INT 5B - PCIBM PC cluster adapter - RELOCATED INT 19
SeeAlso: INT 19,INT 5A"PCIBM PC Cluster"
                                                                                

INT 5B - AT&TAmerican Telephone and Telegraph Starlan Extended 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). (variable length names)
	ES:BX -> Network Control BlockA Network Control Block used to pass requests to NetBIOS and receive status information from the NetBIOS handler. (see #03245)
Return: AL = status (see #03248)
SeeAlso: INT 5C"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)."


Format of Starlan Network Control BlockA Network Control Block used to pass requests to NetBIOS and receive status information from the NetBIOS handler.:
Offset	Size	Description	(Table 03245)
 00h	BYTE	ncb_command (see also #03250)
		70h send net Break
 01h	BYTE	ncb_retcode
 02h	BYTE	ncb_lsn
 03h	BYTE	ncb_num
 04h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	-> ncb_buffer
 08h	WORD	ncb_length
 0Ah 16 BYTEs	ncb_callname
 1Ah 16 BYTEs	ncb_name
 2Ah	BYTE	ncb_rto
 2Bh	BYTE	ncb_sto
 2Ch	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	-> ncb_post	/* int (far *ncb_post)(); */
 30h	BYTE	ncb_lana_num
 31h	BYTE	ncb_cmd_cplt
 32h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	-> ncb_vname
 36h	BYTE	ncb_vnamelen
 37h  9 BYTEs	ncb_reserve
Note:	fields 00h-31h are the same as for a standard 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). NCBsee Network Control Block (see #03249)
                                                                                

INT 5B - Microsoft Network Transport Layer Interface                            
Note:	used by MS-NET for executing network commands
SeeAlso: INT 5C"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 5B - used by Alloy NTNX                                                     
                                                                                

INT 5B - ISOLAN Multi Protocol Software                                         
	ES:BX -> Transfer Control Block (see #03246)
Return: AL = status
Note:	this software interface allows multiple protocols/software packages
	  to access a BICC 411x network card


Format of ISOLAN Transfer Control Block:
Offset	Type	Description	(Table 03246)
 00h	BYTE	command code
		B3h Status
		F2h Activate
		F3h Deactivate
		F4h Send Data
 01h	BYTE	command identity
 02h	BYTE	virtual circuit ID
 03h	WORD	buffer length
 05h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	buffer pointer
 09h	BYTE	expedited data flag
 0Ah	BYTE	cancelable flag
 0Bh 16 BYTEs	local network address
 1Bh 16 BYTEs	remote network address
 2Bh	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	asynchronous notification routine
 30h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	local network number
 34h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	remote network number
 38h	BYTE	call timeout
 39h	BYTE	not used
 3Ah  8 BYTEs	reserved
 42h	BYTE	command code extension
 43h	WORD	Blue Book MAC type