Service Manuals, User Guides, Schematic Diagrams or docs for : IBM 360 fe 2050 Z22-2855-1_360_50_FE_Handbook_Dec65
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download Z22-2855-1_360_50_FE_Handbook_Dec65 documenatation <<
Text preview - extract from the document
ll) ~5llir Field Engineering
Handbook
IBM Confidential
System/360 Model 50
IBM Confidential
l? 'iC)o 'IY.7
L!,.!E)l.M!,
(!)
Field Engineering Handbook
System1360 Model 50
IBM CONFIDENTIAL
This document contains information of a proprietary nature.
ALL INFORMATION CONTAINED HEREIN SHALL BE KEPT
IN CONFIDENCE, None of this information shall be divulged
to persons other than IBM employees authorized by the nature
of their duties to receive such information or individuals or
organizations who are authorized in writing by the Systems
Development Division in accordance with existing policy re-
garding release of company information.
MAJOR REVISION (December 1965)
This edition, Form Z22-2855-1, is a major revision
of Form Z22-2855-0, which it obsoletes.
Address comments concerning the contents of this publication to:
IBM Corporation, FE Manuals, Dept. B96, PO Box 390,
Poughkeepsie, New York 12602
CONTENTS
MACHINE VOLTAGES PRESENT WITH POWER OFF OR WITH DC OFF
List of Model 50 Manuals
CPU . . . . . . . . .
Data Flow . . . . . . .
ALD Page Index . . . . .
Control Field Chart Page Index 20
Basic Timings for 2050 Processing Unit 21
Board Locations in Gates 23
Error _Register 23
Board Layouts 24
CONSOLE . . 26
Common/Multiplexor Channel Roller - Left Side 26
Common/Multiplexor Channel Roller - Right Side 27
Selector Channel Roller - Left Side. 28
Selector Channel Roller - Right Side 29
CPU Roller #l - Left Side. 30
CPU Roller #1 - Right Side . 31
CPU Roller #2 - Left Side 32
CPU Roller #2 - Right Side . 33
Indicator Latch Location Table 34
FLT Scan Log Decoder 39
MAIN STORAGE. . . 41
Logic Flow. . . . . 41
Main Storage Timing 43
Arrangement of Units of storage. 44
Cable Color Coding. . . . . 44
Storage Arrays . . . . . . 45
storage Array End Board D1. . 46
storage Array Interface (Board Dl) . 47
Main Storage Functions of Addressing Bits 49
Address Bits 13 and 14 Relationship to Strobe -- Inhibit Segments,
planes and Addresses . . . 50
Local storage Address Segments 50
BUMP STORAGE. 51
Subchannel Word Format . . . 51
LOCAL STORAGE . . . . . 52
Functions of Local Storage Addressing Bits 52
STORAGE PROTECT . . . 53
Storage Protection Addressing 53
Storage Protection Data Flow 54
Storage Protection Logic 55
READ-ONLY STORAGE 57
CROS Logic Flow 57
Binary Decode of ROAR to 1 of 64 Drive Lines . 58
Binary Decode of ROAR to Select Lines 59
CROS plane Locations - Top View 59
Read-Only Address Register . 60
POWER SEQUENCING. . 61
Power-On Sequence Chart 61
DC Off Sequence Chart 63
CHANNELS 64
Selector ChalUlel Latches 64
WCC Requests to the Common Channel 67
CECC Requests to the Common Channel 68
Common Channel to CPU Replies 69
CSW Data for "Load 64" 72
Multiplex Channel Error Handling 73
Selector Channel Error Handling 74
IBM CONFIDENTIAL
MACHINE VOLTAGES PRESENT WITH POWER OFF OR
WITH DC OFF
1. 208 vac In the power control compartment
On the contactor gate
At the CE panel circuit breakers
At the convenience outlet transformer
2. 115 vac At the convenience outlet transformer
At relays 49, 50, 51, and 52
3. 48 vdc On the relay gate
On the contactor gate
On the CE panel
On the 48v bus
On all thermals
On all power supply terminal hoard positions
7, 8, and 9
4. 24 vac In the power control compartments
On the relay gate
On the contactor gate
At the console emergency off switch
LIST OF MODEL 50 MANUALS
Form
Number
S/360 Model 50 Comprehensive Introduction, FEMI 223-2821
S/360 Model 50 Functional Units, FEMI 223-2822
S/360 Model 50 Capacitor Read-Only Storage, FEMI Z22-2823
S/360 Model 50 RR/RX Instructions, FEMI Z22-2824
S/360 Model 50 RS/SI/SS Instructions, FEMI Z22-2825
'S/360 Model 50 Selector Channel, FEMI Z22-2826
S/360 Model 50 Multiplexor Channel, FEMI Z22-2827
S/360 Model 50 Main and Local Storage, FEMI Z22-2828
.s/360 Model 50 Power Distribution and Control, FEMI 223-2829
S/360 Model 50 Features, FEMI Z22-2830
S/360 Model 50 Appendix, FEMI Z22-2831
S/360 Model 50 Maintenance Manual Z22-2832
S/360 Model 50 Diagrams Manual Z22-2833
4 S/360 MODEL 50 IBM CONFIDENTIAL
SYSTEM/36Q MODEL 50 DATA FLOW
-ll
!
