On Wed, 13 May 2020 11:35:00 -0400, Tony Thigpen <t...@vse2pdf.com> wrote:
>The 4331 had an internal diskette drive (accessed from the top of the >cpu) that emulated a 3540. It was the same drive as used for IML. We >also had one attached to our System-3/15D. > >Tony Thigpen I remember it well, the conversion from 4331 to 4341 was a particularly painful conversion due to all the built-in adapters and such that 4331 possesed that the 4341 required channel attached control units. In order to swap to the new CPU, we had to install 3540, 3274, 3880, 3705 (along with NCP, EP, and SSP) and new tape drives. Dana ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
