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File Number 8360-01
Form A24-3373-2




Systems Reference Library




IBM System/360 Model 30
Operating Guide

This reference publication describes operator procedures for
the IBM 2030 Processing Unit and the IBM 1052 Printer
Keyboard (attached to the IBM 8ystem/360 Model 30). For
additional information for operation of the various input/output
devices, refer to the publications listed in the IBM 8ystem/360
Bibliography, Form A22-6822.
Third Edition

This is a reprint of A24-3373-1 incorporating changes
released in the following Technical Newsletter.

Form Number Pages Affected ~


N24-0390 20 December 28, 1966

Significant changes or additions to the specifications
contained in this publication will be reported in
subsequent revisions or Technical Newsletters

Copies of this and other IBM publications can be obtained through IBM Branch Offices.
This manual has been prepared by the IBM Systems Development Division, Product
Publications, Dept. 171, P. O. Box 6, Endicott, New York 13760
Address comments regarding this publication to this address.




@) International Business Machines Corporation 1965




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CONTENTS




IBM SYSTEM/360 MODEL 30 OPERATING
GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . 5
IBM 2030 System Control Panel . . . . . . . . . .. 6
Operator's Control Panel (OC P). . . . . . .. 6
Console Controls. . . . . . . . . . . . . . . . .. 9
Operation Controls . . . . . . . . . . . . . . . . 10
Push Buttons . . . . . . . . . . . . . . . . . . . . . 12
Displays . . . . . . . . . . . . . . . . . . . . . . . . 14
Use Meters . . . . . . . . . . . . . . . . . . . . . 18

SYSTEM OPERATIONS . . . . . . . . . . . . . . . . . 19
System Power-On and Power-Off . . . . . . . 19
Program Load Routine . . . . . . . . . . . . . . 19
Dis play Information From Storage . . . . . . 20
Store Information into Storage . . . . . . . . . 20
Single-Instruction Processing . . . . . . . . . 24
Single-Cycle, Display, and Store
Operations. . . . . . . . . . . . . . . . . . . . . 24
Processing a Program Section. . . . . . . 25
Starting at a Specific Instruction (Set
IC) Procedure . . . . . . . . . . . . . . . . . . 25
Manual Intervention . . . . . . . . . . . . . . . 27
Microprogram Test Routines . . . . . . . . . . . . . 27
Basic Test . . . . . . . . . . . . . . . . . . . . . . 27
Display Read/Write Storage . . . . . . . . . . . 27
Alter Read/Write Storage . . . . . . . . . . . . 28
Alter a Block of Read/Write Storage . . . . . 28

IBM 1052 PRINTER-KEYBOARD . . . . . . . . . . 29

IBM 1050 OPERATIONS . . . . 37

EXTENDED BINARY-CODED-DECIMAL
INTERCHANGE CODE (EBCDIC) . . . . . . . . . 41

GLOSSARY OF TERMS . . . . . . . . . . . . . . . . . 44

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46




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Figure 1. IBM System/360 Model 30 with IBM 1052 Printer Keyboard




4
IBM SYSTEM/360 MODEL 30 OPERATING GUIDE




The IBM System/360 Model 30 (Figure 1) is a solid-
state, high-speed data processi~g system that is
compatible with the other models of System/360 as
described in IBM System/360, Principles of Opera-
tion, Form A22-6821.
--The operator controls needed for normal program
processing (turning power on and off and loading and
starting a program) are contained on the 2030 system
control panel (console). The IBM 1052 Printer-Key-
board can be added to the system so that communica-
tion between the operator and the system can be
documented.




5
IBM 2030 SYSTEM CONTROL PANEL




The IBM 2030 Central Processing Unit is provided I/O devices. The time required for a power-on
with a number of indicators and manual controls sequence depends on the number of on-line I/O
that permit operation of the system in any of several units.
modes, and observation of the results of any opera-
tion. These indicators and controls are assembled Note: The follo\\ing procedure must be used when
on a panel (Figure 2) that serves as both an operator's applying or removing electrical power to input/
system control console and an IBM Customer Engi- output devices:
neer's panel. The lower right-hand portion of the
console is designated as the Operator's Control 1. Press the 2030 Stop key and wait for the l\lanual
Panel (OC P). This section contains four push but- light to come on.
tons, three 16-position rotary switches, and six
indicators. Except for the nomenclature printed on 2. Set the Rate switch to the Single-Cycle position.
the panel, the OCP is identical on all CPU's (Central
Processing Units) in System/360. The OCP contains 3. Press the 2030 Start key.
all controls and indicators necessary for normal
problem-program processing. 4. Turn power on or off on the I/o unit.

5. Set the Rate switch to the Process position.

6. Press the console Start key to resume opera-
OPERATOR'S CONTROL PANEL (OCP)
tion.
This section of the 2030 console (lower right corner) This procedure ensures that the system is in a
has the following controls and indicators: cycle in which read/write storage is not being
accessed. Thus, any electrical surge on the chan-
nel that might have been caused by applying or
Power-On Key removing power to the unit does not affect the
contents of storage.
The power-on sequence for the CPU and all on-line If power is removed from the last I/O unit
I/O units starts when this key is pressed. A system (because maintenance is required) on a channel.
reset function occurs. All data-flow registers (but the line terminators must be relocated in order to
not the general-[Xlrpose or floating-point registers) continue CPU operations. The last I/O unit on
are reset. as are any priorities that happen to turn any channel must be on as long as the system is
on. The CPU clock is reset to prevent access to
on.
storage so that information in storage is not dis-
turbed. Hence, system power can be turned off
and restored without destroying information in main Power-Off Key
storage.
This key removes power to the CPU and all on-line
The I/O units are sequenced ON one by one. I/O units. The contents of main storage are not
If power cannot be brought up for a unit, further altered during the power-off operation. except that
power-on sequencing is interrupted (console Power if a storage-read cycle has been taken (the Allo\\,-
On light remains off) until corrective action is \!.,Trite indicator is on), a manual-\\Tite cycle is
taken for that unit. All on-line I/O units are also forced to ensure that the contents of the location
reset. The po\ver-on sequence bypasses off-line just read are not lost.




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