IBM C20-1635-2 Model 40 Operating Techniques free download

File name C20-1635-2_Model_40_Operating_Techniques.pdf

File Number 8360-01 Form C20-1635-2 Systems Reference Library IBM System/360 Model 40 Operating Techniques This manual describes operator procedures for an IBM 2040 Processing Unit. It is intended to be a handy reference manual for the user to take to an IBM Test Center for preparation of testing materials. For information pertaining- to operation of the units attachable to 8ystem/360 Model 40, refer to the appropriate 8RL publication. 8RL publications that pertain to IBM System/360 and attachable units are abstracted and referenced by form number in IBM 8ystem/360 Bibliography (A22-6822). CONTENTS Page Page System/360 Model 40 Configuration Example 1 Main Storage 4 System Configuration 1 fustruction COWlter 4 CPU Features 1 Storage Protection 4 I/O Units and Addresses 1 Altering - Storage Select Switch 4 I/O Address Assignment Example 1 Main Storage 4 Current PSW, FP, and GP Registers 4 fustruction COWlter 4 FWlctions of the mM 2040 System Control Storage Protect Key 5 Panel 1 Continuous Looping 5 Keys 1 Address Stop 5 Switches 2 Analyzing an Unexpected Wait State Lights 2 Condition 5 Data and Address--Lights and Switches 2 Analyzing fuput/Output Commands 5 System/360 Operating Techniques 3 hlitial Program Loading (IPL) 3 Appendix A: Clear storage--Manually 3 Reference Tables for the System/360 7 Displaying--Storage Select Switch 3 Units Floating Point Registers 3 General Purpose Registers 3 Appendix B: Current Program Status Word 3