Help with early Mac serial numbers

From: Keys <jrkeys_at_concentric.net>
Date: Thu Apr 1 20:08:16 2004

I pulled one of my early 128k Mac's from storage for part of a Apple display
I'm doing on the 17th and was trying to find out the breakdown of the serial
number. The number on the unit is F40220FM0001 and I'm guessing that the two
F's are just there for show and that 40220 is the serial number and M0001 is
the model number? Is this correct?
Received on Thu Apr 01 2004 - 20:08:16 BST