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Everything posted by Sean39

  1. Thank you for pointing that out. Then my father was correct. He would know since he spent time working at Atari Corp under contract. He told me the Earliest units had the serial number followed by the letter E I am guessing that something like 005000 E would be very early I have my fathers that he brought home it 57020 E. I would love to find an earlier unit than his but that has not happen yet. Now my father passed away in 2003 and so did all of his knowledge. Thank Sean
  2. To whom it may concern I am trying to remember what my father said. I know there has to be other people who were around when the VCS came out in 1977 I know that Atari pong Systems had serial numbers such as E 90089 or D 56534 Ok I also know when the VCS it was common to see serial numbers such as this 45343 E or 56278 E These would be really early serial numbers Ok My father said when unit came in for repair a new label would be placed over the Original label and would only have a number and no letter following it. If my father correct on this please let me know. He has long passed away since all of this. I see this very old unit on ebay but I cannot tell if there a label under it but it is only a number like my father said. https://www.ebay.com/itm/303497891034?hash=item46a9e24cda:g:gQMAAOSw1kpeU1rI I need help on this so I dont buy a unit that is only a repair unit with a repair label. I want to know did Atari put any labels out in the Beginning that had no letter following the serial number. My father told me no they always had a letter following the serial number unless it had been repaired . My father said They left the letters off the new labels that cover the old label to make it easy to tell what units had been sent in for repairs by them. Please is there anyone who can confirm what my dad said since my dad is no longer around. My dad worked for Texas instruments in the 1960s and in the early 1970s he worked for Atari under contract work. Anyways any help would be appreciated Thanks
  3. I meant to say thread instead of post. Thanks Sean
  4. We Really need to get this list updated with serial numbers. I have been Watching this post since 2005 when it was first done. Really we need to make this list current and up to date. Thanks Everyone Atari Units #009986 #57020E Sean Whiteacre #59837E Spirantho #60796E Atari2600.com (in inventory as of 4/20/07)[/size] #69277E jaymz887 #70796E smilin_joe_fission (Sold in 02 on eBay) #71862E orangest no channel select hole #73146E airwavesFM Both the main board and the switch board say "rev. 1 1977" #77419E video game addict #77491E Sean Van der Linden, San Francisco CA (Stella's Boneyard) #84822E HP Atari King of Michigan #87521E hookem #89540E Atari2600.com (in inventory as of 4/20/07) #90472E PacManPlus no channel selector switch. #95143E Ebay (posted by izzy) #96936E KrazyKaiju no channel selector switch, or hole. (Formerly owned by A.J. Franzman) #97847E toymailman #99277E lowscore #15031F ianoid #17277F toymailman (Sold on Ebay to geier911 on 9/20/2008) #20430F robotkingnes (Purchased from toymailman 11/29/2008) #26872F Phillip Shepherd, Dallas TX (Stella's Boneyard) #28204F toymailman (Sold on Ebay 11/07) #32570F fire!fire! #34337F ataricharles #45105F Wester #45981F hanglyman #48417F Atari2600.com (in inventory as of 11/18/07) #49868F