https://rennlist.com/forums/boxster-and-boxster-s-986-forum/915925-programming-a-996-cluster-to-work-in-a-986-a.html
Here's a link to instructions I posted on Rennlist.  (The file is too big for this forum.)
 
I believe your car has the newer dot-matrix cluster.  I have only tested this on the older LCD cluster.  
 
Good luck
		  
		
		
		
		
		
		
			
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				2000 Arctic Silver/Black, Hard Top, On Board Computer 
PNP Rear Speakers, HAES 6-Channel Amp, Avic Z140BH,  
Painted Bumperettes, 2004 (OEM) Top, Homelink integrated in dash with Targa switch, 997 Shifter, Carrera Gauge Cluster with silver gauge faces, heated 997 adaptive sports seats, Litronics, silver console
			 
		
		
		
		
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