Int 2F Fn 48C3 - PCed/keydef - Installation Check [K] AX = 48C3h BL = 00h Return: AX = 0000h if installed BX = KEYDEF resident segment Program: KEYDEF is a resident keyboard redefinition utility included as part of the PCED package Note: chains if BL <> 00h on entry See Also: AX=48C0h,AX=48C2h,AX=48C4h