Esper Wizard #53705F Sold on Ebay to finestmemories 11/22/2008 by toymailman (Sears lid and Sears service sticker on bottom) #55239F Atari2600.com (in inventory as of 4/20/07) #55603F taintedlove no channel selector switch, or hole. #66067F Scott Steinhaus, Glencoe MN (Stella's Boneyard) #67972F gulag picture radio #70847F ovalbugmann (no A/B switch hole) #70865F Jeremy Cline, Indianapolis, IN (Stella's Boneyard) #71203F Asaki no channel selector switch, or hole. #71977F Atari2600.com (in inventory as of 4/20/07) #72998F thevnaguy #73643F NorbytheRobot #78327F ToddRogers- Todd calls it a "U shape" Atari 6 switch. I think he is referring to a Heavy Sixer #79184F MiKOTRON #80472F Laner no channel select hole #82069F Atari2600.com (in inventory as of 4/20/07)S/N label with battery warning precaution #85892F Schitti #86301F hbomb #93488F Deteacher no channel selector switch. #97014F EricDeLee #97579f revsdr no channel selector switch. #85397F tremoloman2006 #86077F krypton85 No channel select hole #87544F atari_wizard #99940F pocketmego #99968F toymailman Channel select hole, no switch. #12137G ma sw (Stella's Boneyard) #12272G bet No channel select hole, no switch. #12957G Galaga_Freak Channel select hole, no switch. #14649G the 5th ghost Channel select hole, no switch. #17597G Atari2600.com (in inventory as of 4/20/07) #18009G famicommander #19073G LittleJoe #19977G shadowdoggie #20600G Kratogen #25591G Atari2600.com (in inventory as of 4/20/07) #29438G darthkur (No channel selector hole) #29607G co13ghoul #33746G ResOGlas Hand Stamped "Factory Reconditioned 49.8" over the serial label. #35104G Atari2600.com Boxed #36834G TunnelRunner #38180G Dr. Morbis #41474G Atari2600.com (in inventory as of 11/18/07) #42919G atari_envy #48185G Atari2600.com (in inventory as of 4/20/07) #51074G Ze_ro #52594G Atari2600.com (in inventory as of 4/20/07)complete in original 1977 version box (with chess piece) #53293G Marco Kerstens, The Netherlands (Stella's Boneyard) #54565G SpiceWare no channel selector. #55274G Bucket Brigadier #57532G Omegamatrix #58708G video game addict- No cut-out for channel switch. #58731G atari_envy #58732G Ebay (posted by izzy) #58988G Seen in a Goodwill Computer Store, Austin TX (Stella's Boneyard) #59533G Jean-Marc Regent, Paris, France (Stella's Boneyard) #61339G cougar302b #62821G fire!fire! #65965G Big Player- (No Channel Select Switch) #66477G kevin242 #67260G SINGLE TOOTH #67588G G.Whiz (bought at Eaton's in Canada,Christmas '77) #69403G remowilliams no channel select hole/switch. #71460G birdie3 #71759G Omne #72132G Atari Leaf #74507G Ebay seen by N. Oseth (Stella's Boneyard) #74547G Atari2600.com (in inventory as of 4/20/07) #74606G SeaGtGruff #75183G Doug Korekach, McKeesport, Michigan (Stella's Boneyard) #76090G corbysatarigame #80835G ptol #82412G phaxda #82507G Rik no channel select hole/switch. #83634G Dauber No channel select switch (New owner) #85822G llabnip #88108G HatNJ #89536G opeygon #91552G Ebay (Posted by Uzumaki #95382G MIB! Kyle Boyd (Stella's Boneyard) #11803H toymailman #12109H Elw00d #13748H toymailman #16897H video game addict- with no channel cutout on bottom #18858H Ebay (posted by video game addict) #23909H Marianne and Rex Sorensen, Prescott AZ (Stella's Boneyard) #23915H Mike Slys, Merrillville IN (Stella's Boneyard) #24813H cosmosiss #28921H Atarius Maximus #29102H ChevyNo1 No channel select switch #31117H