IBM 2025 Maintenance Manual page 69

Processing unit
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Diagnostic R/P Conditions 2 CRPD 2)
MOM 4-43
1001
0
RIP
units AR A
1
RIP
units
AR
B
2
R/P units AR
c
3
RIP
units AR D
4
RIP
units AR E
5
Reader address check
6
Reader overrun latch
7
Reader sync check latch
Reader /Punch Data in 2 (RP2)
M:CM
4-110
1010
0
Col 1 RD2 punch check
1
Col 2 RD2 punch check
2
Ccl
3
RD2 punch check
3
Col 4 RD2 punch check
4
Col
5
RD2 punch check
5
Col 6 RD2 punch check
6
Col 7 RD2 punch check
7
Col
8
RD2 punch check
Reader /Punch Data In 1 (RPl)
MOM 4-110
1011
0
Col 1 RDl PFR dat in
1
Col 2 RDl PFR data in
2
Col 3 RDl PFR data in
3
Col 4 RD1 PFR data in
4
Col 5 RDl PFR data in
5
Col 6 RD1
PFR
data in
6
Col 7 RDl PFR data in
7
Col 8 RDl PFR data in
1100* Unassigned
Reader Branch Ccnditicns
(RS)
MDM 4-43
data
data
data
data
data
data
data
data
in
in
in
in
in
in
in
in
1101* 0
Not gate read complete 2540
1
Not reader interventicn (rdr
ready)
2
Unit exception gate reader
3
Reader check
4
Reader validity check
5
Reader device end (hardware)
6
Reader status request
7
Not 1400 unit exception
Reader/Punch Branch Conditions (RPS)
MDM
4-
43
1110* 0
Reader punch on-line
1
2540 rdr trap req (data avail,
CSL)
2
Not 1400 timeout
3
0
4
Punch brush CL
5
Punch decode
6
Reader select latch
7
Punch select latch
Punch Branch Conditicns CPS)
MDM 4- 43
1111* 0
1
2
3
4
5
6
7
Not pch intervention Cpch ready)
Not 4-bit mod pull-on
PFR unit exception gate
Punch equiprrent check
Punch PFR validity
Punch device end (hardware)
Punch status request
0
* These eight fields tested with Branch on
Condition or Branch on Mask control
words.
External Field Definitions, 2540 Reader
Mode ( CPU
'IQ
EXT)
0000
Unassigned
0001
Unassigned
Storage Protect 0
0010
0
STPO bit
1
STPO bit
2
STPO bit
3
STPO bit
4
STPO bit
5
STPO bit
6
STPO bit
7
STPO bit
Storage Protect 1
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
0
STPl bit
1
STP1 bit
2
STPl bit
3
STP1 bit
4
STPl bit
5
STPl bit
6
STP1 bit
7
STPl bit
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
Unassigned
( STPO)
0 (Q 0)
1 (Ql)
2
(Q2)
3 (Q3)
4 (Q4)
5 (Q5)
6 (Q6)
7 (Q7)
(STPl)
0
1
2
3
4
5
6
7
2025 FEMM (7/69) 1-59

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