Appendix A Expansion Bus
Page: A-2
PSB-701LF USER
′
S MANUAL
SHB CONNECTOR PIN ASSIGNMENT
The following table shows pin assignments for the PCI Express edge connectors:
Connector A
Connector B
Connector C
Connector D
Side B
Side A
Side B
Side A
Side B
Side A
Side B
Side A
1 SMCLK SMDAT 1
+5Vaux +5Vaux 1
USB0P
GND 1
INTB# INTA#
2 GND GND 2
GND RSVD**
2
USB0N GND 2
INTD# INTC#
3 TDI
TCK
3
a_PETp8 GND 3
GND USB1P
3
GND VIO
4 TDO
TMS 4
a_PETn8 GND 4
GND USB1N
4
REQ3# GNT3#
5 TRST# WAKE#
5
GND a_PERp8
5
USB2P GND 5
REQ2# GNT2#
6 PWRBT# PME# 6
GND
a_PERn8 6
USB2N
GND 6
PCI_RST# GNT1#
7 PWRGD PSON# 7
a_PETp9 GND 7
GND
USB3P 7
REQ1# GNT0#
8 SHB_RST# PERST# 8
a_PETp9
GND
8
GND
USB3N 8
REQ0#
SERR#
9 CFG0 CFG1 9
GND a_PERp9
9
USBOC0#
GND 9
SDONE +3.3V
10 CFG2
CFG3 10
GND a_PERn9
10
GND USBOC1#
10
GND CLKF1
11
RSVD GND
11
RSVD GND
11
USBOC2#
GND
11
CLKFO
GND
Mechanical Key
Mechanical Key
Mechanical Key
Mechanical Key
12 GND
RSVD 12
GND
RSVD 12
GND USBOC3# 12
CLKC CLKD
13 b_PETp0
GND 13
a_PETp10
GND 13
NC
GND 13
GND
+3.3V
14 b_PETn0
GND 14
a_PETn10
GND 14
NC
GND 14
CLKA
CLKB
15 GND
b_PERp0
15
GND a_PERp10
15
GND
NC 15
+3.3V GND
16 GND
b_PERn0
16
GND a_PERn10
16
GND
NC 16
AD31 GND
17 b_PETp1
GND 17
a_PETp11
GND 17
NC
GND 17
AD29
+3.3V
18 b_PETn1
GND 18
a_PETn11
GND 18
NC
GND 18
M66EN
AD30
19 GND
b_PERp1
19
GND a_PERp11
19
GND
NC 19
AD27 AD28
20 GND
b_PERn1
20
GND a_PERn11
20
GND
NC 20
AD25 GND
21 b_PETp2
GND 21
a_PETp12
GND 21
a_MDI0p
GND 21
GND
AD26
22 b_PETn2
GND 22
a_PETn12
GND 22
a_MDI0n GND
22
C/BE3# AD24
23 GND
b_PERp2
23
GND a_PERp12
23
GND a_MDI1p
23
AD23 +3.3V
24 GND
b_PERn2
24
GND a_PERn12
24
GND a_MDI1n
24
GND AD22
25 b_PETp3
GND 25
a_PETp13
GND 25
a_MDI2p D
GND
25
AD21
AD20
26 b_PETn3
GND 26
a_PETn13
GND 26
a_MDI2n GND
26
AD19
PCIXCAP
27 GND
b_PERp3
27
GND a_PERp13
27
GND a_MDI3p
27
+5V AD18
28 GND
b_PERn3
28
GND a_PERn13
28
GND a_MDI3n
28
AD17 AD16
29
GND
29
a_PETp14
GND 29
IPMB_CL GND
29
C/BE2# GND
30 REFCLK0-
GND
30
a_PETn14
GND
30
IPMB_DA
GND 30 PCI_PRST# FRAME#
31 GND
31
GND a_PERp14
31
NC
NC 31
IRDY# TRDY#
32 RSVD-G REFCLK1-
32
GND
a_PERn14 32
NC
NC 32 DEVSEL# +5V
33
GND
33
a_PETp15
GND
33
NC NC
33
LOCK#
STOP#
34 REFCLK2-
GND
34
a_PETn15
GND
34
b_MDI0p
GND 34
PERR#
GND
35 GND
35
GND a_PERp15
35
b_MDI0n GND
35
GND C/BE1#
36 RSVD-G REFCLK3-
36
GND
a_PERn15 36
GND
b_MDI1p
36
PAR AD14
37
GND
37
RSVD
GND
37
GND
b_MDI1n
37
SB0#
GND
38 REFCLK4-
GND
38
RSVD
RSVD
38
b_MDI2p
GND 38
GND
AD12
39 GND
39
GND
GND 39
b_MDI2n GND
39
AD15 AD10
40 RSVD-G REFCLK5-
40
GND
GND 40
GND
b_MDI3p
40
AD13
GND
41
GND
41
GND
GND
41
GND
b_MDI3n
41
GND
AD09
42 REFCLK6-
GND
42
GND
GND
42
+3.3V
+3.3V 42
AD11
C/BE0#
43 GND
43
GND
GND 43
+3.3V
+3.3V
43
AD08 GND
44 GND REFCLK7-
44
+12V
+12V 44
+3.3V
+3.3V
44
GND AD06
45 a_PETp0
GND 45
+12V
+12V 45
+3.3V
+3.3V 45
AD07
AD05
46 a_PETn0
GND 46
+12V
+12V 46
+3.3V
+3.3V 46
AD04
GND
47 GND
a_PERp0
47
+12V
+12V 47
+3.3V
+3.3V
47
GND AD02
48 GND
a_PERn0
48
+12V
+12V 48
+3.3V
+3.3V
48
AD03 AD01
49 a_PETp1
GND 49
+12V
+12V 49
+3.3V
+3.3V 49
AD00
GND
50 a_PETn1
GND
50
+3.3V
+3.3V