IBM System/370 Manual de usuario

Systems

A Guide

the IBM System/370

Model 165

This guide presents hardware, programming systems, and

other pertinent information about the

IBM

System/370

Model 165 that describes its significant new features and

advantages. Its contents are intended

acquaint the

reader with the Model 165 and

benefit in

planning for its installation.

First Edition (June 1970)

This guide

intended for planning purposes only.

will be updated from

time to time to reflect system changes; however, the reader should remember

that

the authoritative sources

system information are the Systems Reference

Library (SRL) publications for the Model 165, its associated components and

its programming support. These publications will ftrst reflect such changes.

Copies

this and other

IBM

publications can be obtained through

IBM

branch

offIces.

A form has been provided

the back

this publication for readers' comments.

this form has been removed, address comments to:

iBM

Corporation,

Technical Publications Department, 112 East Post Road, White Plains, New York

10601.

PREFACE

Page ofGC20-1730-0

Revised 11/20/70

TNL GN20-2277

assumed

that

the

reader

this

document

familiar

with

System/360.

The

reader

should

have

general

knowledge

System/360

architecture,

channels,

I/O

devices,

and

programming

systems

support.

This

guide

highlights

only

those

Model

165

hardware,

I/O,

and

programming

systems

features

that

are

different

from

those

System/360

models

and

discusses

their

significance.

Additional,

detailed

information

regarding

System/370

Model

165

hardware

and

programming

systems

support

can

found

the

following

SRL

publications:

IBM

System/370

Model

165

Functional

Characteristics

(GA22-6935)

IBM

System/370

Principles

Operation

(GA22-7000)

IBM

System/370

System

Summary

(GA22-7001)

IBM

System/370

I/O

configurator

(GA22-7002)

Component

Summary:

3830

Storage

Control,

3330

Disk

Storage

(GA26-1592)

IBM

System/360

Component

Description:

2835

Storage

Control

and

2305

Fixed

Head

Storage

Module

(GA26-1589)

3211

Printer

and

3811

Control

Unit

Component

Description

(GA24-3543)

IBM

Component

Description:

3803/3420

Magnetic

Tape

Subsystem

(GA32-0020)

Form-Design

Considerations

System

Printers

(GA24-3488)

Emulating

the

7070/7074

the

IBM

System/370

Model

165

using

OS/360

(GC27-6948)

Emulating

the

709,

7090,

7094,

709411

the

IBM

System/370

Model

165

using

OS/360

(GC27-6951)

Emulating

the

7080

the

IBM

System/370

Model

165

using

OS/360

(GC27-6952)

IBM

System/360

Operating

System:

Planning

for

the

IBM

3211

Printer,

Data

Management

Macro-Instructions

and

Services

(GC21-5008)

Page

GC20-173(}-0

Revised

11/20/70

TNL

GN20-2277

CONTENTS

Section

01:

System

Highlights.

• . • .

Section

10:

Architecture

and

System

Components

10:05

Architecture

Design

•.••.•..•.

10:10

The

Central

Processing

Unit

(CPU)

and

the

system

Console.

Central

Processing

Unit.

. . .

•.•

Instruction

and

Execution

Units

••..

Local

Storage

and

Control

Storage

.•.

• • • • 8

Program

States

and

System

Interrupts

• . • • • • 9

CPU

Features

• . • • • • • • .

CPU

Cooling.

• • • • •

Motor

Generator

Set.

System

Console

• • . • •

10:15

Storage

•.••••••••

Processor

(Main)

Storage

••••

Processor

Storage

Reconfiguration.

• . • • • • •

Storage

Ripples.

• • • • •

High-Speed

Buffer

Storage.

• • . • .

10:20

Channels

•••••••••••

General

Description.

• • • • • • • . . • • • •

The

2880

Block

Multiplexer

Channel

•

10:25

Block

Multiplexing

Operations

with

Rotational

Position

Sensing

Devices.

