Msi X2-109 v2 User Manual Page 35

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2-15
Hardware Setup
PIN SIGNAL
1 SMBUS_SDA
2 GND
3 SMBUS_SCL
4 5VCC
5 SMBUS_ALERT#
6 PCIRST#
Pin Definition
6
J21
5 1
2
I2C Bus Connector: J21
This connector, known as I
2
C, is used to connect System Management Bus (SMBus)
interface.
Front Panel Connector: J22
The mainboard provides one front panel connector for electrical connection to the
front panel switches and LEDs.
16
J22
15
1
2
PIN SIGNAL DESCRIPTION
1 HDD_LED + HDD LED +
2 PLED Power LED
3 HDD_LED - HDD LED -
4 SLED Suspend LED
5 FP_RST+ Front Panel Reset +
6 FP_BTN - Front Panel Button -
7 FP_RST- Front Panel Reset -
8 GND Ground
9 NC No connection
10 KEY Key
11 SYS_FAULT_H8S System fault LED
12 ID_LED_H8S System ID LED
13 NC No connection
14 LAN1_LED LAN1 LED
15 NC No connection
16 LAN2_LED LAN2 LED
J22 Pin Definition
9265v1.0-2.p65 2008/5/15, 上午 11:4415
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