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IBM System/370 145 Service manual

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System/370
Model
145
Reference
Summary
S229-2239-1
IBM
Corporation,
Field
Support
Documentation,
Dept
927,
Rochester, Minnesota 55901
PREFACE
This publication
is
primarily intended for
customer engineers servicing System/370
Model 145.
Second Edition (September 1972)
This
is
a major revision of, and makes
8229-2239-0 obsolete.
Address any comments concerning the contents
of
this publication
to:
IBM,
Field Support
Documentation, Dept 927, Rochester,
Minnesota 55901
© International Business Machines Corporation 1972
Section 1 - Control Words
Branch and Module
CONTENTS
Switch Word
"O"
. . .
1.
1
Branch Word . . . . . 1.2
GA
Function Charts . 1.3
GA
Function Charts . 1.4
GA
Function Charts . 1.5
Branch and
Link
or
Return Word . 1.6
Word Move Word Version"O" .
1.
7
Word Move Word Version
"1"
. . . 1.8
Storage Word, Non K-Addressable . 1.9
Storage Word, K-Addressable . . . 1.10
Arithmetic
Word 10 Byte Version 1.11
Arithmetic
Word, Fullword Version 1.12
Arithmetic
Word,
11
Direct
ByteVersion . . . . . . . . . . 1.13
Arithmetic
Word, 10/11 Indirect
Byte Version . . . 1.14
ALU
Entry
Gating 1.15
Stat Set Symbols . 1.15
BranchSymbols . 1.15
Arithmetic
Word Chart Selection 1.16
Address Formation Chart 1.16
Control Word Chart Selection 1.16
Section 2 -
CPU
3145
CPU
Data Flow .
2.1
I-Cycles Data Flow . 2.2
I-Cycles . . . . . . . . 2.3
PSW
Locations . . . . 2.3
Expanded Local Storage . 2.3
I-Cycles . . . . . . . . . . 2.3
I-Cycles Control Line Generation . 2.4
Control Word . . . . . . . 2.4
Control Register Decode . . . . . 2.4
iii
ECCL
Board Layout
............
2.5
Data Bit Location Chart
..........
2.5
Common Test Points
............
2.6
3145
CPU
BSM
Addressing
.........
2.6
Main
Storage Frame -128K
........
2.6
3345
Main
Storage Frame -256K
.....
2.6
CPU
SAR Bits 15, 16, and 17
.......
2.6
Memory Troubleshooting Procedure
...
2.7
Example Chart for Array
Card Outputs
of
Phase
21
Memory
....
2.8
Cycle Length
................
2.9
Local Storage Timing Chart . . . . . . . 2.10
External Destination Timing Chart . . . 2.11
Gate Layouts . . . . . . . . . . . . . . . 2.13
CPU
Clock Information
.........
2.14
Trap Locations and Routines . . . . . . 2.15
Feature Code Listing . . . . . . . . . . . 2.17
Feature Code Listing . . . . . . . . . . . 2.18
Feature Code Listing . . . . . . . . . . . 2.19
Feature Code Listing . . . . . . . . . 2.20
370
Coreload Feature Part Numbers
..
2.21
370 Coreload Feature Part Numbers . . 2.22
ALO
Page
Index
.............
2.23
ALO
Page
Index
.............
2.24
ALO
Page
Index
.............
2.25
ALO
Page
Index
.............
2.26
ALO
Page
Index . . . . . . . . . . . . . 2.27
ALO
Page
Index . . . . . . . . . . . . . 2.28
ALO
Page
Index
.............
2.29
ALO
Page
Index . . . . . . . . . . . . . 2.30
Console Indicators -Logic Reference . . 2.31
Upper Roller -Logic Reference 2.32
Lower Roller -Logic Reference . . . . . 2.33
Section 3 - Console File (23FD)
Console File Control and Data Flow
...