• • • • • • • • . • • • • • • . • •

Summary

Block

Multiplexing

Operations

with

I/O

Devices.

• • • • • • • • • • • •

••

• • • • •

10:30

Standard

and

Optional

System

Features.

Standard

Features.

•

Optional

Features.

•

Section

20:

I/O

Devices

••••

20:05

I/O

Device

Support.

20:10

3330

Disk

Storage

and

3830

Storage

Control.

20:15

The

2305

Fixed

Head

Storage

Module

and

2835

Storage

Control

Models

and

2 • • • • •

Data

Recording

the

Model

••

Data

Recording

the

Modell

••

• • •

· .

• • •

Effective

Capacity

2305

Facilities

••

Rotational

Position

Sensing

and

Multiple

Requesting

••.

20:

The

3211

Printer

• • • • • • • • • • •

20:25

The

3803/3420

Magnetic

Tape

Subsystem.

51.1

Section

30:

Programming

Systems

Support.

• • .

30:05

Trends

Data

Processing

and

Programming

Systems..

30:

Support

. • . • • • • . • . .

Section

40:05

40:10

40:15

40:20

40:

Emulator

Programs.

•

•••••

Features

Common

7000-Series

Emulator

Programs

7070/1074

Emulator

Program

• • • • • •

709/7090/7094/709411

Emulator

Program.

7080

Emulator

Program.

• • . •

Section

50:

Reliability,

Availability,

and

Serviceability

(RAS)

Features

• •

50:05

Introduction

••

t:::'7

• ..J I

•

• 69

50:10

Recovery

Features.

• • . • • • • • • • • . • •

Automatic

CPU

Retry.

. • • • •

Eec

Validity

Checking

Processor

Storage

I/O

Operation

Retry.

• . • . • .

Expanded

Machine

Check

Int.errupt

Facilities.

Recovery

Management

Support

(RMS) -

MFT

and

M~~

•

MeR

and

CCll

Routines

• • • . .

Error

Recovery

Procedures

(ERP'

s).

• •

•

• •

•

50:15

50:20

Page

GC20-1730-0

Revised 11/20/70

TNL GN20-2277

Statistical

Data

Recorder

(SDR)

and

Outboard

Recorder

(OBR) • • • • • • • •

Environment

Recording,

Edit,

and

Program

• • • • .

(EREP).

• 82

I/O

RMS

(APR

and

OOR).

• • • • • • •

Advanced

Checkpoint/Restart

and

Warm

Repair

Features.

• • • • • • • • • • •

OLTEP

and

OLT's.

• • • • • • •

•••

Processor

Logout

Analysis

Program.

•

• • • . .

Start

Facilities

•.

•

· 84

System

Test,

Channel

Test,

CPU

Test,

and

Storage

Test

Programs

• • • • • • • • • • • •

Microdiagnostics

•

RAS

summary.

• • •

•

Section

60:

programming

Systems

Preinstallation

Planning

• •

MFT

and

MVT

Transition.

• • • • • • • • • • • 87

Existing

Processing

Programs

and

Job

Control

•

Conversion

3330

and

2305

Facilities

• • • •

Conversion

the

3803/3420

Magnetic

Tape

Subsystem.

•

60:10

Planning

Optimal

System

Performance,

Using

Block

Multiplexer

Channels

and

RPS

Devices

•

System

Configuration

and

Generation.

Job

Scheduling

• • • • • • •

Data

Management

Parameters

• • •

•

• 92

:15

Portability

• • • • • • • • •

60:20

Use

Other

Programming

Systems

•

Section

70:

Comparison

Table

Hardware

and

Features

for

Index

• • •

FIGURES

10.05.1

10.10.1

10.15.1

10.15.2

10.15.3

10.15.4

10.15.5

10.15.6

20.10.1

20.15.1

20.15.2

20.15.3

20.25.1

40.05.1

50.10.1

50.10.2

50.10.3

50.10.4

System/360

Model

and

System/370

Model

165

•••

System/370

Model

165

system

elements

• • • • •

Conceptual

flow

the

water

cooling

system

the

Model

165.

