IBM 5150

-
-
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