keilbaca #32758H Atari2600.com (in inventory as of 4/20/07) #34723H Atari2600.com (in inventory as of 4/20/07) #36872H Scott Lindberg (Stella's Boneyard) #37034H yeaadudee #38784H Atari2600.com (in inventory as of 4/20/07) #39671H jetset #42137H Longhorn Engineer Channel Select Hole Not Present Top Board: Rev 5 Bottom Board: Rev 8 #46924H davepesc #52286H Tempest No channel select, "silver" sticker over original sticker, silver sticker #39306 #64281H silver_surfer #64838H bah #64931H Sir Galahad #67236H Robert Johnson (Stella's Boneyard) #68616H Atari2600.com (in inventory as of 4/20/07) #69519H Broonale (No channel select switch) #71720H HatNJ (No channel select switch) #75266H Rosy Gibbs, Portland, OR (Stella's Boneyard) #75603H izzy #76118H wgungfu #79394H BigO no channel select hole/switch #79466H 20eyes #83498H Ebay (Posted by Wester ) #94041H eegad (No channel select hole/switch) #94093H Chris Stempert (Stella's Boneyard) #94357H badbrad #96011H Atari2600.com (in inventory as of 4/20/07) #16273J Nightwing #20569J darthkur "Channel Select A - B" but there is no switch #22304J pm_john no channel select switch, but has the hole #25311J Adrian M #26098J Ebay (posted by izzy) #27780J ditasw #31459J orangest channel select hole but no switch #32119J Jim Pisarz, Memphis TN Stella's Boneyard) #33696J Atari2600.com (in inventory as of 4/20/07) #35886J darthleppard #34540J the 5th ghost #38120J MIB! Geo Reese, Simi Valley CA (Stella's Boneyard) #49622J Atari2600.com (in inventory as of 4/20/07) #57827J Phantom #57965J Atari2600.com (in inventory as of 4/20/07) #59701J Atari2600.com (in inventory as of 4/20/07) #71718J edweird13 no channel select switch. #73100J Scott Stilphen #74234J cosmosiss #76418J pboland RECONDITION #83068J dangevin no channel select hole/switch. #83093J Zwackery #83487J robotkingnes (Purchased from toymailman 12/06/2008) #98429J LittleJoe no channel select hole/switch. #12790K inextremis staple #13602K Heavy6r #14255K ResOGlas #15464K Longhorn Engineer no channel select switch, but has the hole #17718K almightytodd no channel select switch, but has the hole. #22681K Ebay (posted by izzy) #22881K keilbaca- with a stamp that says S279 #24133K maroguy #45008k Zoyx #47955K Brendan D. Donahe, Austin TX (Stella's Boneyard) #48006K ninermaniac #54504K Game God (Stella's Boneyard) #68331K Lendorien ( Channel selector present) #68557K Atari2600.com (in inventory as of 4/20/07)complete in original 1977 version box (with chess piece) #80788K therealred5 "Lot #3 2/14/78" #85109K Andrew (Stella's Boneyard) #99400K Statch no channel select switch, but has hole for it (says Channel A or B) #42711L Ebay (posted by davyK) #52601L Ebay, 1/5/04 (Stella's Boneyard) #55437L nathanallan #62659L M-Funf #64833L elliott no channel select switch, but has the hole. #65437L Nemesis #67616L Atari2600.com (in inventory as of 4/20/07) #70447L NovaXpress #71331L Stephen no channel selector switch. #78960L RunnersDad #85955L Doug Korekach, McKeesport, Michigan (Stella's Boneyard) #99242L Tara #97988L Atari2600.com (in inventory as of 4/20/07) #27628M Atari2600.com (in inventory as of 4/20/07) #33007M Matt Dunn, Glassboro, New Jersey (Stella's Boneyard) #33273M Kialan #44273M Wester #48593M Atari2600.com (in inventory as of 4/20/07) #49716M russell56443 #52875M nitrosport #53351M thevnaguy #55239M frankmcc #55369M ianoid #55581M HatNJ #60594M Chubsta (no