• • • • • • • • • • • • • • • • • •

Model

165

processor

storage

configurations

• •

Model

165

storage

components

and

controls

•••

Conceptual

data

flow

the

Model

165

•••••

Buffer

organization

• • • • •

Processor

storage

address

format

for

buffer

reference.

Buffer

address

format.

• • • • • • • • •

The

3330

facility.

• • • • • • • • • • • • • • • •

Top

view

2305

Model

disk

surface

••••••

.105

•

• 43

2305

Model

module.

• • • • • • • • • • • • • •

Multiple

requesting

the

2305

facility

• • • •

Tape

switching

configurations

for

the

3803/3420

Magnetic

Tape

Subsystem.

• • • • • • • •

•••

51.6

Partition

region

layout

for

7000-series

emulator

program

job

step

• • •

• • • • • • • • • • • • • • • .

Data

representation

used

Model

165

processor

storage.

Data

representation

used

Models

and

the

Model

165

other

than

processor

storage.

. 72

Model

165

fixed

storage

locations.

• •

Machine

check

code

Model

165

• • • • • • • 77

TABLES

20.10.1

20.10.2

20.10.3

20.15.1

20.15.2

20.15.3

20.25.1

20.25.2

40.10.1

40.10.2

40.15.1

40.15.2

40.20.1

40.20.2

50.10.1

Page

GC20-1730-0

Revised

11/20/70

TNL GN20-2277

capacity

and

timing

characteristics

the

3330

and

2314

facilities

and

the

2321

Data

Cell

Drive.

• • • . 38

3336

and

2316

Disk

Pack

characteristics.

• • • • . 38

Hardware

features

3330

and

2314

facilities.

• .

Effective

capacity

the

2305

Model

the

2305

Modell

and

the

2301

for

various

block

sizes

with

25-byte

key.

Effective

capacity

the

2305

Model

the

2305

Modell

and

the

2301

for

various

block

sizes

when

records

are

written

without

key.

• • • • • • • • • • • . • . 46

2305

facilities

and

2301

Drum

storage

characteristics

•.

3803

control

unit

configurations

and

capabilities

with

Dual

Density

and

Seven-Track

features

3420,

2420

and

2401

Magnetic

Tape

unit

51.5

characteristics.

• • • • • • • • • • • • • • •

51.9

7074

hardware

and

I/O

devices

supported

the

Model

165

7074

Emulator

Program.

• • • • • • • • • • • • •

7074

I/O

devices

and

features

not

supported

the

7074

Emulator

program

for

the

Model

165.

• • •

7094

hardware

and

I/O

devices

supported

the

7094

Emulator

program

for

the

Model

165

• . • • • • .

7094

I/O

devices

and

features

not

supported

the

7094

Emulator

program

for

the

Model

165

• • • • • • • • • • .

7080

hardware

and

I/O

devices

supported

the

7080

Emulator

program

for

the

Model

165

• • • • • • .

7080

I/O

devices

and

features

not

supported

the

7080

Emulator

program

for

the

Model

165

• • • • • .

Model

165

machine

check

interrupts

• • • • • •

SECTION

01:

SYSTEM

HIGHLIGHTS

The

System/310

Model

165

designed

enhance,

extend,

and

broaden

the

successful

concepts

System/360

architecture.

high-

speed,

large-scale

growth

system

for

System/360

Model 65

and

users

that

provides

significant

price

performance

improvement

without

the

necessity

major

reprogrammdng.

The

Model

165

general

purpose

system

and

offers

high

performance

for

both

commercial

and

scientific

applications.

compatible

with

the

System/310

Model

155.

Transition

from

System/360

models

the

System/310

Model

165

can

accomplished

with

a minimum

effort

because

most

current

System/360

user

programs,

I/O

devices,

and

programming

systems

are

upward

compatible

with

the

new

system.

