhum4wox25jkI5iyrdaNhYiLZ-wEKIr3K4FJU0KBpoOtcfywPRSnP9jzVOX-9S8QZjIml46GxRNS1b2fKnylfTLqYAXUVsy4GHz8fzHXPRAKuVy0q0Q-ha8KLERcqzewzfdpjYIlNEbkZQ8xYjzgsF9vD3-o9FFmMk-ZeQsGyfATz-ct5fo02aXF-g0sn7_8Ax67Ftiy2kjGEiZk3yDaEs75vcK08soi_H9HBWYSZfMwEgNQ5Chi0qaI-OEaMOGvf-fNfsdgO7cGmxGOyIGst1qyQOoBzS9V1CrFsevh-h3fKH6xVuolZBz2I9ylh_gOKwSoCLhkRxeb_KPNJNUXkPHactrTwT2naYwfJdOoMoksJuj1NYmtSqNw74vRX0d7Z3Gsf0FyPEnz-J_EIEafTVDrXhAJrT7AnH2MdZC9iUY1BW9ldH5qyOiC-gCu7f/https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FIBM_7030_Stretch#Data_formats > Alphanumeric characters are variable length and can use any character > code of 8 bits or less. > > ... so, if true, 8 bits was at least possible. Was it widely in "use"? > > >On Sun, Nov 15, 2020 at 11:09 AM Seymour J Metz wrote: > >> > >> > You have to remember that S/360 was the first 8 bit computer. > >> > >> What is the 7030, chopped liver? > > -- gil > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