,,! !
=i~~~~;!ol
I
I
1
'I1
'--'~~---"I
I I
~~~I_---,-
I I
I
~,~':F I I
I
I J
I
L ________ _
ALD PAGE INDEX
ALD Page Index
8-Bit Parity Shifted Four APlOl
8-Bit Parity One Bit Corr API 11
4-Bit Parity Gen APOOI
A Br Cond Logic KK241
A Br Cond OR 0-39 KK201
A Br Cond OR Extra Conds KK251
A Br Terminator Pwring KK261
A Clk Ctl GAlOl
A Clk Drvrs GAllI
Adder Lth 20-31 Ovflo Set KC4ll
Adder Lth 0-20 Set KC401
Adder Lth To Chan Drvrs BBOOI
Adder Output Lths BAOOI
Address Cmp Ctl GR 151
Address Keys PAll1
Address Prot Rcvrs KS041
Addtnl Sets For Clk Stat Tgrs KT231
All Ones & All Zeros Test of SDR KT521
B Br Buffer KK271
B Br Immed Cond Gting KKl71
B Chan Intrpt KE141
B Clk GAl21
B D4 Clk KC251
B Reg GH101
B Reg Gting GM101
Bfr 1 & 2 FAOll
Bfr 1 & 2 Inputs FA001
Bfr In Bus Output Psns FA041
Bfr Ont Lth Ctl FA052
Br Cond Terminators KK581
Br Reg FA063
Break In KE301
Break Out KE321
Bump Addr Parity Gen RA071
Bump Address Parity Gen RA071
Burst Mode Lth FA311
Bus In Sws KE751
Bus In-Out Gting GN101
Bus Out Lths FA051
Byte Ctr GR131
IBM CONFIDENTIAL S/360 MODEL 50 /
ALD PAGE INDEX (Cont'd)
ALD Page Index
Byte Ctr Funct CtJ DS311
Byte Ctr Mod GR141
Byte Ctr Parity AWOOI
Byte Stat 3 KSOll
Byte Stat 0-2 KSOOI
Byte Store Stats KS021
Byte Store Stat CtJ KSOll
C Reg GHlOl
C Reg Gting GM121
C Reg Set GMlll
Carries From Hi-Order Grps ANI0l
Carries From Lo-Order Grps ANl11
Carry Grps ANOOI
Carry Stat KS231
CCW 1 & 2 Sec 1 & 2 GF131
CE Cons Sws & Stat Sets KS191
CE Sw CtJs KK701
CE-Cust Mtring PK061
CE Sync Box PK062
Chan 1 Priority Reg KE221
Chan 2 Priority Reg KE251
Chan 2 Priority Determ KE261
Chan 3 Priority Reg KE271
Chan 3 Priority Determ KE281
Chan Bfrs KE341
Chan Cks GEI0l
Chan Conds To A Br Fld A KK191
Chan CtJ Sws KE761
Chan Log Out Test Ctls KE501
Chan Mask KEl11
Chan 0 Priority Reg KE201
Chan 0 Priority Determ KE211
Chan Scan Conds To A Br Fld B KK291
Chan Sel PK081
Chan Selection Lths KE021
Chan Selection Decode KE031
Chan Status Parity Gen GE131
Chan Stg Prot Bits RP211
Chan Sw KE891
Chan to Adder Lth Terms BCOll
S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
ALD Page Index
CHOB Parity Xmit BH731
Clk Dist KC441
Clk Dist B-O 1 KE921
Clk Dist B-C2 KC931
Clk Dist B-B2 KE941
Clk Dist E-C2 KE951
Clk Dist Mise KC101
Clk Dist Revrs KC301
Clk Dist Revrs KC431
Clk Dist 01C-B3 KC442
Clk Dist 01 C-C3 KC451
Clk Pulse Shapers KC021
Clk Pwring For Dir Ctl JC021
Clk Pwring KH951
Clk Reg CPU KC351
Clk Status Tgrs KT211
Clk Status Tgr Reset KT221
Clk Timing KCOll
Cmp AOB & IAR For Rftch Turn-Ou CA231
Cmp ROSDR & Chan Bits KE502
