Category: <b>video</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - TSENGP.COM - INSTALLATION CHECK</b>

	AX = C000h
Return: AL = status
	    00h not installed, OK to install
	    FFh installed
		DS = segment of resident code
Program: TSENGP.COM is a TSR supplied by Compaq to fix an incompatibility
	  between some applications and Tseng ET4000-based video adapters
Range:	AH=C0h to AH=FFh, selected automatically
Note:	the installation check is completed by comparing the first eleven
	  bytes at DS:005Fh against the TSR's code (80h FCh 06h 74h 0Ah
	  80h FCh 07h 74h 05h EAh)
</pre>