Category: expansion bus BIOSes
INT 15 - Intel System Management Bus - GET DEVICE ADDRESSES AX = 53B0h BH = 06h BL = position in list to report CH = 6941h ('iA') Return: CF clear if successful AH = 00h (SMBus OK) BH = number of SMBus devices BL = SMBus Device Address of device at position BL in list (see #00486) CF set if error AH = error code (06h,0Ah,86h) (see #00484) Desc: retrieves already assigned SMBus device addresses Notes: this function is supported in INT 15h mode only bit 0 of the device address indicates read/write, so a device may be listed at both xxxxxxx0b and xxxxxxx1b SeeAlso: I2C A0h [and I2C.LST in general]