Communication Interface Module
Cat. No. 1784KT/B
Installation Data
19
IBM
PC XT System I/O Allocation W
orksheet
I/O Address IBM PC XT Assignments Your System
0000FF System Board I/O
1001FF Reserved
200 Game I/O
210 Expansion Unit
220
230
240
250
260
270
280
290
2A0
2B0
2C0
2D0
2E0
2F0 2F8 - 2FF: Async Com (2)
300
310
320 Fixed Disk
330
340
350
360
370 378 - 37F: Printer
380 SDLC or Bisynchronous Com 2
390
3A0 Bisynchronous Com 1
3B0 Monochrome Display/Printer
3C0
3D0 Color Graphics
3E0
3F0 Diskette/Async Com (1)