TI-99/4A Computers

6,154 topics in this forum

1. AXELF Theme for MDOS mode

   By 9640News, April 6
   • 2 replies
   • 136 views
   • 
   • 9640News
   • April 6

2. TMS2564

   By atrax27407, October 6, 2017
   • 20 replies
   • 2.3k views
   • 
   • acadiel
   • April 6

3. IO Error Listing

   By Cheung, April 5
   • 1 reply
   • 105 views
   • 
   • HOME AUTOMATION
   • April 5

4. John Willforth ProtoType Board Manual

   By dhe, April 2
   • 10 replies
   • 260 views
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   • RickyDean
   • April 4

5. Repair service

   By garetjax, April 1
   • 3 replies
   • 217 views
   • 
   • garetjax
   • April 3

6. QI model schematics 1 2

   By JasonACT, March 25
   • 35 replies
   • 743 views
   • 
   • Gary from OPA
   • April 2

7. TI-99/4a Audio Spectrum Analyser

   By jrweikle, March 19
   • 8 replies
   • 340 views
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   • KG7PFS
   • April 2

8. New MAME release 1 2 3 4 59

   By mizapf, November 30, 2016
   • 1.5k replies
   • 102k views
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   • Golden Child
   • April 1

9. TI-USER magazine (UK) - (1983 - 1984)

   By ti99iuc, March 30
   • 0 replies
   • 136 views
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   • ti99iuc
   • March 30

10. RXB 2024 update 1 2 3

    By RXB, December 17, 2023
    • 55 replies
    • 2k views
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    • RXB
    • March 30

11. Another Youtube Video 1 2

    By pjduplooy, January 5
    • 27 replies
    • 994 views
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    • HOME AUTOMATION
    • March 30

12. restoring the keyboard 1 2

    By dphirschler, August 8, 2014
    • 30 replies
    • 3.4k views
    • 
    • chue
    • March 29

13. Cassette tips?

    By PasadenaBrad, March 29
    • 4 replies
    • 141 views
    • 
    • Gary from OPA
    • March 29

14. Next ChicagoTIUG Meeting 03/30/2024

    By Chicago TI-99/4A Users Group, March 28   

    • chicagotiug
    • ctiug
    • (and 3 more)

      Tagged with:

      • chicagotiug
      • ctiug
      • meeting
      • ti99
      • ti994a
    • 0 replies
    • 71 views
    • 
    • Chicago TI-99/4A Users Group
    • March 28

15. Dragon's Lair is sold out! 1 2 3 4 26

    By Tursi, January 31, 2019
    • 626 replies
    • 58.8k views
    • 
    • OLD CS1
    • March 27

16. TI-99/4A - Some keys not working.

    By 8bit misfit, March 24
    • 6 replies
    • 222 views
    • 
    • Ksarul
    • March 27

17. TIImageTool 3 1 2

    By mizapf, March 4
    • 45 replies
    • 807 views
    • 
    • RickyDean
    • March 26

18. David Ahl's books

    By Vorticon, March 20
    • 11 replies
    • 372 views
    • 
    • Tursi
    • March 25

19. Looking for scans of TI cartridge boxes & manuals

    By TheMole, March 22
    • 15 replies
    • 346 views
    • 
    • Rick Thornquist
    • March 24

20. Classic99 Display Video Options

    By jonesypeter, March 23
    • 2 replies
    • 155 views
    • 
    • jonesypeter
    • March 24

21. Sierra's Space Quest on the TI! 1 2 3

    By Vorticon, November 16, 2020
    • 71 replies
    • 6.5k views
    • 
    • budz2355
    • March 23

22. CHM live event: "Dialed In The Prehistory of Social Media"

    By jbdigriz, March 22
    • 8 replies
    • 166 views
    • 
    • OLD CS1
    • March 23

23. Suitable SRAM Replacement 1 2 3

    By Shift838, March 24, 2020
    • 52 replies
    • 2.8k views
    • 
    • RickyDean
    • March 23

24. TI99/4a 32K sidecar - why only 32K?

    By nitrohepcat, March 7
    • 23 replies
    • 622 views
    • 
    • RickyDean
    • March 22