channel select switch) #75830M volkssuper #79427M the.golden.ax (formerly owned by ApolloBoy) #79922M therealred5 #81453M Zonie #83177M Ebay (posted by izzy) #84470M Atari2600.com (in inventory as of 4/20/07) #93499M lgallair (Purchased from the 5th ghost) #94317M l3ushwig #94553M Jeremy Hudson, Loveland CO (Stella's Boneyard) #94633M Dauber no channel selector switch. (New owner) #94723M bah (channel switch/hole , 7805 voltage regulator screwed to the board, not on a separate heat sink) #94779M Green Bay Paddlers #96501M wgungfu -Circuit board stamp "Lot #6 3/28/78" #10961N l3ushwig #16829N Laner #24505N Daniel Stoltz (Stella's Boneyard) #42427N JacobZu7zu7 #64200N Wickeycolumbus (Channel A/B hole, but no switch present) #85378N Nicola Vallieri, Italy (Stella's Boneyard) #98169N KoffinKorner #11908P Alex Pikelhaizen, Belo Horizonte, Brazil (Stella's Boneyard) #11979P tisaperfectdayel... (Selector hole but no switch) #21384P LittleJoe (Channel A/B hole, but no switch present) #41130P opeygon #44926P Cassidy Nolen no channel selector switch. #51160P neopeius (Thrown away, Broken)RIP Sears Units #56534R Longhorn Engineer No Channel Select hole/switch. Says Rev 8 on the bottom board and Rev 5 on the top board #67960R Atari2600.com (in inventory as of 4/20/07) #68822R rickinhammond no channel select hole/switch. #68832R co13ghoul #72112R Uzumaki #76861R Luigi301 #79555R crunchysuperman #82475R shadowdoggie #83311R shadowdoggie #85045R Elw00d #85373R bah #86456R rixdafix #94451R Jesse Hardesty (Stella's Boneyard) #96107R Statch no channel select #98611R shadow460 #99424R Lemmi #11878S spacecadet #15216S toymailman #19755S CPUWIZ #20989S revsdr #33851S patthered #46634S rsiddall #49563S rixdafix #51967S Galaga_Freak no channel select hole/switch. #52912S Wester #65531S staberinde #66201S SINGLE TOOTH #75872S Cassidy Nolen #76078S video game addict No Channel select hole. #77813S mathwontmissyou(No selector switch) #82454S Wester #83987S Tron2005 No channel Select switch #90816S LittleJoe #91492S simbalion no channel select #91885S Greg Venbrux, Florida (Stella's Boneyard) #30855T Kepone #32951T ResOGlas #59583T Almost Rice No channel Select switch #67565T EricDeLee #67761T l3ushwig- No Channel select switch or hole to switch it. #69132T Wester Channel select hole, no switch. #76246T mimo #82973T BigO #84199T dinty2004 (Purchased from toymailman 12/06/2008) #84575T keilbaca #93818T Mirage1972 #96879T adams_ale #99317T the 5th ghost No Channel select hole. #11506U joserb #14854U Elw00d #15264U lowscore #20546U rsiddall #25035U AtariMan1976 #25610U cosmosiss #29127U Wester #29709U Andrew Cox (Stella's Boneyard) #41198U Chainclaw #62687U Wester #67083U BigO #70468U hookem #77777U Opo Terser #90875U SteveW Silver "Sears Reconditioned" sticker, 7-4 etched in by hand, channel switch (deeply recessed with hole) #14596V co13ghoul #30592V tremoloman2006 #36190V bet (Channel selector hole, no switch) #48992V the 5th ghost #50245V DrLove0378 (Channel selector hole, no switch) #54035V toymailman (Sold on Ebay 11/07) #77041V JacobZu7zu7 #87212V "In the wild" (Formerly owned by Deteacher) cutout at the bottom and the words "Channel A/B" on the bottom, there is no actual channel selector switch cutout at the bottom and the words "Channel A/B" on the bottom, there is no actual channel selector switch Two Sticker Units #48594 silver/ 83492J white from phitter #019322 