Category: <b>power management</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - POWER.EXE - INSTALLATION CHECK</b>

	AX = 5400h
Return: AX = POWER.EXE version (AH = major, AL = minor) if installed
	BX = 504Dh ("PM")
	CF clear
Note:	called by MS Windows 3.1 POWER.DRV
SeeAlso: AH=53h,AX=5401h,AX=5402h,AX=5481h,AX=5482h
</pre>