33
Chapter 3: Motherboard Connections
JEIO1
This EI/O header provides flexibility support for the following functions: PCI-E x2, LPC,
SMBus, and Power, so that it allows customers to make their own I/O module to fit different
kinds of vertical market I/O demands.
EI/O
Pin Definition
Pin#
Definition
Pin#
Definition
1
PCIE_RX_DP0
61
GND
2
PCIE_TX_DP0
3
PCIE_RX_DN0
4
PCIE_TX_DN0
5
GND
6
GND
7
PCIE_RX_DP1
8
PCIE_TX_DP1
9
PCIE_RX_DN1
10
PCIE_TX_DN0
11
GND
12
GND
13
CLK_100M_DP
14
N/C
15
CLK_100M_DN
16
N/C
17
GND
62
GND
18
N/C
19
N/C
20
N/C
21
N/C
22
GND
23
GND
24
N/C
25
N/C
26
N/C
27
N/C
28
GND
29
GND
30
N/C
31
N/C
32
WAKE_EIO_N
33
N/C
63
GND
34
N/C
35
GND
36
N/C
37
N/C
38
SMB_CLK
39
N/C
40
SMB_DAT
41
P5VSB
42
P3VSB
43
P5VSB
44
LPC_LFRAME_N
45
P12VSB
46
LPC_AD3
47
SOC_LPC_CLKOUT1
64
GND
48
LPC_AD2
49
PLTR_
TPM_80PORT_N
50
LPC_AD1
51
LPC_SERIRQ
52
LPC_AD0
53
P3V3
54
P5V
55
PS_ON_N
56
GND
57
N/C
58
N/C
59
N/C
60
N/C
Functions
PCI Express
LPC
SMBus
Power
N/C
GND
