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4.3.2 Super I/O GPIO
Signals Name
GP10
GP11
GP12
GP13
GP14
GP15
GP16
GP17
GP20
GP21/SCL
GP22/SDA
GP23/PLED
GP24/WDTO
GP25/IRRX
GP26/IRTX
GP30/SLP_SX#
GP31/PWRCTL#
GP32/PWROK
GP33/RSMRST#
GP34/CIRRX
GP35/SUSLED
4.3.3 PCA9554 GPIO
Signals Name
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
Table 4-3: Super I/O GPIO Definition
I/O Type
Tolerance
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
I/O
5V
Table 4-4: PCA9554 Pin Definition
I/O Type
Tolerance
I/O
5V
I/O
5V
I/O
5V
I/O I
5V
I/O I
5V
I/O
5V
I/O
5V
I/O
5V
Function
GPO
GPO
GPO
GPO
GPO
GPO
GPO
GPO
GPI
SCL
SDA
WDTO
IRRX
IRTX
SLP_SX#
PWRCTL#
PWROK
RSMRST#
GPIO
GPIO
Function
GPI
GPI
GPI
GPI
GPI
GPI
GPI
GPI
19
Comments
Port80 LED
Port80 LED
Port80 LED
Port80 LED
Port80 LED
Port80 LED
Port80 LED
Port80 LED
NA
SCL
SDA
NC
Connect to LAN Bypass
NC
NC
From Tolapai SLP_S3#
NC
Connect to Tolapai
NC
NC
Comments
Connect CN29 Pin3
Connect CN29 Pin4
Connect CN29 Pin5
Connect CN29 Pin6
Connect CN29 Pin7
Connect CN29 Pin8
Connect CN29 Pin9
Connect CN29 Pin10
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