| SY22-2844-0_Model_40_Theory_Of_Operation_Interrupts_Channels_Nov67.pdf | | Field Engineering
Theory of Operation
System/360 Model 40
Theory of Operation
Program Interrupt
Multiplex Channel
Selector Channel
SY22-2844-O
Preface
This manual describes the theory of operation of the Field Engineering Manual of Instruction, IBM Sys-
multiplex and selector channels of the IBM 2040. It also tem/360 Model 40, Functional Units, Form 223-
presents the causes and effects of program interrupts 2843.
and describes the operation of the interval timer. Field Engineering Manual of Instruction, IBM Sys-
Other manuals associated with and referenced by tem/360 Model 40, Power Supplies, Features, and
this publication are: Appendix, Form 223-2845.
Field Engineering Manual of Instruction, IBM Sys- All three-digit figure references in this publication
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