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X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 5c - $25 lan - check if connection alive http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
INT 5C - $25 LAN - CHECK IF CONNECTION ALIVE
        AH = 04h
        AL = COM port (0 = default)
        CX = wait count in character times (should be at least 100)
Return: ZF set if link alive

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