I/O Channel Diagram - IBM 5150 Hardware Reference Manual

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-
1/ 0 Channel Diagram
REAR PANEl
SIGNAL N AME
1\
SIGN AL NAME
-
GND
-81 Al-
~
-I/O CH CK
+RESET DRV
+07
+5V -
-
+06
+IRU2
r-
-
+05
-5VDC
+04 '-
­
+ORU2
-
+03 '­
-12V
+02
I-
­
RESERVED
+01
I-
­
+12V
+00
'-
­
GND
I-
810 Al0- +1/0 CH ROY
-MEMW
I- +AEN
-
-MEMR
I- +A19
-
-lOW
I-
-
+A18
-lOR
+A17
f-
­
-DACK3
+A16
f-
­
+ORU3 '-
-
+A15
-DACKl ~
-
+A14
+ORUl
+A13
I-
­
-OACKO
+A12 f-
­
CLOCK
I-
820 A20 -
+All
+IRQ7
f-
+Al0
-
+IRQ6
~
-
+AS
+IRQ5
~
-
+A8
+IRQ4
+A7
I-
­
+IRQ3
+A6
f-
­
-DACK2
~
-
+A5
+T/C
f-
-
+A4
+ALE-
+A3
~
­
+5V
+A2
I-
­
+OSC
~
+Al
-
+GNO
I-
831 A31 -
+AO
L....-
L..- ­
NOTE:
A description of each signal
is on the following pa ges.
'\ \
COMP ONENT SIDE
Figure 3. I/O CHANNEL DIAGRAM
2-9