Int 15/AX=53B0h/BH=07h

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Intel System Management Bus - RETRIEVE CRITICAL MESSAGES

AX = 53B0h
BH = 07h
CX = 6941h ('iA')

Return:
CF clear if successful AH = 00h (SMBus OK) AL = device address BX = device message CF set if error AH = error code (05h,07h,08h,09h,0Ah,86h) (see #00484)

Desc: Retrieves oldest queued critical message from an SMBus device to the host

Notes: Up to five messages are queued; if the queue is full, messages will be lost and error 09h returned

Category: Expansion Bus Bios - Int 15h - I

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