INT 4A - TI Professional PCIBM PC - KEYBOARD - SEND COMMAND TO KEYBOARD AH = 04h AL = command 00h reset to default states 01h enable auto-repeat (default) 02h disable auto-repeat 03h lock keyboard 04h unlock keyboard (default) 05h enable keyclick (requires hardware modification to work) 06h disable keyclick (default) Return: nothing SeeAlso: AH=00h,AH=02h,AH=03h,AH=04h,AH=05h