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2.1.13 CompactPCI J4 Pin Assignments
Pin
Z A B C D E F
25
GND
+5V
(4)
REQ64#
(2)
ENUM#
(2)
+3.3V
(4)
+5V
(4)
GND
24
GND
S2AD[1] +5V
(4)
Reserved S2AD[0] ACK64# GND
23
GND
+3.3V
(4)
S2AD[4] S2AD[3] +5V
(4)
S2AD[2] GND
22
GND
S2AD[7] GND +3.3V
(4)
S2AD[6] S2AD[5] GND
21
GND
+3.3V
(4)
S2AD[9] S2AD[8] M66EN
(4)
S2C/BE[0]#
GND
20
GND
S2AD[12] GND Reserved S2AD[11] S2AD[10] GND
19
GND
+3.3V
(4)
S2AD[15] S2AD[14] GND S2AD[13] GND
18
GND
S2SERR# GND +3.3V
(4)
S2PAR S2C/BE[1]#
GND
17
GND
+3.3V
(4)
IPMB_SCL
(1)
IPMB_SDA
(1)
GND S2PERR# GND
16
GND
S2DEVSEL# GND Reserved S2STOP# S2LOCK# GND
15
GND
+3.3V
(4)
S2FRAME# S2IRDY# GND S2TRDY# GND
12-14
KEY
11
GND
S2AD[18] S2AD[17] S2AD[16] GND S2C/BE[2]#
GND
10
GND
S2AD[21] GND +3.3V
(4)
S2AD[20] S2AD[19] GND
9
GND
S2C/BE[3]# GND S2AD[23] GND S2AD[22] GND
8
GND
S2AD[26] GND Reserved AD[25] AD[24] GND
7
GND
S2AD[30] S2AD[29] S2AD[28] GND S2AD[27] GND
6
GND
S2REQ0# GND +3.3V
(4)
S2CLK S2AD[31] GND
5
GND
Reserved Reserved S2PCIRST#
GND S2GNT0# GND
4
GND
IPMB_PWR
(1)
HEALTHY#
(1)
Reserved INTP
(1)
INTS GND
3
GND
INTA# INTB# INTC# +5V
(4)
INTD# GND
2
GND
TCK
(2)
+5V
(4)
TMS
(2)
TDO
(1)
TDI
(2)
GND
1
GND
+5V
(4)
Reserved TRST#
(2)
Reserved
+5V
(4)
GND
Pin
Z A B C D E F
Table 15: ComapctPCI J4 pin assignments