Thread: How To Get Your SD Card ID in Your Garmin Device

Originally Posted by catymag

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Having Re-read the entire thread several times I 'm afraid I'm none the wiser.

The actual code on my MicroSd reads: 1048RF3293F

I've tried dropping the "R", the only non-hex character, & entering the remaining string into a hex/decimal converter, both as is, & reversing the 2 digit pairings (i.e. 3F29F34810), the results are as follows:

1048RF3293F = 69943372095 (11 digits)

3F29F34810 = 271286749200 (12 digits)

Can anyone please explain where I'm going wrong?

Alternatively if anyone can point me to the checksum function within the Edge 800 diagnostic menu that might do it

No Luck?

Oh well, hope some one finds the information about how to access the Edge 800 diagnostic menu & how how to find the apparently encrypted MicroSd card CID numbers useful