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PIN
NO.
A1
A2
A3
A4
AS
A6
A7
AS
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
SIGNAL
MNEMONIC
RES
DB14-
DB12-
GND
DB10-
DB8-
GND
DB6-
DB4-
GND
DB2-
DBO-
GND
AD2-
ADO-
GND
DDUT-
BPO-
CEND-
SYNC-
GND
CCLK
GND
BR-
DBYT-
MYAD-
GND
RES
PFW-
PPON
GND
AC-
AC+
-12
+12
+5S
+5P
HP 27130B
Table 2- 2. I/O Channel Connector J 1
SIGNAL DEFINITION
Not used
Data Bus, Bit 14
Data Bus, Bit 12
Ground
Data Bus, Bit 10
Data Bus, Bi
t
8
Ground
Data Bus, Bit
6
Data Bus, Bit
4
Ground
Data Bus, Bi
t
2
Data Bus, Bit 0
Ground
Address Bus, Bi
t
2
Address Bus, Bi
t
0
Ground
Data Out
Bus Primitive Bit 0
Channel End
Synchronize
Ground
Common Clock
Ground
Burst Request
Device Byte
My
Address
Ground
Not used
Not used
Not used
Not used
Power-Fail Warning
Primary Power On
Ground
Not used
Not used
-12V
+12V
Not used
+5P
2-7
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