Corn Chan Lines 1 GDlOl
Corn Chan Lines 2 GDl31
Cond Codes GDl41
Cond Reg RPOll
Cond Codes 0-3 Reset DTC FA321
Cons PB Term KS711
Cons SW Terms KS701
CPU Stg Prot,Bits RP201
Ctl Lth 3 GG131
Ctl Lth 1 GFlll
Ctl Lth 2 GF161
Ctl Status Logie KT151
Cycle Ctr Reg GAl31
Data Ck Lth FA381
Data Key 20-31 Term For ROS Addressing KK281
Data Keys PD001
Dee Corr & Carry Error AQ201
Dir Data In Lths JDOll
Dir Data Out Reg RZOll
Dir Data Signal Inputs KS631
IBM CONFIDENTIAL S/360 MODEL 50 9 /
ALD PAGE INDEX (Cont'd)
ALD Page Index
Dir Timing Signals Out JTOll
DTC Ctl KE441
Dummy Error Reg KT04l
Dupl Tgr Pos 345 KL04l
Edit Decode KP04l
Emit Fld Decode 0-7 FA18l
Emit Fld Lo-Order Decode RK303
End Up GGl6l
End Up Intrpt GGl7l
Entry Bus In-Out FA451
EOR Ctls GC15l
ER & Gating To BC GClll
Error Chan DE551
Error Ck Logic KT05l
Error Ctl KE531
Error Intrpt Logic KT06l
Error Intrpt Logic KTlOl
Error Pending Tgr KT08l
Error Reg KTOll
Error Type KE541
Exp Funct Reg REOOI
Ext Chan Inds GPlOl
Ext Chan Log Out GPlOl
Ext Chan Reset GE19l
Ext Intrpt A Br Logic KS291
External Ctl Inst Handling GFlOl
F Reg RFOOI
F Reg RFOOI
Final Scan Decode KH12l
Final Scan OAI BH12l
Finish Lth GB16l
Fixed Addr Gen KK611
Fl Reg GC16l
FL T Binary Tgr KH211
FLT IPL Intrfce With Chan KH551
FLT IPL Secondary Seq Stats KH345
FLT IPL Seq Ctls KH511
FLT Prog Load Ck KI1555
FL T Stg Intrfce KH552
Four Bit Parity Gen APOOI
10 S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
A!& Page Index
Funct Bit Pos 0-3 KKOll
Function Bits 0-3 KK021
GI & G2 Ctr Zero Conds KK571
Gl Ctr KK551
G2 Ctr KK561
Gate Status KE671
Gate to Com Inds Or Scan Out BHOll
Gating For Com Inds BH041
Gating For Rtne Req Bfr FAl61
Gating To LS Ctl KL051
Gen Byte Ctr & 4-Bit Parity AWOOI
Gen LSAR Psns 2-5 KLOll
Gen Lthed WO-7 Parity AWOll
Gen W Pos 0-7 AVOOI
GP Stats KS041
Grp A Ind Drvrs BY211
Grp C Pwr Gting BH061
Grp G Ind Drvrs BY2ll
Grp H Bit Xmit BH821
H Reg RHOOI
H Reg Set KC222
Half Add AMOOI
Half Sum Ck AQOOI
Halt I/O GSl51
Halt Tgr KS721
Hdw Address Ctl CA241
Hdw Traps KK711
Hold Sence Tgr JCOll
HS Option Bus In XAl31
HS Option Bus Out XAl61
HS Option In Tags XAOOI
HS Option Out Tags XAlll
HS Option PCI BChl XAl81
HS Option Polling XAl91
HS Option Straight Thru Lines XA211
IA Ctr Bit Carries CAl81
IA Ctr G Ting CA211
IAR & Ctr CAllI
IAR Inds PPlll
IAR Parity CAI7l
IBM CONFIDENTIAL S/360 MODEL 50 11
ALD PAGE INDEX (Cont'd)
ALD Page Index
Ie Parity Prediction CA191
IC Parity Predict CA191
ILC RP001
In TSG Lines FA351
Inst Ctr & SAR Ctl CA221
Inst Ctr Ctl KP012
Inst Reply 0 & 1 KE051
Inst Reply Tgrs KE061
