IBM System/360 2050 Maintenance Manual page 24

Processing unit
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,-----
Storage locations
Full
Channel
Only
FLT
CPU Mode
Seq Ctr Value
Data Stored••
Logout
Logout
Scan-Out
0
SOR (data
and
parity)
BO
Sequence
Count~r
4
Storage Address Register
B4
6
Instruction Address Regi5ter
BB
----
0
Read Only Storage Dato Register (0- 30)
BC
1
Read Only Staroge Data Register (31 - 55)
90
Main Store
2
Read Only Storage Doto Register (56- 87)
94
3
Read Only Storage Dato Register (88 89)
9B
4
Read Only Storage Address Register
9C
Scan/ Log
Decoder•
-
Test Word 13 (aetuol response odr)
-
80
-
Ieit Word 14 (mask adr)
-
84
oc
Error Register
AO
88
02
Mover Function Register
A4
8C
05
Current ROS Addren (PSW 32 - 39)
A8
90
14
Byte Countert, General Purpos.e Stats
AC
94
IB
Local Store, Address Register, L-.gth Ctn.
BO
9B
OD
LCS Status
84
9C
15
H Regi1ter (O
27, parity)
BB
AO
35
H Register 12B- 31)
BC
A4
I
16
M Register (0-27, parity)
co
AB
36
M Register (2B- 31)
C4
AC
I
I
17
R Register (0- 27, parity)
CB
BO
37
R Regi1ter (28- 31)
cc
84
11
L Register (0-27, parity)
DO
88
ROS
31
L Register (2B- 31)
04
cc
11
Storage Dato Register (0- 27, parity)
DB
-
31
Storage Dato Register (28-31)
DC
-
IC
Common Channel Group
I]
EO
co
I
10
Common Chonnel Group 112
E4
C4
1 E
Common Channel Group
13
EB
CS
19
Multiple)( Channel Group 11
EC
cc
1A
Multiplex Channel GJoup 12
FO
DO
18
Multiplex Channel Group
13
F4
04
12-0
Selector Channel Group 11 (0-31)
F8
8B
DB
13-0
Selector Channel Group *1 (parity)
FC
BC
DC
13-1
Selector Channel Group 1J2 (parity)
100
90
EO
12-1
J
Selector Channel Group '2 (0-Ji)
iil4
94
E4
12-2
Selector Channel Group
13
(0-31)
108
9B
E8
13-2
Selector Channel Group 13 (parity)
lOC
9C
EC
13-3
Selector Channel Group 14 (parity)
110
AO
FO
12-3
Selector Channel Group 14 (0-31)
114
A4
F4
12-5
Selector Channel Group
*6
(0-31)
118
AS
FB
12-4
Selector Channel Group 15 (0-31)
1 IC
AC
FC
13-4
Selector Channel Group 15 (parity)
120
80
100
" He>e
values
'*'*
Sheets 2- 4 show detoi Is
FIGURE 12. SCAN-OUT/LOGOUT, LOCATIONS AND DATA (PART 1OF4)
Maintenance Features
(3/71)
23

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