The 3540 was a BUS & TAG attached device. I am not saying that its still in use by anyone. However, a while ago, during my travels I did find customers were using strange BUS and TAG devices with channel convertors etc.
https://www.reddit.com/r/retrobattlestations/comments/627vtu/big_disk_week_ibm_3540_s370_channel_attached_8/ [https://preview.redd.it/1wgw7b1vndoy.jpg?auto=webp&s=700536458793462d84bccdfbea463e2ff9ccfc59]<https://www.reddit.com/r/retrobattlestations/comments/627vtu/big_disk_week_ibm_3540_s370_channel_attached_8/> [Big Disk Week] IBM 3540 S/370 channel attached 8" floppy drive : retrobattlestations<https://www.reddit.com/r/retrobattlestations/comments/627vtu/big_disk_week_ibm_3540_s370_channel_attached_8/> [Big Disk Week] IBM 3540 S/370 channel attached 8" floppy drive. Big Disk Week. Close. 30. Posted by. u/uniservo. 2 years ago. Archived [Big Disk Week] IBM 3540 S/370 channel attached 8" floppy drive. Big Disk Week. 10 comments. share. save hide report. 98% Upvoted. This thread is archived. New comments cannot be posted and votes cannot be cast ... www.reddit.com Regards Parwez Hamid ________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of R.S. <[email protected]> Sent: 13 May 2020 15:55 To: [email protected] <[email protected]> Subject: Re: An older device query - still using?? Excuse me, what is IBM 3540? This is mainframe forum so I checked all historical DASD, including drum device and 2305 (which is not a drum) and found no such device. I also reviewed disks for small systems (S3 System 32, System 34... AS/400) and still no such device. Finally I found ~500MB SCSI attached 3,5" disk with such number. However I still don't know what is 3540. Any clue? Update: I found it. It is diskette (yes, 8" floppy diskette drive). Where can I find the reference about it? In new shining z/OS 2.4 JCL Reference! Wow! So, I dare to ask about this "still supported" device: Was it Bus & Tag attached? What parameters has the diskette? capacity, cylinders #, track length... How it was recognized by operating system? Was it another DASD volume? Every diskette was separate volume as tape cart? -- Radoslaw Skorupka Lodz, Poland W dniu 12.05.2020 o 21:40, Marna WALLE pisze: > Hello All, > We had an internal small discussion wondering if there were any customers > that still used these devices (the youngest of which went end-of-service in > 2014, from what I can find). I wanted to extend this conversation outside of > IBM, to those that might have firsthand current knowledge. > > Here's the devices I'm wondering about: > > 1287/1288 - IBM Optical reader and page reader respectively > 3540 - IBM Disk device > 3886 - IBM Optical Character reader > 3890 - IBM Magnetic Ink Reader > 3895 - IBM Printer device > > If you or someone you know *currently* has one of the above devices in use, > would you mind contacting me? I'm not interested in the past, when I know > these were once-popular devices. For instance, all LinkedIn hits I read were > all "prior experience" type of references. > > I'm interested in current 2020 usage of them. I appreciate learning about > this. > -Marna WALLE > z/OS Installation, IBM Poughkeepsie > [email protected] > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > . ====================================================================== Jeśli nie jesteś adresatem tej wiadomości: - powiadom nas o tym w mailu zwrotnym (dziękujemy!), - usuń trwale tę wiadomość (i wszystkie kopie, które wydrukowałeś lub zapisałeś na dysku). 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