I recommend that you take a look at IBM publication GA23-0214-03. Do a Google search on "3174 customization" and select the entry starting "Full text of...".
John P. Baker Sent from my iPhone > On Apr 29, 2017, at 7:39 PM, Parwez Hamid <parwez_ha...@hotmail.com> wrote: > > Dave, > > I have sent a 18 MB pdf file - 3274 Control Unit customization, planning and > set-up guide direct to you. For a 3290 attached to a 3174 you need the > configuration support T licensed microcode disk for the 3274 and for a 3173 > CU I think its configuration support C. The 3274 used a 8 inch floppy disk > for the microcode! > > Parwez Hamid > > ---------------------------------------------------------------------- > 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