Nintendo - Nintendo DS datting guide
From No-Intro ~ Wiki
- Cart ID should be added on its own line in Comment+ like
Cart ID: XXXXXXXX
- Box serials should be written in the order
XXX-XXXX-XXX,XXX X XXXX
- PCB serial (the one that can be seen without taking the cart apart) should be added to the PCB serial field with "▼" for the triangle character and one space character for each empty "slot". Use "•" for the small circle characters that are sometimes used. e.g.
▼ DZ P-3 C03-10.