Firmware Upgrade - Fuse Settings

Karl Heinz Kremer - K5KHK

I am finally trying to upgrade my old QCX to the latest and greatest firmware version. I have two different levels of old: My -40 has a 1.02b and my -20 is even older than that. When I read the fuses of the 1.02b chip, I get this:
Ext: 0xFC
High: 0xD1
Low: 0xF7

Ext and High are in sync with what the fuse settings shown in this thread: - the Low fuse byte however is different (D1 vs my F7). 

Is this important? Can I just ignore it? Should I change the fuse settings, or will that cause other problems? I have not done anything yet, I am too afraid to have to as Hans for the secret eprom file ;) 

Karl Heinz - K5KHK
Karl Heinz - K5KHK

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