Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 31 - DPMI 1.0+ - GET MEMORY BLOCK SIZE AND BASE</b>

	AX = 050Ah
	SI:DI = memory block handle
Return: CF clear if successful
	    SI:DI = size in bytes
	    BX:CX = base address
	CF set on error
	    AX = error code (8023h) (see <a href=../../it/43/31.html>#03143</a>)
SeeAlso: AX=0501h,AX=0504h
</pre>