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AX = 53B0h
BH = 02h
CX = 6941h ('iA')
Return:
CF clear if successful
AX = SMBus Real mode code segment
BX = offset of entry point into SMBus BIOS Interface
CX = SMBus Real mode data segment
CF set if error
AH = error code (01h,02h,0Ah,86h) (see #00484)
AL = sub-error code if error code is 02h (see #00485)
Desc: Connect to SMBus interface; once connected, all SMBus calls are made to the supplied entry point instead of INT 15 (with registers identical to those described here for INT 15)
Notes: Support for this function is optional. This function is only supported in INT 15 mode when implemented
See Also: AX=53B0h/BH=01h - AX=53B0h/BH=03h - AX=53B0h/BH=04h
Category: Expansion Bus Bios - Int 15h - I
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