Inst Reply Tagq KE071
Inat Start GF121
Interv Timer 50-60 Cycle Clk KS252
Intrfce Bus Byte Gates GN191
Intrfce Bus In Gting FA002
Intrfce Bus In & Out FA451
Intrfce Byte Parity Ck GT101
Intrfce Cable Exit FA451
Intrfce Cable Entry FA451
Intrfce CDA First Byte Lth GT161
Intrfce Log Out Ctl Diag Mode FA153
Intrfce Out Drvrs GS131
Intrfce Out Tag Ctls FA152
Intrfce Parity Gates GT111
Intrfce Poll Ctl GR121
Intrfce Reg In Tags KE831
Intrfce Reg KE841
Intrfce Reset GS151
Intrfce R/W 1-4 GT121
Intrfce Stop GV101
Intrfce Unit Sel GV121
Intrpt Bfr Full Tgr FA331
Intrpt Reg KS271
Intrpt stats KS251
Invalid Digit Test KPOll
I/O Adder Lth Tests KE401
I/O Break In Dist KU001
I/O Byte Ctl Rcvrs KS041
I/O Inst Reg KEOOI
I/O Mode & CPU Mode Diat KU101
I/O Mode Stat KS261
I/O Reg RL111
12 S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
ALD Page Index
I/O Rtne Mode KE311
I/O Stat Ctls FAOSI
I/O Stat 4 + HS Ch Stat KE191
I/O Stats KE151
I/O Inst Dist KEOll
J Reg RJOOI
J Reg Ck RJOll
L & R Sign Stats KS201
L Byte Address Ctr CLOOI
L Reg RLOOI
L Reg 1-7 To Adder Lths BA501
L Reg Set KC201
Late Reg Clk Dist KCOSI
Length Crts KK551
Length Ctr 1 CGI0l
Length Ctr 2 CG201
Length Ctr I Funct Ctl DS301
Load MC Lth PL031
Load Unit Addr Ctl PL011
Load Unit Addr Ctl PL1ll
Log Ctl KE621
Log Ctl 1-2 GDI0l
Log Ctr Decode KH361
Log Ctr Sel KH351
Log Ind Chan Ctl KE631
Log Indicate Words 1-6 KE601
Log Out Log-Out Ctl FA341
Log Out Parity Gen BH921
Log Out Reg KE661
Log Reset KE671
Log Scan-Scan IPL Ctr KH341
LS Addr KE371
LS Ctl KE471
LS Full B Full GCI71
LS Funct Reg & LSAR Pos 0-1 KLOOI
LS Outgt Ctl KL061
LSAR Parity KL041
LSAR Parity Ck KL042
Lth Clk Dist KC091
LW Reg GC141
mM CONFIDENTIAL S/360 MODEL 50 13
J
ALD PAGE INDEX (Cont'd)
ALD Page fudex
M Byte Address Ctr CM001
M Byte Ctl-Byte Ctl KK551
M Reg RM001
M Reg Set KC211
Mach Resets PK051
Mach State Mask Reg RPOOI
Maint Cons PB Ctls PK001
Maint Cons Ctl Sws PK041
Maint Cons Stg Test PK071
Maint Cons Roller Ident PL041
Maint Cons PS121
Maint Cons Sw futegrators BH071
Maint Panel Termination KT301
Manual Ctls KE781
Mask Reg RP001
MD Ctr KK561
MD Ctr CD001
MD Ctr Zero Cond KK571
MD Funct Ctl KS311
Mem Byte Bkwd Sw KE391
Mem Byte Ctl Reg KE3S1
Metering In-Out FA471
Metering Logic KE9S1
Mover Bits For Chan BWOll
Mover Br Conds KP021
Mover Funct Reg-WGN KQOOI
Mover Funct Reg Decode KQOll
Mover Parity Ck AW021
Mover U Ingt Ctl DS001
Mover V Ingt Ctl DS021
Mpx Bfr In Bus Term BWOOI
Mpx Ctls FA251
Mpx 1/ a Byte Stats FA331
Mpx 1/0 Stats FA091
Multi-Purp Lths GA141
Normal Intrpt KT111
