Ibm Pc 3278/79 Emulation Adapter; Specifications; Removal And Replacement Procedures - IBM 6151 Maintenance And Service Manual

IBM PC 3278/79 Emulation Adapter
The IBM PC 3278/79 Emulation Adapter provides the hardware to
make the system unit respond to a host system like an IBM 3278 or
IBM 3279 Display Terminal.
There are two styles of IBM PC 3278/79 Emulation Adapters in use.
The long adapter is the earlier design and has no jumper or switch
settings. The short adapter has switch settings. When ordering a
replacement adapter, order the short adapter.
Note: The long and short adapters cannot be in the same system
unit.
Specifications
Slot positions
I/O addresses
Memory addresses
Interrupt level
Maximum number
1 - 5
Address range 1, 02DO - 02DA
Address range 2, 06DO - 06DA
Address range 3, OADO - OADA
Address range 4, OEDO - OEDA
OCEOOO - OCFFFF
9
4
Removal and Replacement Procedures
Use the Adapter Removal and Replacement procedures in
Section 4.
(6/88) Adapters 9-069-1