Upward

transition

from

a Model

165

a Model

195

can

also

accomplished.

Additional

capabilities

will

added

support

new

features

the

Model

165,

thereby

providing

proven

operating

system

performance

well

continuity,.

Transition

with

little

reprogramming

also

provided

for

1051/11/111/1080,

1010/1014,

and

109/1090/1094/109411

users

who

are

presently

emulating

System/360.

Emulators

that

operate

under

control

the

Model

165

are

provided

for

these

systems.

Highlights

the

Model

165

are

follows.

• Upward

compatibility

with

most

System/360

architecture

and

programming

has

been

maintained.

•

Internal

performance

approximately

two

five

times

that

the

Model

65.

•

CPU

features

the

System/310

Model

165

are

follows:

The Model

165

standard

instruction

set

includes

new

general

purpose

instructions

addition

the

powerful

System/360

instruction

set.

These

instructions

enhance

decimal

arithmetic

performance,

eliminate

the

need

for

multiple

move

compare

instructions

move

subroutines,

and

facilitate

record

blocking

and

deblocking,

field

padding,

and

storage

clearing.

Extended

precision

floating

point

standard

feature

provide

precision

hexadecimal

digits,

equal

approximately

decimal

digits.

high-speed

multiply

feature

available

provide

faster

execution

binary

and

floating-point

arithmetic

operations.

Execution

speed

increases

factor

interval

timer

3.33

resolution

improve

job

accounting

accuracy

standard.

16.6

resolution

timer

standard

the

Model

65.

time

day

clock

included

provide

accurate

time

day

values

than

the

interval

timer.

has

a 1

microsecond

resolution.

Separate

instruction

and

execution

units

are

implemented

that

provide

overlap

instruction

fetching,

instruction

decoding,

operand

fetching"

and

instruction

execution

increase

internal

performance.

CPU

retry

most

failing

CPU

hardware

operations

handled

automatically

the

hardware

without

programming

assistance.

Writable

control

storage

(WCS)

included

addition

read-

only

storage

(ROS)

contain

new

Model

165

instructions,

emulator

microcode,

and

CPU

diagnostics.

•

Relocatable

emulators

are

provided

that

operate

under

control.

Concurrent

execution

System/370

programs

with

7000-series

programs

supported.

7080,

7070/7074,

and

709/7090/7094/709411

emulator

are

available

mutually

exclusive

basis.

• A

free-standing

3066

System

Console

required.

Its

features

are:

buffered

cathode

ray

tube

and

alphameric

keyboard

for

rapid

operator/system

communication

indicator

viewer

display

system

status

system

activity

monitor

provide,

via

the

system

activity

meter,

visual

display

average

system

activity

microfiche

document

viewer

for

use

processor

storage

configuration

plugboard

device

for

WCS

and

diagnostic

routines

•

Channel

features

the

Model

165

are

follows:

2870

Multiplexer

Channels,

2860

Selector

Channels,

and

the

new

2880

Block

Multiplexer

Channels

can

attached

for

total

seven

addressable

channels.

single

2880

channel

can

operate

a 3

rate

with

attachment

optional

feature.

The

Extended

Channels

feature

permits

Model

165

have

twelve

addressable

channels,

which

can

support

aggregate

channel

data

rate

excess

nine

megabytes

per

second.

The

2880

Block

Multiplexer

Channel

superset

the

2860

Selector

Channel.

When

used

conjunction

with

rotational

position

sensing

devices,

can

increase

total

system

throughput

permitting

data

enter

and

leave

the

system

given

time

period

than

can

the

2860.

single

2880

channel

can

support

interleaved,

concurrent

execution

multiple

high-speed

I/O

operations.

Channel

retry

data

provided

after

channel

errors

that

error

recovery

routines

can

retry

I/O

operations.

•

storage

features

offered

the

Model

165

are

follows:

two-level

memory

system,

consisting

fast,

large-size

processor

(main)

storage

used

backing

storage

for

smaller,

very

high-

speed

buffer

storage,

implemented.