25. TI Logo in languages other than English

    By Ksarul, March 20
    • 11 replies
    • 310 views
    • 
    • Gary from OPA
    • March 22

26. new user to myti99.com - links for Login and Create New User are not active for me

    By nitrohepcat, March 14
    • 13 replies
    • 329 views
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    • OLD CS1
    • March 22

27. Old IDE drives...

    By Kchula-Rrit, March 20
    • 6 replies
    • 176 views
    • 
    • Kchula-Rrit
    • March 21

28. Anyone know how to get MAME to work? 1 2

    By ball, December 9, 2023
    • 33 replies
    • 840 views
    • 
    • mizapf
    • March 20

29. SCSI WHT Card Revision G

    By humeur, March 20
    • 2 replies
    • 92 views
    • 
    • humeur
    • March 20

30. a question... Best 99er book

    By ti99iuc, March 7, 2011
    • 7 replies
    • 796 views
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    • HOME AUTOMATION
    • March 20

31. Search copy of floppy Program for Scsi WHT

    By humeur, February 28
    • 12 replies
    • 287 views
    • 
    • humeur
    • March 19

32. Need information and help...TI -> 32kb-> tipi -> RasPI connections

    By JPSAF, March 19
    • 2 replies
    • 101 views
    • 
    • JPSAF
    • March 19

33. Where to buy TI99/4a keyboard?

    By pcoleff, March 8
    • 10 replies
    • 425 views
    • 
    • arcadeshopper
    • March 19

34. Space Battle

    By TI_Ken, March 19
    • 5 replies
    • 206 views
    • 
    • sometimes99er
    • March 19

35. The mega UberGROM thread (start here) 1 2

    By acadiel, April 20, 2020
    • 28 replies
    • 3.1k views
    • 
    • Ksarul
    • March 18

36. TI-99 Viditel Cartridge 1 2

    By Gary from OPA, March 15
    • 29 replies
    • 564 views
    • 
    • Gary from OPA
    • March 17

37. [PSA] Geek with Social Skills - Adrian/Ron YouTube Video

    By acadiel, March 8
    • 3 replies
    • 431 views
    • 
    • arcadeshopper
    • March 16

38. Chicago TImes Newsletter has returned!

    By JB Freeware, February 13
    • 20 replies
    • 573 views
    • 
    • Vorticon
    • March 16

39. Getting my Mechatronic 80 column sidecar working

    By Gary from OPA, March 15
    • 11 replies
    • 227 views
    • 
    • Artoj
    • March 16

40. HAPPY PI DAY (3 14)

    By TheBF, March 14
    • 11 replies
    • 159 views
    • 
    • TheBF
    • March 15

41. How do i make a simple cart

    By MrDave, March 14
    • 8 replies
    • 240 views
    • 
    • Gary from OPA
    • March 14

42. Looking for Dig Dug cart

    By horizon2374, March 10
    • 1 reply
    • 155 views
    • 
    • atrax27407
    • March 10

43. MDM5 Questions.

    By dhe, March 9
    • 1 reply
    • 118 views
    • 
    • Gary from OPA
    • March 9

44. DS99/4a - An Emulator for the DS/DSi/XL/LL 1 2

    By wavemotion, February 16
    • 37 replies
    • 1.4k views
    • 
    • wavemotion
    • March 9

45. TI99 New Game Drop Off

    By Cheung, May 4, 2023
    • 21 replies
    • 1.7k views
    • 
    • Cheung
    • March 9

46. Case for the TexElec TI-99/4A to Atari Joystick Adapter

    By sixersfan105, October 25, 2019
    • 9 replies
    • 882 views
    • 
    • Smoker Ace
    • March 8

47. Eye Candy 1 2 3 4 6

    By dhe, August 1, 2021
    • 139 replies
    • 12.1k views
    • 
    • Ksarul
    • March 8

48. The Peripheral Expansion Box - fan and card order

    By Gordo, February 23
    • 7 replies
    • 356 views
    • 
    • horizon2374
    • March 8

49. F18A keeps coming unseated

    By nuxi, March 7
    • 17 replies
    • 324 views
    • 
    • nuxi
    • March 8

50. Rausch und Haub

    By dhe, February 28
    • 6 replies
    • 416 views
    • 
    • senior_falcon
    • March 7