IBM A22-6881-2 360-40 funcChar free download

File name A22-6881-2_360-40_funcChar.pdf

File No. S360-01 Form A22-6881-2 Systems Reference Library IBM System/360 Model 40 Functional Characteristics This manual presents the organization, characteristics, functions and features unique to the IBM System/360 Model 40. Major areas described are system structure, generalized information flow, standard and optional features, system control panel, in- struction timings, and channel characteristics and functional evaluation. Descriptions of specific input!output devices used with the IBM System/360 Model 40 appear in separate publications. Con- figurators for the IBM 2040 Processing Unit and I/O devices are available. See IBM System/360 Bibliography, Form A22-6822. It is assumed that the reader has a knowledge of the System/ 360 as defined in the IBM System/360 Principles of Operation, Form A22-6821 and the IBM System Summary, Form A22-6810. SECOND EDITION This is a major revision of, and obsoletes, Forms A22-6881-0 and A22-6881-1, and Tech. nical Newsletters N22-0228 and N22-0291. Additional material includes IBM 2400 tape data in channel evaluation factors, autopolling data for IBM 2702, revision of 2702 work- sheet example; an additional load limits table on multpilexer in burst mode is included, as is channel-to-channel feature information. Address switching has been clarified, all instruction timings (including floating-point) have been revised. An index has been added. Changes to the text are indicated by a vertical line to the left of the change; revised illustrations are denoted by the symbol