Conf ig uration s
Devices Supported by VM/370 The following devices are supported by VM/370 except as otherwise noted.
The devices are listed by device type: • Processors • Direct access storage devices • Magnetic tapes • Unit record devices (printers, readers, and punches) • Terminals • Transmission control units and communications controllers • Remote spooling devices • other devices
Part 1. Planning for System Generation 105
Configurations (processors)
Processors VM/370 supports the following processors: • IBM System/370 Model 135 Submodel 3 • IBM System/370 Model 138 • IBM System/370 Model 145 • IBM System/370 Model 145 Submodel 3 • IBM System/370 Model 148 • IBM System/370 Model 155 II • IBM System/370 Model 158 UP/I\P/MP1 • IBM System/370 Model 158 Submodel 3 • IBM System/370 Model 165 II • IBM System/370 Model 168 UP/AP/t!pt • IBt! System/370 Model 168 Submodel 3 • IBM 4331 processor • IBM 4341 processor • IBM 3031 processor UP/AP • IBM 3032 processor UP • IBM 3033 processor UP/AP/Mpa PROCESSOR REQUIRED FEATURES AND FACILITIES The processor features and facilities required by VM/370 are listed
below. Only the features and facilities that are not standard on a
particular processor are described. For example, the Word Buffer
feature is standard only on the t!odel 148; therefore, the feature number
and requirements are described only for the Models 145 and 145-3. • The System Timing facility (12001), which includes the clock
comparator and the processor timer, on the Models 135 and 145. • The clock comparator and processor timer (12001) on the Model 145-3. • The Floating-point feature
--For the Model 135, feature #3900 --For the Model 145, feature #3910 • The Precision Floating feature (13840) on the Model 135-3. • The Channel Indirect Data Addressing feature on each of the 2860, 28 7 0, and 2880 standalone I/O channels on the Model 165 II or 168.
--For the 2860, features 11861, 1862, and 1863
--For the 2870, feature 11861 --For the 2880, features 11861 and 1862
1This System/370 model is supported when running in uniprocessor mode or
with an asymmetric IIO configuration. In an asymmetric configuration,
all I/O devices attached to the system must be attached to one
processor. 106 IBM VM/370 Planning and System Generation Guide
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