OC Lth PL031
OCP Inds PK101
OCP Sws + Inds PLIO 1
One Syllable Op Stat KS221
14 S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
ALD Page Index
Op Cons Load Unit Address Sws PLOOI
Op Reg GC13l
OR AND Ind Of Grps E + F BH411
OR B Br Bits XO x Xl Early Conds KK14l
OR B Br Bits Xl X2 Early Conds KK151
OR B Br Bits X2 X3 Early Conds KK161
Oscillator ~COOI
Out Tag Line Address Out FA13l
Out Tag Lines FA141
Outgt To Left Adder Input BXOOI
Outgts To Right Adder Input BYOOI
Outgts To Left Mover Input BUOOI
Outgts To Right Mover Input BVOOI
Ovflo Lths RFOOI
Parity Ck ROS Gt Bits 6-18 + P RA071
Parity Gen For Bump Address RA071
Parity Gen For Log Out BH921
Parity Predict For IC CA19l
Pass/Fail Tgr KH321
PC 1 GG181
PCI Ctls KE131
Poll Ctl FA341
Pos 1-3 First Drive Decode KK331
Pos 4-5 Second Drv
Pos 4-5 Second Drive Decode KK371
Pos Reg GB181
Prelim Scan Decode KHll1
Priority Suppress
Priority Suppress Chan 0 + 1 KE241
Priority Suppress Chan 2 + 3 KE291
Proceed On Intrpt Lth KEIOI
Prog Lth FA371
Prog Scan Ctl KE701
Prog Scan Stat KH321
Prot Ck Lth FA371
PSW 12-15 KS261
PSW Reg RPOOI
R Reg RROOI
R Reg Set KC221
Read Sec 1-3 GGlOl
IBM CONFIDENTIAL 8/360 MODEL 50 15 )
ALD PAGE INDEX (Cont'd)
ALD Page Index
Refetch Stat KS211
Reg CPU Clk Dist KC051
Reg MM Clk Dist KC071
Reg Sup Clk Dist KC041
Req Reg GBI0l
Req Reg Pri 1-3 GB141
Req Reg Stats GB121
Req Reg Xfe r Ctl GB171
Reset KE901
Rmem Early Decode Stg Hldoff DR201
ROAR Double Backup KK312
ROS Adder Ltb to Ingt Ctl DR111
ROS Adder Lth to Ingt Ctl 1 DR091
ROS Address Ctl Decode KK002
ROS Address Ctl Fld KK003
ROS Address Cmp KK461
ROS Base Address KK301
ROS Ctr Ctls DS301
ROS Drvrs KK381
ROS Funct Ctl DS311
ROS Gt Bits 6-18 + Parity Ck KK072
ROS Gting To T Ctl DR041
ROS Ingt Dist KC121
ROS I/O Mover Destin DS211
ROS Mover Output Ctl Decode DSlOl
ROS Outgt Dist KC111
ROS Second Drive Decode KK341
ROS Sel 16-21 KK061
ROS Sel Lines 0-10 C-13 KK052
ROS Sel Lines 11-21 C-13 KK062
ROSDR 75-80 Stat Setting Decode KS511
ROSDR Adder Gate Bit Ck RK059
ROSDR Adder Gate Bit Ck RK081
ROSDR Adder Gate Bits RK211
ROSDR Adder Gate Bits RK311
ROSDR Adder Left Input Ctl DROll
ROSDR Adder Right Input Ctl DR021
ROSDR Adder Funct Ctl DR031
ROSDR Address Gate Ck RK042
ROSDR B Br Cand Pas 0-1 KK511
16 S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
~ Price Index
ROSDR B Br Cond Pos 2-4 KK521
ROSDR Bits 81-89 Ck RK071
ROSDR BR Bit Ck RK061
ROSDR Decode Pos 49-51 Mpx Gt Ctl FA071
ROSDR Decode Pos 56-58 A Br Cond X KK531
ROSDR Decode Pos 59-61 A Br Cond Y KK541
ROSDR Input Output Clk KC371
