|A22-6907-2_360-91_funcChar.pdf||File No. 8360-01
Systems Reference Library
IBM System/360 Model 91
This publication describes the organization and the functional
characteristics of the IBM 8ystem/360 Model 91, an information-
processing system designed for ultrahigh-speed, large-scale sci-
entific and business applications.
The system components are described, and a detailed con-
sideration is given to the functions of processor storage, the
central processing unit, the input/output channels, and the op-
erator-control and operator-intervention portions of the system
control panel. In addition, certain coding and timing considera-
tions are discussed.
The reader is assumed to have a knowledge of information-
processing systems. and to have read the IBM System/360 Prin-
ciples of Operation, Form A22-6821.