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MSI MS-98I8 - Page 50

MSI MS-98I8
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A-4
WDT & GPIO MS-98I8
mov dx, SIO_INDEX_Port
mov al, SIO_GPIO_Status
out dx, al
mov dx, SIO_DATA_Port
in al, dx ;al bit0 = GPI 0 status
; Exit SIO
mov dx, SIO_INDEX_Port
mov al, SIO_Lock_Value
out dx, al
#2 : Set GPO 0 to high
; Enable config mode
mov dx, SIO_INDEX_Port
mov al, SIO_UnLock_Value
out dx, al
jmp short $+2 ;Io_delay
jmp short $+2 ;Io_delay
out dx, al
; Switch GPIO Configuration for SIO LDN 0x06
mov dx, SIO_INDEX_Port
mov al, 07h
out dx, al
mov dx, SIO_DATA_Port
mov al, SIO_LDN_GPIO
out dx, al
; Set GPO 0 Register
mov dx, SIO_INDEX_Port
mov al, SIO_GPIO_Data
out dx, al
mov dx, SIO_DATA_Port
in al, dx
and al, not GPO_0
or al, GPO_0
out dx, al
; Exit SIO
mov dx, SIO_INDEX_Port
mov al, SIO_Lock_Value
out dx, al

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