Specifications

© 2008 Advanced Micro Devices Inc.
Sample Programs
AMD SB600 BIOS Developer’s Guide (Public Version) Proprietary
Page 84
; Register F4 is SMI mapping register
mov al,0f4h
mov dx,SuperIo_Config_Port
out dx,al
inc dx
mov al,27h
out dx,al
; 3. Set Thermal output to GP47(00 100 111 = 27h) in reg 0F5h
; Register 0F is thermal mapping register
mov al,0f5h
mov dx,SuperIo_Config_Port
out dx,al
inc dx
mov al,27h
out dx,al
; Enable generation of SMI# due to environment condition
mov al,0f0h
mov dx,SuperIo_Config_Port
out dx,al
inc dx
in al,dx
or al,10h
out dx,al
; Set GP47 as general purpose pins
; Registers 25h and 28 are global access registers
; Select IRTX/GP47 as GP47
mov al,028h ; For GP-47
mov dx,SuperIo_Config_Port
out dx,al
inc dx
in al,dx
or al,80h
out dx,al
call SuperioExitConfig ; Write 02, 02 to Super IO