IBM 1 Series Manual page 68

Line name
Data strobe
Halt or MCHK
Initiate IPL
IPL
Poll
Poll identifier bit 0
Poll identifier bit 1
Poll identifier bit 2
Poll identifier bit 3
Poll identifier bit 4
Poll prime
Poll propagate
Poll return
Poweron reset
Request in bus bit 0
Request in busbit 1
Request in bus bit 2
Request in busbit 3
Request in busbit 4
Request in bus bit 5
Request in bus bit 6
Request in busbit 7
Request in bus bit 8
Request in bus bit 9
Request in busbit 10
Request in bus bit 11
Request in bus bit 12
Request in bus bit 13
Request in bus bit 14
Request in bus bit 15
Service gate
Service gate return
Status bus bit 0
Status bus bit 1
Status bus bit 2
Status bus bit 3
System reset
Direction
I/O Pin
assignment
M10
M07
P07
S04
M12
Pil
S02
S03
P12
P13
M13
Mil
M04
S05
S07
S08
S09
S10
$12
$13
U02
U04
U05
U06
U07
U09
U10
U11
U12
U13
PO5
P06
J13
G13
M03
PO2
MO5
Figure 2-24 (Part 2 of 2). Unit-load driver/receiver types
I/O
driver/receiver
type
A-D
A-D
A-D
A-E
A-G
A-D
A-D
A-D
A-D
A-D
A-G
A-F
A-E
A-D
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-E
A-D
A-E
A-D
A-D
A-D
A-D
A-D
Processor I/O Channel
2-57