ROSDR LS Bit Ck RK041
ROSDR LS Br CE Stat Bits RKll1
ROSDR LS Br CE Stat Bits RK301
ROSDR Mover Gate Bit Ck RK024
ROSDR Mover Gate Ck RK057
ROSDR Mover Gate Bits
ROSDR Mover Gate Bits Ck Bk058
ROSDR Mover Gate Bits RK101
ROSDR Mover Gate Bits RK121
ROSDR Mover Gate Bits RK221
ROSDR Parity Ck Ram Gt KK071
ROSDR Pos 12-15 KK001
ROSDR Pos 49-51 44-46 Mpx Gt Ctl FA061
ROSDR Pos 78-83 B Br Conds RK341
ROSDR Pos 84-89 RK351
ROSDR Psns FA062
R/W Direct Sig JCOll
RSM Sel 0-15 KK051
Rtne Bit Decode 0-7 FA201
Rtne DTC KE451
Rtne Gen A-F FA231
Rtne Quadrant Decode FA191
Rtne Req Bfr FAl71
Rtnes AO-A7 BO-B7 FA211
Rtnes CO-C7 DO-D5 FA221
SAR RA002
SAR Invalidity Ck RA041
SAR Parity Ck RA051
SAR Set KC241
Scan A + B Br Bits K1I921
Scan Bits Grp B Or D BH701
Scan Ctl Seq K1I231
Scan Ctls KK711
IBM CONFIDENTIAL S/360 MODEL 50 17
I
ALD PAGE INDEX (Cont'd)
ALD Page Index
Scan Decode For Sel Chan KHl51
Scan In Ctl For Mpx Chan FAl62
Scan Insert to ROS Address KK081
Scan IPL KE871
Scan Out Grp A BHl41
Scan Out Grp B BH601
Scan Out Grp C BH741
Scan Out Grp D BH681
Scan Out Grp E BH301
Scan Out Grp G BHIOI
Scan Out Grp H BH8Il
Scan Out Grp J BH341
Scan Test Ctr KH3Il
SDR & Lths BAOOI
SDR All Oues All Zeros Test KT521
SDR Indicators PPOIl
SDR Termination KH342
Set F I/O + Q Regs KC231
Sel Chan Ctl Gates KK601
Sel Chan Ind Drvrs PROOI
Sel Out Line Ck GRIOI
Set Log Reg KE651
Set Lth KC261
Set Lth I Reg KC281
Set Lth ROSDR Outgt Clk KC271
Set Lth ROSDR Ingt Clk KC291
Sflpt Stat Setting KSl81
Shifted Sum Zero Test KKlOI
Sim ul Bus In Chan 2-3 KE851
Simul Ctls Chan 2-3 KE861
Simul Intrfce Data Reg KE801
Sim ul Priority Chan 1-3 KE721
Spec Carries AN081
Spec Log Ctl Decode KH371
Spec Purp Lth Dl D2 GAl61
Sprvsry Ctl Logic KT251
Sprvsry Ctr Inh Pwring KT271
Sprvsry Stat KH321
Stat Setting Zero Tests KS241
Stat Setting cn Line Gen KS601
Stg Hldoff Clk Inh Tgr KT215
18 S/360 MODEL 50 IBM CONFIDENTIAL
ALD PAGE INDEX (Cont'd)
ALD Page Index
Stg Hldoff Ctls KC511
Stg Prot Gting RP22l
Stg Ripple Logic KT50l
Stg Timing Ring KC50l
Sum Ck AQlOl
Supp Out Ctl GRlOl
Switchable Indicators PSOOl
Sys Mask RP03l
Sys Heset and Xmit Logic KT311
Tag GT Gen GRlll
Time Out + Foul KE09l
Timer Update Sig KS251
Turn Off Start II 0 KH521
Unit Address Sws To FLT IPL KH561
Unit Status Decode GSI0l
VFL Lth Set KC421
VFL Sign KPOOl
WCC P CECC KE081
WFN Decode KQOll
Wr Sec 1 00141
Wr Sec 2 GG151
Wo-7 Parity AWOll
XG Parity Insert BX041
Y Parity Insert BY041
IBM CONFIDENTIAL S/360 MODEL 50 19
)
'"
o Edge
Char Format Sym Fld ~aml:'
CE
Pagp
E [binary] CE Control Emit Data 106
.
