INT 21 - Novell NetWare - CHECK SIGNATURE LEVEL??? AX = B301h Return: AX = 0000h if supported??? BX:CX indicate signature level (see #01801) Note: this function appeared with the packet signing/Large Internet Packets/ IPX Checksum-aware NetWare shells SeeAlso: AX=B300h,AX=B304h,#02875 at INT 2F/AX=7A20h/BX=0000h