1962 IBM 7090 DATA PROCESSING SYSTEM REFERENCE MANUAL MAINFRAME COMPUTER
ITEM DETAILS
Title:Reference Manual IBM 7090 Data Processing System
Author:International Business Machines Corporation
Publisher:International Business Machines Corporation, Data Processing Division, White Plains, New York
Publication Date:September 1962
Edition:Minor Revision, Form A22-6528-4
Condition:Good
ITEM DESCRIPTION
Original IBM Reference Manual for the IBM 7090 Data Processing System, Form A22-6528-4, issued as the September 1962 minor revision by International Business Machines Corporation. This is a substantial early mainframe computer manual from the transistorized era of large-scale scientific, engineering, institutional, government, and business computing. The IBM 7090 was one of the landmark machines of early 1960s data processing, succeeding the vacuum-tube IBM 709 and helping define the transition from room-sized electronic calculators and first-generation computers into high-speed transistorized mainframe systems used for serious scientific and technical work.
The manual provides a detailed operational and programming reference for the IBM 7090 system, with sections on system description, data channel operation, data channel trap, programming techniques, external signal, computer instructions, commands, orders, fixed point operation, floating point operation, shifting operations, word transmission operations, control operations, index transmission operations, logical operations, sense indicator operations, convert instructions, input-output operations, input-output transmission operations, data channel commands, channel trap operations, system compatibility operations, interrupt conditions, and major input-output components.
Illustrated throughout with photographs, technical diagrams, register diagrams, timing charts, word-format charts, punched-card diagrams, tables, and sample programming material. Shown and discussed are the IBM 7302 Core Storage Unit, the central processing unit, accumulator and multiplier-quotient registers, index register tag bits, data channel command registers, IBM 7607 Data Channels, magnetic tape equipment, disk storage, IBM 7340 Hypertape Drive, IBM 1414 Model 6 Input-Output Synchronizer, telegraph input-output, card reader, card punch, printer, assembly program examples, logical check sums, packing and unpacking, subroutines, sense indicators, writing a format track, write-check procedures, octal-decimal conversion tables, powers of two, SCAT mnemonic operation codes, and a detailed instruction listing.
The copyright page lists copyright dates of 1959, 1960, 1961, and 1962, and identifies this as the September 1962 minor revision. The rear includes the original IBM comment sheet and business reply mail form addressed to IBM Corporation, Customer Manuals Department 298, P.O. Box 390, Poughkeepsie, New York, giving the manual a nice additional piece of period IBM customer-service and documentation history.
Original side-punched IBM card-stock covers with the large orange-and-white IBM design strip on the front cover. The covers show rubbing, scratches, scuffing, light soiling, bumped and worn corners, edge wear, small chips and short tears along the spine edge and around some of the punched holes, handwritten owner/catalog notes on the front cover, and a later handwritten paper spine label reading “IBM MANUAL 7090.” The interior pages are generally clean and readable with age toning to the page edges, light handling wear, minor corner/edge wear, and a few scattered handwritten technical notes/marks visible on some interior pages. The rear cover shows similar rubbing, scratching, edge wear, and small tears near the spine-side holes. The binding remains secure overall.
Make sure to see the photos above for complete details.
156 numbered pages, plus rear comment sheet/business reply form.
Measures approximately 11 inches tall by 8 1/2 inches wide.
KEYWORDS
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_gsrx_vers_1736 (GS 9.9.5 (1736))
