Category: expansion bus BIOSes
INT 15 - Intel System Management Bus - INSTALLATION CHECK
AX = 53B0h
BH = 01h
BL = 72h ('r')
CX = 6164h ('ad')
Return: CF clear if installed
AH = SMBus BIOS Interface Specification major version (01h)
AL = SMBus BIOS Interface Specification minor version (00h)
BL = number of SMBus devices present
CX = 6941h ('iA')
DX = vendor-specified SMBus hardware code
0000h means undefined hardware type
CF set if error
AH = Error code 0Ah, 86h (see #00484)
Note: this function is only supported in INT 15h mode
SeeAlso: AX=53B0h/BH=02h,AX=53B0h/BH=03h,AX=53B0h/BH=04h,AX=53B0h/BH=06h
SeeAlso: #01105 at INT 1A/AX=B10Ah/SF=8086h