e' is really used
for skipping to the next pair):<P>

<pre>
	+-------------------+
-4	| size		    |
	+-------------------+
0	| BaseAddrLow	    |
4	| BaseAddrHigh	    |
8	| LengthLow	    |
12	| LengthHigh	    |
16	| Type		    |
	+-------------------+
</pre>

where 'size' is the size of the associated structure in bytes, which can
be greater than the minimum of 20 bytes.  'BaseAddrLow' is the lower 32
bits of the starting address, and 'BaseAddrHigh' is the upper 32 bits,
for a total of a 64-bit starting addre