thomas3120 #006391 ianoid #007649 grimbasement White sticker #007621 Christophero Sly- No channel select switch, White sticker #168543 gogoric Silver sticker, no sticker under it.Factory Rconditioned sticker W/ date December 10, 1981 PAL Units #70039 deathtrappomegranate- #70457 Pipster #75127 Ebay (posted by Pipster)[/size] #79533 Pipster #79592 mimo #80088 Mimo originally on Ebay (posted by Pipster) #80026 chubsta no chnnel select switch, no FCC declaration on sticker #80252 Ebay (posted by izzy) #80473 deathtrappomegranate- Other Units #81403487 82atari5200- Taiwan heavy, Manufactured for Atari By Dimerco Electronics #81607536 djmips (Dimerco Taiwan, Board is REVB C010433, Shred of paper taped inside is stamped Aug 13 1981) #T 0000296 w3ace- Taiwan #T 0002030 Aaron Fry, Lancaster, Pennsylvania (Stella's Boneyard) #T 0003246 bjk7382- Taiwan #T 0004278 Posted by A.J. Franzman in shop for repair (channel A-B hole and switch) #T 0012202 Omegamatrix channel A-B select slot, but no switch to select inside #T 0012493 video game addict- Taiwan #T 0013496 lowscore (formerly owned by badbrad) now sold to unknown ebayer- Taiwan #T0016436 dpg- Taiwan build date of July 8/1978 on a tag taped to the sheilding inside #T0016613 Great Hierophant- Taiwanese built Heavy Sixer #T0025509 homerwannabee Taiwanese built Heavy Sixer w/ channel select hole #T0028494 pangmaster Taiwan build date of July 15, 1978 on a tag taped to the sheilding inside #T0029760 Prodos8 Paper tape on RF shield date stamped JUL 15 1978 #T 0029887 Matt Ringuette, Pasadena CA (Stella's Boneyard) #T0030500 Uzumaki Paper tape on RF shield date stamped Jul 19 1978 #T0033750 y-bot Taiwanese built Heavy Sixer w/ channel select hole, "6 80" stamped in red, "Sears Reconditioned","7-29-82" #T0039128 Atari Charles Taiwanese built Heavy Sixer, 3279(STAMPED IN RED) #T0071875 RunnersDad #85977M smilin_joe_fission Sunnvale "light" sixer, has heavy sixer internals, channel select hole (no switch) #88805M toymailman (Sunnyvale made Light 6'er) #73146N hookem- )Sunnvale "light" sixer, has heavy sixer internals (no channel select switch) and the standard white Sunnyvale serial # label) #75553N iangamer (Sunnyvale Light 6'er w/ channel select hole) #88918 ozatariprincess- Sunnyvale PAL light sixer. It did have heavy sixer guts, but I had to replace the guts as it was not working properly #56924U Ebay (posted by izzy) Light Sears Sixer case with Sunnyvale Sticker #38706V Ebay (posted by Christophero Sly) Sears light sixer w/ H6 style S/N #86329V rixdafix Light Sears Sixer channel switch (deeply recessed with hole) #23235P superdevil Light Sixer with Heavy S/N sticker channel selector hole, no switch #45347P izzy Light Sixer with Sunnyvale sticker #3034 Derek Grieselding (Stella's Boneyard) #43971 Francisco Tovar, Los Angeles CA (Stella's Boneyard) #66713 jahfish Sebastien Clave (Jah Fish), Berlin Germany (Stella's Boneyard) #6948V J&P (Stella's Boneyard) #764647 toymailman (Sunnyvale made 4 switch rev. 8 motherboard) #99389 (Sears heavy sixer) Scott Steinhaus, Glencoe MN (Stella's Boneyard) #0010252 CPUWIZ, Sunnyvale CA (Stella's Boneyard)
  5. I wrote earlier on this but could not finish. I just want to say take care my Dear Friend and RIP . I will truly miss you being around since you were not only a friend to me but acted more like my brother. This meant so much to me and I cannot say that about anyone else.
