martijnv Posted November 5, 2021 Share Posted November 5, 2021 The "Calling All 800s!" topic got me interested in decoding the serial number(s) of the Atari 800, so I started looking if I could make any sense of it. I could not find a good description, so I made the one below. It is based on the owners list in the "Calling All 800s!" topic and divided in weeknumber/year periods. Hope this makes sense and helps other people. ==================================== Periods ==================================== 45-79 / 49-79 1: Y WW SSSS 04-80 / 16-81 1: [G] [??] WWY SSSS [??] 2: WW???/??? 16-81 / 24-81 1: [XXX] SSSSSS WWY [G] 2: WW???/??? 39-81 / 06-82 1: [G 16K] WWY SSSS 2: [G] [???] [XX]IIIIII[-16] MM/DD [L?? ?] 08-82 / 26-82 1: [XXX] SSSSSS WWY 2: [G] [???] [XX]IIIIII[-16] MM/DD [L?? ?] 28-82 / 16-83 1: [XXX] SSSSSS WWY 2: XXIIIIII MM/DD 16-83 / 24/83 1: FFF XX SSSSS WWY 2: XX IIIIII MM/DD ==================================== Explanation ==================================== 1: = Primary label 2: = Secondary label [] = Indicates optional part ? = Unknown SSSS = Case Serial Number IIII = Internal Serial Number WW = Week number Y = Year MM = Month DD = Day 16K / -16 = 16KB version G = GTIA chip XXX = Type 052 800 PAL Europe (incl. SECAM) BK 800 PAL UK AW 800 NTSC US CA 800 PAL Europe FFF = Factory 83S Atari Sunnyvale 83A Atari Wong Quote Link to comment Share on other sites More sharing options...
martijnv Posted November 5, 2021 Author Share Posted November 5, 2021 (edited) Also looked at the 400 numbers, these look even a bit more messy, but they translate basically the same. The type translates as follows: XXX = Type 050/051 400 PAL Europe BZ/BY 400 PAL UK AV 400 NTSC US Edited November 5, 2021 by martijnv Removed syntax high lighting Quote Link to comment Share on other sites More sharing options...
+kheller2 Posted November 12, 2021 Share Posted November 12, 2021 Was there ever a 72R for ATMC? I see FCC grants, hence the question. Quote Link to comment Share on other sites More sharing options...
BillC Posted November 13, 2021 Share Posted November 13, 2021 (edited) 3 hours ago, kheller2 said: Was there ever a 72R for ATMC? I see FCC grants, hence the question. 72R/Atari Taiwan Manufacturing Corp. was one of the locations that manufactured the 800XL, 1200XL, 130XE, XF551, XEP80(this is just from my collection, I don't know about other products) Other locations were: 83S = Atari, Sunnyvale USA (many products including 400, 800, 1200XL) 83A = Atari-Wong Co., Hong Kong (800 for certain, others?) 7YJ = Chelco, Hong Kong (600XL and 800XL for certain, others?) 7VD = Atari-PCI Enterprises Pte. Ltd?, Singapore (Tandon 1050 for certain, others?) I posted some of this with products codes for the 800XL last month, though I didn't know the Taiwan manufacturer at the time. Edited November 13, 2021 by BillC Quote Link to comment Share on other sites More sharing options...
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