davidcalgary29 Posted June 1, 2016 Share Posted June 1, 2016 When did the last 400 roll off the production line? Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3521883 Share on other sites More sharing options...
ClausB Posted June 1, 2016 Author Share Posted June 1, 2016 The last one on our list is dated the 20th week, or May, of 1983. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3521926 Share on other sites More sharing options...
Muzz73 Posted June 3, 2016 Share Posted June 3, 2016 Here's mine... NTSC, also from the 20th week of 1983. And yes, it really is that sunburned! Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3524083 Share on other sites More sharing options...
48kRAM Posted June 5, 2016 Share Posted June 5, 2016 My A400 is serial number 235361. Date code is 073. I don't know the TIA chip. I've had this machine since about '85 or '86; my dad bought it used from a coworker iirc. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3524869 Share on other sites More sharing options...
pkriek Posted June 5, 2016 Share Posted June 5, 2016 Hi serial number: 222530 I dont see a date, where should it be? Patrick Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525103 Share on other sites More sharing options...
+DrVenkman Posted June 5, 2016 Share Posted June 5, 2016 Hi serial number: 222530 I dont see a date, where should it be? Patrick Typically it would've been a 3 digit code stamped on the bare right side of the label, where your label is blank. Some units also have a three digit code engraved or stamped in the plastic case, though it's not consistent and it's unclear if the date on the plastic corresponds with the date of assembly or the date the case was received from the injection molding company, etc. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525134 Share on other sites More sharing options...
Bikerbob Posted June 5, 2016 Share Posted June 5, 2016 Been here a while so I thought I would put my babies number up here. mine is 516743 and date code is 013.. so that is first week of 83? wow.. that does not match my memory.. I wonder if it got swapped out when I had it in for service anytime. My reciept for my Inhome B keyboard is Dec 82.. I got my 400 in 80 I think.. now I did have it go in for service 2-3 times.. once for a failure, once for the Keyboard and once for the 48K upgrade. I had this from before I was in High School, but I started in 82. hmmmm. James Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525161 Share on other sites More sharing options...
ClausB Posted June 5, 2016 Author Share Posted June 5, 2016 I have been wondering about the lack of any 1980 400s on our list. Sometime between 1979 and 1981 they switched from YMM to MMY datecode. Maybe your 013 is the thirteenth week of 1980? The be sure, could you look at datecodes on the IC chips inside? They go by YYWW usually. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525451 Share on other sites More sharing options...
Bikerbob Posted June 6, 2016 Share Posted June 6, 2016 Now if it was the 13th week of 1980.. I think that would be about right.. because I got my computer and 410 recorder first... then I got the keyboard upgrade.. then the memory.. finally about 1984-5 I got my 1050 for christmas. OH I was a happy guy then.. no starting to load a game, going for dinner, and maybe if I was lucky getting to play it soon after dinner.. LOL!! I will take a look inside in the next few days. James Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525762 Share on other sites More sharing options...
ClausB Posted June 6, 2016 Author Share Posted June 6, 2016 Also look for a datecode stamped into the plastic case bottom toward the rear (see various photos upthread). Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3525841 Share on other sites More sharing options...
driph Posted June 7, 2016 Share Posted June 7, 2016 AV 417493 133 Looks like someone went bonkers with the date stamp on this one: 1 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3526418 Share on other sites More sharing options...
pkriek Posted June 11, 2016 Share Posted June 11, 2016 Hi as you can see on the photo, the number is not on the stocker. serial number: 222530 I found the number stamped in the plastic, can this be it? it says 262. Patrick Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3529277 Share on other sites More sharing options...
flowerking Posted June 12, 2016 Share Posted June 12, 2016 The serial number of my Atari 400 is: BZ 106653 Datecode: 023 It's a PAL-machine Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3530142 Share on other sites More sharing options...
Agent570 Posted June 13, 2016 Share Posted June 13, 2016 Hi folks.... Serial #: 259012 Datecode (engraved): 232 This one is from "The Programmer" kit I received for Christmas back in the day... Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3530900 Share on other sites More sharing options...
troff Posted June 14, 2016 Share Posted June 14, 2016 Mine is serial # 367313, date code 153 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3531292 Share on other sites More sharing options...
rdefabri Posted September 23, 2016 Share Posted September 23, 2016 I have to dig mine out, but IIRC it's ~1980 I purchased it. Upgraded to GTIA at a later date. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3600204 Share on other sites More sharing options...
Tempest Posted September 24, 2016 Share Posted September 24, 2016 Let's see: 440767 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3600726 Share on other sites More sharing options...
wemichener Posted March 18, 2017 Share Posted March 18, 2017 I know this is an old thread but I thought I would add my Atari 400 serial number I have embossed: ATARI / 432AV 444156 White sticker AV171660 and numbers that look like 10128482 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3721325 Share on other sites More sharing options...
Roydea6 Posted June 30, 2017 Share Posted June 30, 2017 New to me works good for a 16k machine. Lots of carts run okay the flash carts not so much. Looking forward to Jürgen's 400 48/52K with OS/slots. 2 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3796135 Share on other sites More sharing options...
davemac Posted August 1, 2017 Share Posted August 1, 2017 Hello, My 400 is a UK PAL model with serial BY 110920. It looks to be a late '81 model. Thanks, Dave. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3818619 Share on other sites More sharing options...
chevymad Posted November 22, 2017 Share Posted November 22, 2017 Thought I'd added mine. But don't see it. AV201188 Hand written label - AV 152166 8/18 and engraving 342. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3895454 Share on other sites More sharing options...
mutterminder Posted November 23, 2017 Share Posted November 23, 2017 The first one I've found is AV206177, and is stamped 122 in silver in the plastic. I also looked at one of my Atari 800s. It is has a S/N of G 16K 062 8153. The way it is written makes it look like it was shipped with 16K, but that doesn't seem right, it must be a coincidence. The unit has 48K now. It also had a pushbutton switch and a toggle switch mounted underneath. I assume the push button is some sort of reset. I'm not sure what the toggle switch is for. It's been there as long as I've had it, and that must be at least 15years. Maybe I'll open it up this weekend and see what it is. Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3896212 Share on other sites More sharing options...
jjost Posted January 23, 2018 Share Posted January 23, 2018 Here are my 400s. I upgraded the first one to 48k after reviving it (needed a new ROM set). 1 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3942236 Share on other sites More sharing options...
ClausB Posted January 24, 2018 Author Share Posted January 24, 2018 On that first one, are there numbers stamped in the plastic case bottom? Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-3943469 Share on other sites More sharing options...
adamchevy Posted September 28, 2018 Share Posted September 28, 2018 Mine is AV280101 Date Code: 083 Quote Link to comment https://forums.atariage.com/topic/176199-calling-all-400s/page/8/#findComment-4122544 Share on other sites More sharing options...
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