IBM series 1 used 8" floppy disks. I don't find reference to 12 inch.
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Radoslaw Skorupka Sent: Thursday, July 11, 2024 12:00 PM To: [email protected] Subject: [EXTERNAL] Mainframe history - 12 inch floppies? I just found information in some book that IBM mainframes used 12 inch floppy diskettes. Late 70's. Anybody heard about such diskettes? -- Radoslaw Skorupka Lodz, Poland ---------------------------------------------------------------------- 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
