Format of VESA VBE 2.0+ protected-mode port/memory list:
Offset	Size	Description	)
 00h	WORD	I/O port number
	...
	WORD	FFFFh marking end of I/O port list
	DWORD	memory region base address
	WORD	memory region limit (one less than length)
	WORD	FFFFh marking end of memory region list
Note:	the memory region is optional; if not present, there will be a word
	  of FFFFh immediately following the FFFFh marking the end of the I/O
	  port list
SeeAlso: #00087