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