4.3.2 Super I/O GPIO
Table 4-3: Super I/O GPIO Definition
Signals Name
I/O Type
Tolerance
Function
Comments
GP10
I/O 5V
GPO Port80
LED
GP11 I/O
5V
GPO
Port80
LED
GP12 I/O
5V
GPO
Port80
LED
GP13 I/O
5V
GPO
Port80
LED
GP14 I/O
5V
GPO
Port80
LED
GP15 I/O
5V
GPO
Port80
LED
GP16 I/O
5V
GPO
Port80
LED
GP17 I/O
5V
GPO
Port80
LED
GP20 I/O
5V
GPI
NA
GP21/SCL I/O
5V
SCL
SCL
GP22/SDA I/O
5V
SDA
SDA
GP23/PLED I/O
5V
NC
GP24/WDTO
I/O
5V
WDTO
Connect to LAN Bypass
GP25/IRRX I/O
5V
IRRX
NC
GP26/IRTX I/O
5V
IRTX
NC
GP30/SLP_SX# I/O
5V SLP_SX#
From
Tolapai
SLP_S3#
GP31/PWRCTL# I/O
5V PWRCTL#
NC
GP32/PWROK I/O
5V PWROK
GP33/RSMRST# I/O
5V RSMRST#
Connect
to
Tolapai
GP34/CIRRX I/O
5V GPIO
NC
GP35/SUSLED I/O
5V GPIO
NC
4.3.3 PCA9554 GPIO
Table 4-4: PCA9554 Pin Definition
Signals Name
I/O Type
Tolerance
Function
Comments
GPIO0
I/O
5V
GPI
Connect CN29 Pin3
GPIO1
I/O
5V
GPI
Connect CN29 Pin4
GPIO2
I/O
5V
GPI
Connect CN29 Pin5
GPIO3
I/O I
5V
GPI
Connect CN29 Pin6
GPIO4
I/O I
5V
GPI
Connect CN29 Pin7
GPIO5
I/O
5V
GPI
Connect CN29 Pin8
GPIO6
I/O
5V
GPI
Connect CN29 Pin9
GPIO7
I/O
5V
GPI
Connect CN29 Pin10
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