The

CPU

works

mostly

with

the

buffer

that

the

effective

access

time

for

data

reduced

fraction

the

processor

storage

cycle

time.

16K

bytes

SO-nanosecond

monolithic

buffer

storage

available

(SK

standard).

The

CPU

can

initiate

request

for

eight

bytes

from

the

buffer

every

nanoseconds.

P,;ge

r.c20-1730-0

Revised i

1/20/70

TNL GN20-2277

512K

3072K

four-way,

doubleword

int€rleaved,

two-

microsecond

processor

storage

available

three

times

the

maximum

available

the

Model

65.

Byte

boundary

alignment

permitted

for

the

operands

non-

privileged

instructions

eliminate

the

necessity

adding

padding

bytes

within

records

blocked

records

for

the

purpose

aligning

fixed

floating-point

data.

Error

checking

and

cor~ection

(ECC>

hardware

that

automatically

corrects

all

single-bit

processor

storage

errors

and

detects

all

double-bit

and

most

multiple-bit

errors

standard

•

I/O

devices

for

the

Model

165

are

follows:

Most

currently

announced

I/O

devices

for

System/360

Models

and

above

can

attached.

The

new

3330

facility

available

for

attachment

2880

channels.

offers

significantly

faster

seeks

and

than

twice

the

data

rate

the

2314

facility,

than

three

times

the

capacity

the

2314,

and

automatic

error

correction

features.

The

new

rotational

position

sensing

and

multiple

requesting

capabilities

announced

for

the

2305

facility

are

standard.

The

3330

has

806

data

transfer

rate,

average

seek

time

ms,

and

full

rotation

time

16.7

ms.

800

million

bytes

can

contained

eight

drive

facility.

The

2305

facility

Models

and

can

connected

2880

channels

provide

significantly

faster

data

transfer

operations.

The

Model

has

a 3

megabyte

data

rate,

maximum

module

capacity

5.4

million

bytes,

and

average

access

time

2.5

ms.

The

Model

has

1.5

megabyte

data

rate,

maximum

module

capacity

11.2

million

bytes,

and

average

access

time

ros.

The

new

high-speed

3211

Printer

with

tapeless

carriage

and

alphameric

speed

2000

lines

per

minute

available.

The

tapeless

carriage

decreases

operator

intervention

eliminating

carriage

tape

and

unloading.

The

new

3803/3420

Magnetic

Tape

Subsystem

attachable.

Models

and

the

3420

Magnetic

Tape

Unit,

with

data

rates

120

KB,

200

KB,

and

320

KB,

respectively,

l600-BPI

recording

density,

are

provided.

Phase-encoded

recording,

which

automatically

corrects

all

single-bit

read

errors

in-flight,

used.

This

new

tape

subsystem

offers

improved

price

performance;

Dual

Density

and

Seven-Track

features

for

compatibility

with,

and

conversion

of,

2400-series

tape

volumes;

greatly

reduced

operator

handling

through

implementation

such

features

automatic

tape

threading

and

cartridge

loading;

lower

cost

tape

switching

than

currently

pro-

vided;

and

enhanced

reliabilty,

availability,

and

serviceability

features

•

Extensive

hardware

and

programming

systems

error

recovery

and

repair

features

are

provided

improve

system

reliability,

availability,

and

serviceability

•

Compact

physical

design

reduces

Model

165

CPU

and

processor

storage

space

requirements.

The

Model

165

CPU

has

three

times

the

number

circuits

Model

65,

excess

75,000

versus

25,000,

yet

a 512K

1024K

Model

165

requires

the

same

amount

space

512K

Model

65.

the

highlights

indicate,

Model

and

users

have

broader

range

Model

165

configurations

choose

from

than

before

when

tailoring

growth

system

with

improved

throughput

and

expanded

capabilities.

Otros manuales para System/370

Este manual sirve para los siguientes modelos

Tabla de contenidos

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