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ISA/PCI Reference CBI/CGI Technical Reference
Chassis Plans2-18
PICMG EDGE
C
ONNECTOR PIN
A
SSIGNMENTS
The pin assignments shown below are for the PICMG portion of the edge connector on
the processor board. These pin assignments match those of the PICMG connector of the
processor slot on the backplane.
I/O Pin Signal Name I/O Pin Signal Name
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49
-12V
NC
Gnd
NC
+5V
+5V
INTB#
INTD#
REQ3#
REQ1#
GNT3#
Gnd
Gnd
CLKS0
Gnd
CLKS1
Gnd
REQ0#
+5V
AD31
AD29
Gnd
AD27
AD25
BKPL3.3V
C/BE3#
AD23
Gnd
AD21
AD19
NC
AD17
C/BE2#
Gnd
IRDY#
NC
DEVSEL#
Gnd
LOCK#
PERR#
NC
SERR#
NC
C/BE1#
AD14
Gnd
AD12
AD10
M66EN
A1
A2
A3
A4
A5
A6
A7
A8
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
A41
A42
A43
A44
A45
A46
A47
A48
A49
NC
+12V
NC
NC
+5V
INTA#
INTC#
+5V
CLKS2
+5V
CLKS3
Gnd
Gnd
GNT1#
RST#
+5V
GNT0#
Gnd
REQ2#
AD30
NC
AD28
AD26
Gnd
AD24
GNT2#
NC
AD22
AD20
Gnd
AD18
AD16
NC
FRAME#
Gnd
TRDY#
Gnd
STOP#
NC
SDONE
SBO#
Gnd
PAR
AD15
NC
AD13
AD11
Gnd
AD9
32-bit connector start