INT 18 - DISKLESS BOOT HOOK (START CASSETTE BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN.  There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular.	All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM.)
Desc:	called when there is no bootable disk available to the system
Notes:	very few PCs other than those produced by IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. contain BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN.  There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular.	All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM. in ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs., so
	  the action is unpredictable on compatibles; this interrupt often
	  reboots the system, and often has no effect at all
	some PCIBM PC and XTIBM PC XT clones had an optional IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. CASSETTE BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN.  There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular.	All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM. stored
	  in the ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs., too.
	most BIOSes will display an error message similar to "NO BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN.  There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular.	All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM.", and
	  either reboot or return to the caller.
	PS/2IBM PS/2, any model machines usually pop up a graphical box to the effect that
	  the user should enter a floppy and press F1.
	Some clones display the message "No boot device available,
	  strike F1 to retry, F2 for setup utility"
	network cards with their own BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. can hook this interrupt to allow
	  a diskless boot off the network (even when a hard disk is present
	  if none of the partitions is marked as the boot partition)
SeeAlso: INT 2F/AX=4A06h,INT 86"NetBIOSOne of a number of low-level device-independent network interfaces; the other major interfaces are Novell's IPX and the Internet's IP (Internet Protocol, the lower-level portion of TCP/IP).",INT 2F/AX=4A06h,INT 2F/AX=4A07h