Format of SK-UPPS Driver Information Block (DIB):
Offset	Size	Description	)
 00h  6 BYTEs	physical node address (from adapter's ROM)
 06h  6 BYTEs	current node address (see AX=0003h)
 0Ch	BYTE	adapter id (defined by OEM)
 0Dh	BYTE	IRQ line (FFh if none)
 0Eh	DWORD	-> shared memory (zero if none)
 12h	DWORD	size of shared memory (zero if none)
 16h	WORD	base I/O port (zero if none)
 18h	BYTE	DMA line (FFh if none)
 19h	BYTE	DLI 2.4+ topology (see AX=0000h)
 1Ah	WORD	size of an Mbuf's DATA area (see #03847)
 1Ch  2 BYTEs	reserved (currently unused)
 1Eh	WORD	total number of Mbufs the DLI has
 20h	WORD	maximum number of Mbufs that can be allocated via REQUEST
		  BUFFER (AX=0004h) and SYNC REQUEST BUFFER (AX=0012h)
 ---- end of Status Information Block returned by GET DRIVER STATUS (AX=0002h)
 22h	DWORD	-> ASCIZ adapter name
 26h	WORD	number of I/O ports used (zero if none)
 28h	DWORD	line speed in bits/sec.