IBM PC 3278/79 Emulation Adapter Technical Reference

Revision as of 18:09, 1 October 2026 by Josh (talk | contribs) (Documentation page for the hosted PDF: title, contents, gaps and citing pages)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

The IBM Personal Computer 3278/79 Emulation Adapter Technical Reference is IBM's 22-page technical reference for the long 3278/79 Emulation Adapter, part number 1502336, first edition, October 1983. It is the same card that the IBM 3270 PC calls the Distributed Function Communications Adapter (DFCA). The scan has a text layer.

Contents

edit
  • The BNC coaxial connection to the control unit
  • Interrupt level 2
  • The I/O registers at 2D0h to 2D6h: interrupt/status, visual/sound, cursor address, control, scan code and terminal ID

What this document does not contain

edit

No schematic, no parts list and no fault-isolation procedure.

Pages that cite this document

edit

Download: IBM PC 3278-79 Emulation Adapter Technical Reference 1502336.pdf