Acer XD1170D XD1170D/1280D Service Guide - Page 121

Appendix Serial Number Definition System I. Serial Number System Definition Serial No. (Acer Barcode rule), 22 digits (Barcode Type: Code 128) The coding rule of the Bard Code: (1) PPPPPPPPPP (10 digitals) : Part Number excluded "dot" Ex: EY.J1401.001. (2) WWW (3 digitals) : Week Code The first digit is the last letter of the year; the other two letters are the number of the weeks. Ex: Year 2001 10th weeks => 110. (3) SSSSS (5 digitals) : Serial Numbers From 00001 to FFFFF by hexadecimal 0~9, A, B, C, D, E, F, weekly reset the number Started from "0001". (4) MM (2 digitals) : Manufacturing Code Manufacturing Code will be applied by different manufacturing site. Coretronic : PP / RU / RM (3 different sites) (5) EE (2 digitals) : Eng. Version Code If it doesn't have version control, it will be put with zero "00". Appendix 112