  6. What happen? I have been writing him for a very long time. He even had me send pictures of my fathers things when my Father worked for Atari Corp. Curt even sent me things as well his book signed by him. He was a close friend to me. He was way to young to die. He was younger then me. It like loosing a younger brother. Ok I am sorry this is way too much for me . I am having a hard time believing he has passed away. I always talked to him about my father. My father only did not work for Atari but he had worked for Texas Instruments. As well many other companies and Curt would always ask me very detail questions on What my dad did. I just feel so bad for his family. Now one of my best friends has died. Ok I cant do this anymore
  7. Hi Everyone I forgot to place the model number of the Console. Model is: FD 3000 W System is : First Dimension Video Sports Thanks
  8. Hi I have been working on restoring a few units and have all controls working but cannot seem to get the ball to come up Does anyone have a service manual or Schematic for this console. Thanks
  9. Hi Ksarul Hi I will PM you please put me down for a board Thanks
  10. I found this working real early mother Board of the TI-99/4A computer in a really high serial number case. Someone at one time must of wanted a nicer case and place their old mother board in to it. I am taking scans and pictures of this very early computer. This is the Earliest TI-99/4A I have ever came across. I went to clean the cartridge slot since it acted like it was a little dirty. Anyways I saw a date code on it 8149. I thought this was strange to see. Then the wiring color was off and I thought well maybe they did it different on 1983 computer since that the date code on the case for mid part of 1983. Then I open it and to my surprise it this really old mother board. I wish Now I had the matching case so I could have a real complete early dated TI-99/4A computer. I have the Regular TI-99/4 computer but I have never seen a TI-99/4A computer with 1981 chips. I am guessing in 1981 not many of the TI-99/4A computers sold that year. Ok I am attaching 2 pics and will attach more later. I feel strange now sticking such an early mother board back in to a later version case. Does anyone know where I could get just an early case to place a computer like this into. Sure there has to be early version computers that are broken and I can stick this working one into it case. Thanks
  11. Hi Ksarul Thanks for that information I have found a working TIM9904ANL and it did not work in the computer. The chip in my computer is a SN74362N /TIM9904NL I am guessing the difference are enough that the TIM9904ANL chip will not work in my computer and it did not work. I just figured my computer went bad. I am just needing the correct chip to bring it back to life then. Thanks
  12. WOW Thank you. I looked and could not find it on ebay when I looked. Now I will be able to get my computer back up and going. Thank you so much.
  13. To everyone I need to find a replacement chip and tried ebay and anywhere I could look. I need a SN74LS362 chip used for the clock on the CPU. same chip function. The heat sink compound dried up on my computer for that chip and bye bye chip went. Till I get a clock chip the computer will not work. Please help Thanks
  14. Well I have not even had one response back from that seller. I am guessing maybe I over whelmed him with so many questions. Thanks
  15. Hi see the one on ebay that had sold on ebay was a Dimension 4. The one up there now is not a Dimension 4. The Dimension 4 are the proto types. So the one up on ebay is just a very early T-99/4 computer and not a proto type computer. This one is actually a true proto type since it is a Dimension 4 computer. Like my father talked about when I was on 15 years of age in 1978. https://www.ebay.com/itm/Texas-Instruments-TI-99-4-Prototype-034-Dimension-4-034-extremely-rare-034-As-Is-034-/264620957469?hash=item3d9ca35f1d%3Ag%3A3IEAAOSwW-heNwPD&nma=true&si=wYyTnyyX5eWZg3rCX3j6lge7HAk%3D&orig_cvip=true&nordt=true&rt=nc&_trksid=p2047675.l2557 Thank that clear up alot of things so the one up on ebay is way over priced since it is not a proto type computer. Just a very early TI-99/4 computer and maybe the number 717 is correct and that is a serial number. or it just means 7 / 7 Which would be 7 out of 7 computers. Well is this computer worth what they are asking for it ? https://www.ebay.com/itm/Vintage-Texas-Instruments-TI-99-4-Engineering-Prototype-717-No-Serial-Number/133264016332?hash=item1f072783cc:g:iOoAAOSwBi5d3JS6 Is this worth getting in memory of my father work. I just do not want to pay a price that normally goes for a proto type Computer. This is not a Dimension 4 computer like the one that was on ebay in the past.( which was a true proto type computer) Thanks
  16. Hi I may of put this under the wrong thread but if anyone can read my post above this one. Please see if you can help me out on the computer that is up for sale on ebay. This would be so appreciated more than you will ever know. Thank you.
