IEI Integration SPE-9S v1.1 User Manual
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6. PWRGD: External Power Good Connector
 
 
 
 
7. SM-BUS: External System Management BUS Connector 
 
 
 
 
8.CN2: PCIE X8 SDVO Control Signal Pin
The CN2 indicators are for controlling your PCIE X8 board.
 
 
 
 
 
 
9. IOPWR: The I/O Power Connector indicators for controlling your 
CPU board. 
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1
GND
2
-12V
3
+12V
4
GND
5
IPMB_DA
6
5VSB
7
GND
8
GND
9
IPMB_CL
10
5VSB
11
+5V
12
PWRGD
13
SMDAT
14
SHB_RST#
15
5VSB
16
GND
17
SMCLK
18
PSON#
19
+3.3V
20
PWRBT#
19
17
15
13
11
9
7
5
3
1
● ● ● ● ● ● ● ● ● ■ 
● ● ● ● ● ● ● ● ● ● 
20
18
16
14
12
10
8
6
4
2
 
 
PIN
DESCRIPTION
1
GND
2
PWRGD
2
●
1
■
PIN
DESCRIPTION
1
SMDATA
2
SMBCLK
2
●
1
■
PIN
DESCRIPTION
1
EXP_EN
2
SDVO_CLK
3
SDVO_DAT
1
2
3
■ ● ●
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