IBM ESA/390 ISA

E729284
IBM mainframe architecture instruction set architecture

IBM ESA/390 ISA is a mainframe instruction set architecture that evolved from IBM’s System/370 line, supporting 31-bit addressing and advanced enterprise computing features used in IBM System/390 systems.

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Observed surface forms (1)

Surface form Occurrences
IBM ESA/390 1

Statements (49)

Predicate Object
instanceOf IBM mainframe architecture ⓘ
instruction set architecture ⓘ
abbreviation ESA/390 NERFINISHED ⓘ
addressWidth 31-bit ⓘ
architectureFamily IBM 360/370/390 family NERFINISHED ⓘ
backwardCompatibleWith IBM System/370 architecture NERFINISHED ⓘ
compatibleWith System/370 instruction set NERFINISHED ⓘ
designedFor backward compatibility ⓘ
high availability ⓘ
high reliability ⓘ
developer IBM ⓘ
follows IBM System/370 architecture NERFINISHED ⓘ
hasRegisterSet access registers ⓘ
control registers ⓘ
floating-point registers ⓘ
general-purpose registers ⓘ
introducedInProductLine IBM System/390 NERFINISHED ⓘ
marketedAs Enterprise Systems Architecture/390 NERFINISHED ⓘ
predecessor IBM System/370 architecture NERFINISHED ⓘ
successor IBM z/Architecture NERFINISHED ⓘ
supportsFeature 31-bit addressing ⓘ
I/O interruption handling ⓘ
access registers ⓘ
address-space control ⓘ
batch processing ⓘ
channel I/O architecture ⓘ
control registers ⓘ
decimal arithmetic instructions ⓘ
enterprise transaction processing ⓘ
extended addressing facilities ⓘ
floating-point operations ⓘ
privileged instructions ⓘ
problem-state instructions ⓘ
program interruption handling ⓘ
storage protection ⓘ
time-sharing workloads ⓘ
virtual memory ⓘ
virtual storage ⓘ
supportsOperatingSystem MVS/ESA NERFINISHED ⓘ
OS/390 NERFINISHED ⓘ
VM/ESA NERFINISHED ⓘ
VSE/ESA NERFINISHED ⓘ
usedFor database workloads ⓘ
enterprise computing ⓘ
large-scale transaction processing ⓘ
mainframe operating systems ⓘ
mission-critical applications ⓘ
usedIn IBM System/390 NERFINISHED ⓘ
IBM mainframe computers NERFINISHED ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

IBM System/390 → instructionSetArchitecture → IBM ESA/390 ISA ⓘ
OS/390 → supportsHardwareArchitecture → IBM ESA/390 ISA ⓘ
this entity surface form: IBM ESA/390