Introduction; System Unit - IBM 3270 Maintenance Manual

Section 1. Introduction
The IBM 3270 Personal Computer is a powerful
small computer which offers a wide variety of
options to give the user the ability to tailor his
system to meet his needs now, and growth
potential for the future.
The system unit contains the
80~8
processor,
256KB or 384KB of memory, the distributed
function communications adapter, display
adapter and diskette adapter. In addition,
depending on the model, your system unit may
contain a 10 megabyte fixed disk drive, one or
two diskette drives, and a printer port.
Input to the system is via a 122-key keyboard
which includes a numeric keypad and 24 program
function keys. The keyboard is connected with a
coiled cable which allows the keyboard to be
moved to a comfortable operating position.
5272 Color Display
5271 System Unit
October 1984 1-1