Decoding your Mac's serial number

Summary:There has been a lot of discussion lately about Mac serial numbers. Specifically, what serial number MacBook Pro you have and how it relates to the version of the logic board that you have...

There has been a lot of discussion lately about Mac serial numbers. Specifically, how the MacBook Pro serial number relates to the version of the logic board contaned within it. In a PowerPage article I mentioned that Apple changed the MacBook logic board to "Revision D" beginning with models starting with a W8611 serial number.

Think Secret first reported that Apple is migrating to a new 18-digit all numeral serial number format (from 9 alphanumerics) for all of their hardware, including iPods, desktops and notebooks in order to accommodate the explosive growth in Apple sales. The article goes on to say that "sub-assembly parts, such as optical drives and logic boards" will move from 12 alphanumeric character serial numbers to 17 alphanumeric characters.

Chipmunk International has posted a decoder ring for Macintosh hardware serial numbers. Simply enter your SN into their online form and it will tell you all kinds of facts about your Mac including: name, model, production factory, production year, week and number during that week. The site supports all Apple products including computers, laptops, monitors, printers and batteries.

Topics: Apple


Jason D. O'Grady developed an affinity for Apple computers after using the original Lisa, and this affinity turned into a bona-fide obsession when he got the original 128 KB Macintosh in 1984. He started writing one of the first Web sites about Apple (O'Grady's PowerPage) in 1995 and is considered to be one of the fathers of blogging.... Full Bio

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