IBM System/360 2050 Maintenance Manual page 28

Processing unit
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Op 1 1ROSDR 6-17)
Grl
Op 5 !Next ROS Adrl
Gr5
OR
Group H
(6-17)
BH81 I
OR
Scan Bus <0-31)
r
r-
A
Op 4 !Previous ROS Adr)
Gr4
OR
Group K
Op 5 1Cunent ROS Adr)
Gr5
(6-17)
Op I <ROSDR 18)
Gr 1
8HB01
BH821-831
[
OR 1 ~ RScan
liits (0-3()
. . . 8H851-881
cru•2
lndicatol'l
(0-3!)
BH851-881
H
~;~~rotor}..+--~
~
8H921-951
t-
*Scan---.. 0*
Op 10 •SAR, Etc.)
Gr 16
OR
OR
BH06!..:::l.
( 0 _ 35 )
Gated
BHlOl-121
Scan Bits
_s:tf
A
Op 11 IL Reg/
Gr 17
Op 15 <H Reg!
Gr21
GroupG
g
OR
!0-35)
I
-~
r
BH061
Op 16 IM Reg)
Gr 22
Group
1---I---1~
I
o' : 3i"
r
~--'-~---------1 Group A
A/G
CPU
r
1
~
Op 17 1R Reg/
Gr 23
(0-35)
Indicators
~
......-,;--i
Op 31ROSDR 56-87)
L J - R
!0-351
BH
7
~
1 I--
Op 4 IROSDR 88-97)
BHl41-191 BH211-241
BH211-241
~
Op 13
Fold Bit
Op C t Ecror Q.eg)
8 to Adder lotc.h
B
Reg
1
r8H791
L'()R
fold
~or
ROSDR Group 4
r - r i
8H061
Gr 12
1----~C_H_A_L_P~o_ri~ty'------------'~ ~1
1-
4 Bits
A
GHIO! FLT Load
'()i!"'
CHAL
OR
Goted
Scan Bits
(0-31)
Group C
GL181
GH10111---,._ _ _
r~~~~;tors
I
r
~
36 Bits
1
OR
C Reg
r-
BH741-791
Misc Reg
Control Reg
Contra! Reg
Selector
Channel
Storage
Doto
Register
(0-35)
BAOOl-312
Parity Biti
V
4
Generated
r:::--
( 4
l
O
Lth
Gate Log Word
!
1-6)
PROOJ-031
n_
r--;;-
GPIOI
Logout Pos
rr-
- - -
36 Bits
..
OE
& L o g Parity
~--~~----.!~-------1~
f--i
32 Bits
·
I
r-._K~
R .. etFLT
I -
~A
4 CHAL Parity
Log Gort: Cunhv!
Seq Ctr Mode
.r-Al
FLT Load
Log Tgr Off
l
j
Op 12 ISel Chi
Gr 18
~--------------<~
Op I iROSDR 0-5, 19-311
Grt;:
OR
OR
Op
2 IROSDR 31-55)
Gr 2
Group 8
Group
Op 18 ILSAR, LSFR)
Gr 24
(0-31)
8/0
Op 14 (Stats/Counters)
Gr 20
lnd1coton
BH601-651
OR
[
CPU=! 2
]1(Bits6-19,311Gr 20
132-351
(Bits 0-5,20-30)
j_i;fil
Group D
Gr 5
10-5, 18-31
Sc:on Bits
(0-31)
Op 5 (lrpt Reg)
Ji-
18 -;-,.- 0 -,- 1 , - 18 -_- 3 - 11 -<8H671-681 BH70J-721
Op 19 (Mpx Ch Group 11
Gr 25
OR
OR
Group
J
Op 18 (Mpx Ch Group 3\
Gr 27
10-23)
BH341-351
OR'ed
Op lA (Mpx Ch Group 2)
Gr 26
OR
Sc on
Gr 28
Groups E/F
Op IC {Com Ch Group II
Group E
(0-231
Op lD !Com Ch Group 2)
Gr 29
(0-23)
Op IE !Com Ch Group 3)
Gr 30
BH301-331 8H41 l-431
FIGURE 13. SCAN-OUT/LOGOUT, LOGIC AND INDICATORS
-
Bib
BH601
t-
:I
Mp~/Com
Ch
J
lndicaton
(9-23)
8H41 l-431
Lr--o
Stotus =Unit Ck
FLT
Load
Check
Retry
Lth
NOTES:
l. Op
refers to
the op code in the FLT
op
reg.
2. Gr refen to
line nornes in
the ALO's.
Maintenance Features
(3/71)
27

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