Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 31 - DPMI 1.0+ - MODIFY PAGE ATTRIBUTES</b>

	AX = 0507h
	ESI = memory block handle
	EBX = offset in memory block of first page
	ECX = number of pages
	ES:EDX -&gt; array of WORDs with new page attributes (see <a href=../../it/56/31.html>#03156</a>)
Return: CF clear if successful
	CF set on error
	    AX = error code (8001h,8002h,8013h,8014h,8021h,8023h,8025h)
		(see <a href=../../it/43/31.html>#03143</a>)
	    ECX = number of pages which have been set
Notes:	only supported by 32-bit DPMI hosts, but may be used by 16-bit clients
	if EBX is not page-aligned, it will be rounded down
SeeAlso: AX=0504h,AX=0506h,INT 21/AX=251Eh
</pre>