Int 15/AX=CCCCh

Toshiba laptops - VCHAD.EXE - INSTALLATION CHECK

AX = CCCCh

Return:
AX = ABCDh if installed

Note: Supported by Toshiba VGA change display utility VCHAD.EXE ver 2.90+ older versions have the string "VCHAD" 2 bytes after the address of the INT 15 handler which is hooked by all versions for the SysReq key

See Also: AH=85h

Category: Video - Int 15h - T

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