Int 15/AX=53B0h/BH=12h

Intel System Management Bus - REQUEST ABORT

AX = 53B0h
BH = 12h
BL = protocol (see #00487)
CH = device address
CL = device command

Return:
CF clear if successful
AH = 00h (SMBus OK)
CF set if error
AH = error code (05h,13h,15h,16h,86h) (see #00484)

Desc: Stop the currently pending SMBus request; usually used to terminate a request after an SMI Detected error

Category: Expansion Bus Bios - Int 15h - I

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