4.3 General-Purpose IO (GPIO) Assignments and Descriptions
4.3.1 Tolapai GPIO
Table 4-2: Tolapai GPIO Definition
Signals Name
I/O Type
Tolerance
Function
Comments
GPIO0
I 3.3V
GPI NA
GPIO1 I
3.3V
GPI
NA
GP2_PIRQE# I
3.3V
GPI
NA
GP3_PIRQF# I
3.3V
GPI
NA
GP4_PIRQG# I
3.3V
GPI
NA
GP5_PIRQH# I
3.3V
GPI
NA
GPIO6 I
3.3V
GPI
NA
GPIO7 I
3.3V
GPI
NA
GPIO8 I
3.3V
GPI
NA
GPIO9 I
3.3V
GPI
NA
GPIO10 I
3.3V
GPI
NA
GP11_SMBALERT# I
SMBALERT#
NA
GPIO12 I
3.3V
GPI
NA
GPIO13 I
3.3V
GPI
NA
GPIO14 I
3.3V
GPI
NA
GPIO15 I
3.3V
GPI
NA
GPIO16 I/O
3.3V
GPIO
NC
GPIO17 I/O
3.3V
GPIO
Boot
options
GPIO18 I/O
3.3V
GPIO
NC
GPIO19 I/O
3.3V
GPIO
NC
GPIO20
I/O 3.3V
GPIO NA
GPIO21
I/O 3.3V
GPIO
NC
GPIO23
I/O 3.3V
GPIO
NC
GPIO24
I/O
3.3V
GPIO
Connect to PCIE Slot
GPIO25
I/O
3.3V
GPIO
Connect to PCIE Slot
GP26_SATA0GP
I
SATA0GP
NA
GPIO27
I/O
3.3V
GPIO
Connect to PCIE Slot
GPIO28
I/O
3.3V
GPIO
Connect to PCIE Slot
GP29_SATA1GP
I 3.3V
SATA1GP
NA
GPIO30
I 3.3V
GPI NA
GPIO31
I 3.3V
GPI NA
GPIO33
I/O 3.3V
GPIO Boot
options
GPIO34
I/O 3.3V
GPIO NA
GPIO40
I 3.3V
GPI
IERR
GP41_LDRQ[1]#
I 3.3V
LDRQ[1]#
LDRQ[1]#
GPIO48
O 3.3V
GPO
NC
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