MSI MS-98F5 User Manual

A-4
WDT & GPIO Industrial Computer Board
GPIO Sample Code
 GPI 0 ~ GPI 3
GPI 0
GPI 1 GPI 2 GPI 3
IO Address
SIO GPIO Register
00h 00h 00h 10h
Bit 5 6 7 0
Sample code #1
 GPO 0 ~ GPO 3
GPO 0
GPO 1 GPO 2 GPO 3
IO Address
SIO GPIO Register
01h 01h 01h 01h
Bit 0 1 2 3
Sample code #2
SMI_port equ 0B2h
5606_Addrs equ 03Eh
GPI_REG1 equ 010h
GPI_REG equ 000h
GPO_REG equ 01h
GPO_0 equ 01h //Bit0
S
ample Code:
#1 : Get GPI 0 status
;
Set GPI data and use SW SMI.
mov dx, SMI_port
mov eax, 03000000h
mov ebx, 03E000000h ;3E is 5605 addr. 00 is GPI_Bit Reg. bx is 0000h
mov ecx,0
mov esi,0
out dx, 9Eh ;dx is smi port, smi number is 9Eh
jmp short $+2 ;Io_delay
jmp short $+2 ;Io_delay

MSI MS-98F5 Specifications

General

Brand	MSI
Model	MS-98F5
Category	Motherboard
Language	English