0000
A [RRRJ:<: [LLLJ [TTTJ H HY Right Inpllt to Adder Y 107
TC* True - Complement Control 107
[ LX Left Input to Adder [XG] 107
T TR Adder Latch Destination 10:2
[UUUUJ 0' [V-VVV-VJ U AD' Adder Function 107
V AI, Shift Gate and Adder Latch Control 104
B [GGG] U G LU Mover Input. Left Side LU 101
CBBBJ-V B MV Mover Input. Right Slde
tVJ
V 101
[CecJ WL [DDDJ-WR C UL' Mover Action 0-3 106
D UR' Mover Action 4-7 106
W [FFF] 0' W [FF] [FFF F WM Mover Output Destination 105
SEMT RY (or SDR Parity Bits to CE Bits) 107
D [AAAAJ [TTTTJ A AL Shift Control and Adder Latch In Gate 104
T TR Adder Latch Destination 10:2
[xJ -LB, MB, MD or X UP' Counter Function Control 105
LB, MB, MD.!:[ xJ LB LB Select L Byte Counter 105
MB MB Select M Byte Counter 105
MD MD Select MD Counter 105
L
gtW-1
[WWWJ
ADDER
LSA
0' J
W
DG
WS'
Length Ctr and Carry Insert Ctrl
Local Storage Addressing
105
103
[' SSSJ - LS or LS -[sssJ S SF' Local Storage Function 103
S 1A:Q'zj:_A or Z IV Insn Address Reg Control 103
IA+ [Z -A IA
HA A TR Adder Latch Destination 102
SMIF ZN (Suppress Memory Insn Fetch) 101
C
.L~/Z( IVD Z IV Invalid Digit Test 103
IA' zJ or IA. [Z/Z]
All others SS Stat Setting and Mise Control 111
R CMMM ROAR or SCAN M ZF Function Branch Control 101
-- [PJ QI [pop A 0' B
All others on J.-t. R line
P ZN'
AB
ROS Address Control
~ndition Test (Left~)
101
'!L
BASIC TIMINGS FOR 2050 PROCESSING UNIT
o o
o 500 500 500
CPU Time~O 500 1000 1500 2000
Reg Set
Late Reg Set
Err Reg Set
Latch Pulse
Mem Sel
R/W Lth
X R/W Lth
Y R/W Lth
Sense
Strobe
(Access) Set
Set AOB Lth
Start Mem
Set LAR
Set Read Drvr
Set Wr Drvr -I
Strobe I
I
Reset SA's 1-
Drive Strobe
.Array Drive
Sense Bit
Strobe
Sense Lth
Reset SAL
Strobe
Bit
Read Gate
Set Drvr
Sample Drvr
IBM CONFIDENTIAL S/360 MODEL 50 21
BOARD WCATIONS IN GATES
Pin Side Pin Side
4
A
Gate
ERROR REGISTER
Bit Error Indicated
o Half-Sum 0-7
Half-Sum 8-15
Half-Sum 16-23
Half-Sum 24-31
Sum 0-7
Sum 8-15
Sum 16-23
Sum 24-31
Carry
L Byte Counter
10 M Byte Counter
11 MD Counter
12 Length Counter (G 1)
13 Length Counter (G2)
14 Mover Left Input
15 Mover Right Input
16 Mover Output
17 Storage Address Register 8-15
18 Storage Address Register 16-23