  17. Hi That is some great information. I can see you have not found a 1981 console either for the TI-99/4A . I am starting to think an actual 1981 console might be pretty hard to find. Anyways that is great information on that list Thank you
  18. Ok I will look and see what other chips may have gone bad and see if I can get the computer back up and going Thanks
  19. Well I now have one PEB completely working. It has the Serial card, 32K card and the drive does work. I did fix the drive that was sticking but I found I like the way the Remex drive load faster. This is working drive and very fast drive to load programs Ex-Cell-o-Corparation Remex Division Model RFD480 I have a 3rd PEB box and it has the drive that has the button on it. Yes I have 3 PEB boxes. Just say that I really love having TI-99 equipment. With my dad being in the military from 1959 to 1968. Then he got out and started to work for TI in 1968 to the early 1980s. Then he went to work for another company really not sure but I know they did work for Atari and other companies. He was an electronic Engineer. Anyways there is stuff I really like about the TI computers but I have programed on the Atari computers as well. I know my dad work on the TI 2500 in 1972 which was one of the first hand held calculators made by them. Anyways I am really trying to get one of these computers up in memory of my father. I know my father always talked about the Dimension 4 computers and that was the only proto type I knew of on the TI-99/4 type computers. Well at least before the name changed. If there were other proto types I never heard my dad talk about them. I need some help on this. I have been looking at buying this computer in memory of my dad on ebay but I am afraid to buy it since it is not a Dimension 4 computer. Please look since it has a card on the bottom of it but that cannot be the only evidence of it being a proto type. I am afraid that could be printed now a days and just stuck on the computer. Also look at the date on most the chips are early but the U610 chip date seems way newer than the earlier chips. I was really young still in 1978 and 1979. I was around 15 years old back then,so a lot did not stick with me. Anyways I will post the link to the computer. I would love some help on this before I spend a lot of money on a computer that may not be a proto type. Also it looks like the seller is selling this computer for someone else. I do know it may not work as well. Anyways take a look and please give me some advice weather this is a proto type or not. I am not just going by the label on the bottom that could be printed on a computer. I might be being over cautious but I think it better to be safe than sorry. https://www.ebay.com/itm/Vintage-Texas-Instruments-TI-99-4-Engineering-Prototype-717-No-Serial-Number/133264016332?hash=item1f072783cc:g:iOoAAOSwBi5d3JS6 Ok guys I need help on this one, If this is real . Then I will be getting this in memory of my dad time at Texas Instruments. I just wish he was still alive to see it. Thanks
  20. Hi I started this thread for one reason the serial numbers really do not make any sense. I just want a clear understanding how the TI-99/4 and TI-99/4A serial number work I have read on many web sites that only about 2.8 million computers were ever shipped out. Ok Why is there serial numbers of 30 million to 54 million on computers As well one I have that says 6,006,039 with a date code of LTA 3183 For the strange one Serial number 7,237,627 date code LTA 1383 Which means this one was made before the computer with 6,006,039 serial number ????? ((((While my earliest one has Serial number 2,411,226 with a date code LTA 3882 ))))) Which puts it under the 2.8 million ,so why are there serial numbers larger than the 2.8 million mark ? Did Texas instruments make more computers than the 2.8 million everyone talks about on all these web sites. Thanks
  21. That computer has gone to rest no longer works. I have one that does work and will have to use it. It just stop working. Really not sure what was wrong in it but it now does not function at all. For now I will store it till I have time to try and repair it. Thanks
  22. I am using a CRT. Would the graphics chip have dirty contacts on the chip. I think it is in a socket ? Well the computer does not load up the main screen that say TEXAS instruments 1981. Now it will load it up if I press the function key and + key at the same time that reboots the computer. Thanks
  23. Hi I just received the new computer that says it works. Well it does work but there seems to be an issue. When I turn it on the main screen flashes on only for a second then goes blue. I found if I press the function and the + it reloads and the main screen comes up. It also seem to load all software and games ok, so why when I first turn the computer the main screen pops up only for a second and goes blue. Again if I reset the computer by pressing the Function and + together it reloads and the main screen comes up. What can I do to fix this problem. Thanks
  24. taking drive out right now Found problem Write protection arm was sticking up to far. Re adjusted it and disk now goes in and out ok. Also I can hear the switch working in case I do stick a write protected disk in it. Look like we are good now. I have PEB coming with the Push button You were taking about. The other PEB has a different drive in it that over 1/2 half the space so I had to fit a piece in the space that was open to close the part that was open It was the Remex type drive that was in earlier post. I found that drive worked and loaded programs really fast compaired to the original Texas instruments drives This is working drive and very fast drive to load programs Ex-Cell-o-Corparation Remex Division Model RFD480 Texas instrument drive is Model PHP 1250 Thanks
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