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22
GND
Table 1.6.1-1 Signal Description for Others in DIP 64-Pin
SMD
Name
Pin
Power Button
1
Pin1
Power Button
3
Pin2
5
Reset Button Pin1 Input
7
Reset Button Pin2 GND
9
GND
11
SMB DAT
13
I2C DAT
GPIO 5VSB
15
Output
17
GPIO0
19
GPIO1
21
GPIO2
23
GPIO3
2
Power LED+
4
Power LED-
6
HDD LED+
8
HDD LED-
10
SMB 5V Output
12
SMB CLK
14
I2C CLK
16
GPIO4
GND
GND
Pin Type
Power Rail
Input
3.3VSB
GND
GND
3.3V
GND
GND
GND
I/O
5V
I/O
5V
Power Output 5VSB
I/O
5VSB
I/O
5VSB
I/O
5VSB
I/O
5VSB
LED+
5V
GND
GND
LED+
3.3V
LED-
3.3V
Power Output 5V
I/O
5V
I/O
5V
I/O
5VSB
18
GND
Description
Power Button
GND
Reset Button
GND
GND
SMBus Data
I2C Data
Power output for GPIO.
(500mA)
GPIO (with Internal
pull up to 5VSB)
GPIO (with Internal
pull up to 5VSB)
GPIO (with Internal
pull up to 5VSB)
GPIO (with Internal
pull up to 5VSB)
Power LED
Power LED
HDD LED
HDD LED
Power output for
SMBus.(500mA)
SMB Clock
I2C Clock
GPIO (with Internal
pull up to 5VSB)
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