19 Storage Address Register 24-31
20 ROO 1-30
21 ROS 32-55
22 ROS 57-89
23 SP Check
24 LeS Check
25 Spare
26 Log Request
IBM CONFIDENTIAL 8/360 MODEL 50 23
BOARD LAYOUT (SHEET 1 OF 2)
HINGE
GT A- A C D
GI & G2
12 ROSDR B;ts
F& Q
A&B SAR-IAR LTH & SDR Valid Digit
Reg 5 ROSDR
Branch Chon to 0-15 Test
Control Ad, Lth HRegO-15
Bits Direct Cntl
Gote Into L & H
Mover (ntl
antral
ROS Decode
A&B Adde, 0-15 LTH & SDR MDCtr
VFL Sign
Branch & Half Sum 17-31 W Parity
VFL Invcl id
Adder Test Chk 0-15 H Reg 16-31 W Checking
Mover Sr
Gt Into Reg BAL & BAM
Mover & Lth
(ntl WFCN
Adde, 16-31 Mpx 8fr in Bus
Adr Lth to LS Cntl
Stats Half Sum Term Mover
Chan LS Ad, Chk
Chk 16-31 Left &
Full Sum Chk Mover Edit
Right Gts
M Reg J Reg
Stot & Emit Field
~ S9 S9 y
l Reg LSAR
4 Feature X&Y
R Reg Local Store LSFN
Control Gating
GT - C A C D
CROS
Logic
CROS
Gate-D Has Only Q Top Portion and
It is Port of eROS
CROS
Logic
CE Panel
ROAR CROS CROS CROS
Mixing
Backup Control Control Control
Board
~-
CE Panel Chon
Mixing To 1052 1052
Board Chan Adopter Adapter
Adapter
24 S/360 MODEL 50 IBM CONFIDENTIAL
BOARD LAYOUT (SHEET 2 OF 2)
HINGE
GT- B A C D
MS Ripple Inst etr
Mpx Mpx Common Test Storage Supervisory
Chan Chan Chan & Timing Cntls
Holdoff
Mpx Mpx Common Supervisory Supervisory
Chan Chan Chan Cntls Cntls
Selector Selector Selector
Hi Speed Central
Chon Chan Chan
Adapter Clock
I I I
Selector Selector Selector Selector
4 Chan Chan Chan Chan
I I I I
GT - E A C D
Sel Chan Sel Chan Sel Chan
I
3 3 3
Sel Chan Sel Chan Sel Chan Sel Chan
3 3 3 3
Sel Chan Sel Chan Common Sel Chan
2 2 Chon 2
Sel Chan Sel Chan Sel Chan Sel Chan
2 2 2 2
IBM CONFIDENTIAL S/360 MODEL 50 25
(')
'"
co
~
:;::
~
'"
co ~
..
:;::
0
;;:: c
~
t"' .."'.,
::l
'"
0 ><
~
(')
0:
iZ
..
t:i
:>:J
..
g
.,
..,
:>:J
63
;;::
.,
..
>-l
n
~
~
l'-l
>
t"' I
I BUS OUT I CHECKS I
4 I 5 I 6 I 7 PGRM I ~:g;
,
6 ill
~I I I I I I I I ' II
(ONSQI f-:
'"
co
'"
"-
'"
'"
0
iii: CO
0:
0 >
~ z
Z
t-<
on
0
'"
t-<
:xJ
0
t-<
t-<
'"
:xJ
t-<
''""
..,
s'"
'"
til
iii:
(')
0
z
~
l'J
..,
Z
s;:
t-<
rn
til
;;;: '"
t-'
(") '"
(")
0
z '"
~
'"
s
t'l
(")
0:
:>-
Z z
g z
'"
t-'
t"'
"
0
t-'
t-'
'"
"
E!l
◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo