IBM Y24-3529-0 2025 Processing Unit FE Maintenance Diagrams Feb69 free download

File name Y24-3529-0_2025_Processing_Unit_FE_Maintenance_Diagrams_Feb69.pdf

Field Engineering Maintenance Diagrams Restricted Distribution This manual is intended for internal use only and may not be used by other than I BM personnel without IBM's written permission. ~@ ~ ~ PrDcessing Unit Y24-3529-0 Form Y24-3529-0 FES Y24-0094 Preface The IBM System/360 Model 25 FEMDM is intended as a References to the System/360 Model 25 FEMDM are quick-recall document for use in the field. The manual made from the following manuals. consists of the following sections. 1. Diagnostic Technique Diagrams System/360 Model 25 Processing Unit FETOM, These diagrams give a generalized approach to Form Y24-3527. troubleshooting problems on the System/360 Model 25. System/360 Model 25 Processing Unit Integrated 2540 3. Data Flow Diagrams Attachment FETOM, Form Y24-3532. These diagrams show the system data flow and identify the major components of the system. System/360 Model 25 Processing Unit Integrated 1403 4. Functional Units Diagram~ Attachment FETOM, Form Y24-3533. The functional units diagrams are positive logic diagrams of the CPU, Integrated Units, File, and Sysiem/360 Model 25 Processing Unit Integrated 2311 Channel circuits. These diagrams show logical Attachment FE TOM, Form Y24-3534. operation of circuits without regard to signal level, although actual ALD line names are used. System/360 Model 25 Processing Unit Channel FETOM, 5 . Opera tional Diagrams Form Y24-3531. The operational diagrams describe some of the basic operations performed by the System/360 System/360 Model 25 Processing Unit FE Maintenance Model 25 and its integrated attachments. Manual, Form Y24-3S28. Immediately following the table of contents is a refer- ence list of lights, switches, and latches used in the System/360 Model 25. RESTRICTED DISTRIBUTION: This manual is intended for internal use only and may not be used by other than IBM personnel without IBM's written permission. First Edition (October, 1968) Significant changes or additions to the specifications contained in this publication