nuvi 2xx7 has HWID 1582
nuvi 27x9 has HWID 1932
nuvi 27x7 and 27x8 has HWID 1517
nuvi 2xx7 and 2xx8 can be HWID 3077 or HWID 1582 it depends on part n.
nuvi 2798 has HWID 1884
nuvi 2xx7 and 2xx8C4 has HWID 2077
You can find them all here:
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