It is true that the online reader on the 7090 and 7094 could not read all 80 columns, but how many shops used them as opposed to an offline 1401, a 7040 or a 7044?
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי ________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Paul Gilmartin <0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> Sent: Tuesday, November 7, 2023 9:18 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Kinda fun On Tue, 7 Nov 2023 16:17:45 -0500, Phil Smith III wrote: >https://secure-web.cisco.com/14cjuuVjCFjX_Gso5kZs-T0EVznTLUBx22H-HShEm6ta5Jddi_XWuZQSVb3McIrbOapqefqYvMGUZvMMFvqxDnB452PK4pq4VR1Mr-69cgcisfqcvi1PzquyUzPBtW-BRLmGrBRQCgObgSnHBvNim7H272TrsahbHwVaQatnTvxRMioKSmoDfXFP9fnKQ6zSMAqfX4oWLgzA_Xk4vG4dCC21XWh_iWP_7UGvp_hZT3WTHeENoP_UUrqN9qbPHeRyVFnyRV03sY-5pAnslfPdJqDIytCCcLG163fwXpcpvn_lOT27GZko3ENd3sMV5i0Gl5q-5fWfd_oR3SMTGUh5LYwSsbD8E4g6ky6qOQdOp9oBuXGfXa4W348gMf_R_mS4ULQjJcYB-dmjdUygK6yKE2ni3HP6I9tZFnSHksQAipiU/https%3A%2F%2Fblog.computationalcomplexity.org%2F2023%2F11%2Fin-bad-old-days-we-had-punchcards-how.html > More generally, What did people in that era think? I asked several people who dealt with punch cards and there are some of their responses: 1) Paper Tape was Worse: However, punch cards imposed the FB80 bondage which still enslaves z/OS facilities. On Tue, 7 Nov 2023 21:57:08 +0000, Schmitt, Michael wrote: > >I like to ask the new people I work with "Why does ISPF maintain sequence >numbers in source?" (or JCL, sysin members, etc.). Not one answers "so you can >put your punched card deck back in order when you drop it". > A major contributing cause was row binary readers on 36-bit machines. I recall seeing job decks with notes, "Data use 80 columns. DO NOT read with online reader!" -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
