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40. CN3:
(1.27mm Pitch 2X30 Female Header), for expand output connector, it provides
four GPIO, two USB 2.0,one PS/2 mouse, one PS/2 keyboard, two uart, one
PCIex1, one SMbus. connected to the TB-528 riser Card.
Function
Signal Name
5V_S5_USB
5V_S5_USB
USB23_OC
Exp-USB2
USB2_DM
Exp-USB3
USB3_DM
PS/2 MS
PS2_MSCLK
PS/2 KB
PS2_KBCLK
COM4
COM4_TXD
(UART)
COM4_DTR
COM4_DSR
COM3
COM3_TXD
(UART)
COM3_DTR
COM3_DSR
GPIO23
SOC_GPIO23
GPIO25
SOC_GPIO25
PCIE_TX0_DN
PCIE_RX0_DN
PCIE
PCIE_REFCLK0_DN
PCIE0_WAKE_N
SMBUS
SMB_CLK_S0
PCIE
PCIE_CLKREQ0_N
12V
Pin#
1
3
5
7
9
Ground
11
13
15
COM4_RI
17
19
21
23
Ground
25
COM3_RI
27
29
31
33
35
37
Ground
39
41
43
Ground
45
47
49
51
53
3P3V_S5
55
3P3V_S5
57
12V_S0
59
Pin#
Signal Name
2
5V_S5_USB
4
5V_S5_USB
6
PSON_ATX-
8
USB2_DP
10
USB3_DP
12
Ground
14
PS2_MSDATA
16
PS2_KBDATA
18
COM4_DCD-
20
COM4_RXD
22
RICOM4_RTS-
24
COM_CTS-
26
Ground
28
COM3_DCD-
30
COM3_RXD
32
DSRCOM3_RTS-
34
DTRCOM3_CTS-
36
ICH_GPIO22
38
ICH_GPIO24
40
Ground
42
PCIE_TX0_DP
44
PCIE_RX0_DP
46
Ground
48
PCIE_REFCLK0_DP
50
PLTRST_3P3_N
52
SMB_DATA_S0
54
Ground
56
PWRBTN_ON-
58
3P3V_S5
60
12V_S0
Function
Exp-USB2
Exp-USB3
PS/2 MS
PS/2 KB
COM4
(UART)
COM3
(UART)
GPIO12
GPIO24
PCIE
SMBUS
Power Auto on
12V
44
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