- -- ---
Principles of Operation
Publication Number File Number
Eleventh Edition (September 1987)
This major revision obsoletes and replaces GA22-7000-8, GA22-
7000-9, and Technical Newsletters GN22-0644 and GN22-0683.
Significant changes or additions to the text and illustrations
are indicated by a vertical line to the left of the change.
Changes are made occasionally to the information herein; before
using this publication in connection with the operation of IBM
equipment, refer to the latest IBM System/370, 30xx, and 4300
Processors Bibliography, GC20-000I7 for the editions that are
applicable and current.
IBM may have patents or pending patent applications covering
subject matter described herein. Furnishing this publication
does not constitute or imply a grant of any license under any
patents, patent applications, trademarks, copyrights,|