3.1
iv
Compare Mode . . . . 3.2
Control Commands . . 3.2
Operation Commands . 3.2
Console File Disk Address (CFDA)
Byte 3.2
Console File Control Functions 3.3
CF
Error Checks . . 3.4
Byte Format . . . . . . . 3.5
Section 4 - Channels
MPX Channel Data Flow
4.1
UCW
Addressing Table . 4.2
Byte MPX
UCW
. . . . . 4.2
Selector Channel Data Flow 4.3
Standard Device
Addresses
. 4.4
Word Buffer . . . . . . . 4.4
Block Multiplex Feature . . 4.5
UCW
Pool . . . . . . . . . . 4.6
UCW
Assignment Registers . 4.6
UCW
Format . . . . . . . . . 4.6
Section 5 - Integrated File Adapter
(IFA)
IFA
Data Flow . . . . . .
5.1
General Status Indications 5.2
I
FA
In-Line Tests . . . 5.2
IFA
Information.
. . . . . 5.3
I
FA
Sense
Information . . 5.3
Control Words Forced
for
I
FA
Share
Cycles . . . . . . . . . . 5.4
IFA
Local Storage Assignments 5.5
IFA
CS
Area . . . . . . . . . . . . 5.5
I
FA
Drive Interface . . . . . . . 5.7
I
FA
Latches Logic References . . 5.8
Section 6 - Console Printers
3210 Control
and
Data Flow
6.1
3215 Control and Data Flow 6.2
Alter/Display Functions 6.3
v
Console Printer Valid Addresses
.....
6.4
Section 7 - Features Addr Adj Clock
Comparitor,
CPU
Timer
PSW
Format . . . . . . . . . . . . 7.1
Address Translate Process Overview . 7.2
Address Translate Process . . . . . . 7.3
Address Translate Process . . . . . . 7.4
Clock Comparitor CPU Timer (CPT) . 7.6
Section 8 - Software and Logouts
System/370
Instructions Set . . . . . 8.1
Information Retrieval Under DOS/360 . 8.2
Control Registers . . . . . . . .
8.4
CPU
Independent Logout .
8.5
Machine Check Interrupt Code .
8.6
Model
145
Machine Dependent
Log
. 8.7
1/0 Communications Area . . . . . .
8.9
I
FA
Extended Logout . . . . . . .
8.10
MPX
Channel Machine Dependent
Log
8.10
Selector Channel/Block Multiplex
Channel Dependent
Log
8.10
ECC
Recording 8.11
ECC
Recording 8.12
Section 9 - Power
Power Supplies . 9.2
Power Reference Manual . . . . . . .
9.3
Relay Function and Location Chart .
9.4
Initial Regulator Adjustment
for Power-Up Procedure .
9.5
Power-On Sequence .
9.6
Start
Line Tips . . . . .
9.10
System Checklist . . . .
9.10
Voltage Levels -Scoping Information
9.13
Miscellaneous Part Numbers . . . . . 9. 16
Section
10-
Micro Diagnostics
Basic Diagnostic
FLT.
.
......
10.1
vi
Basic Diagnostic Information
..
Diagnostic Functions
.....
.
Local Storage
Map
(Diagnostic) .
Diagnostic Test Listing
..
Section
11
-
Maps
External Assignment Chart
External Address Line Decoding
External Gating
to
A-Registers
FAT·
Diagnostic
Usage
Expanded Local Storage
Map
Local Storage . . . . . . . . .
Local Storage . . . . . . . . .
Control Registers Bit Definitions
Direct Addressable Control Storage
Map
...............
.
vii
10.2
10.3
10.4
10.5
11.1
11.2
11.2
.11.27
.11.30
.11.31
.11.32
.11.33
.11.36
INDEX
Section 1 - Control Words
.................
Section 2 -
CPU
.........................
Section 3 - Console File
..................
.
Section 4 - Channels . . .
.................
.
Section 5 - IFA
........................
.
Section 6 - Console Printer
................
.
Section 7 - Features, Address Adjust, Clocks
...
Section 8 - Software and Logout
...........
.
Section 9 - Power and
MST
General
........
.
Section
10
-Diagnostics
.................
.
Section
11
-
MAPs
......................
.
ix
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