TI-99/4A Computers

6,153 topics in this forum

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

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

2. Transferring "problem" files from the PC to the TI

   By atrax27407, May 2, 2015
   • 4 replies
   • 621 views
   • 
   • Schmitzi
   • May 3, 2015

3. Ti-users groups newsletters and manuals

   By Dan Iacovelli, April 11, 2021
   • 12 replies
   • 621 views
   • 
   • Dan Iacovelli
   • April 12, 2021

4. UberGROM as a Mini Memory with more memory -- possible?

   By Omega-TI, February 3, 2016
   • 7 replies
   • 621 views
   • 
   • Tursi
   • February 4, 2016

5. Plato software availability?

   By pmk222, October 6, 2020   

   • pluto
   • software
   • (and 1 more)

     Tagged with:

     • pluto
     • software
     • download
   • 23 replies
   • 621 views
   • 
   • pmk222
   • October 6, 2020

6. I think I might have changed my mind a bit about the 9918 palette

   By pixelpedant, May 21, 2020
   • 8 replies
   • 621 views
   • 
   • Schmitzi
   • May 24, 2020

7. Ti 994a ac 9500 power pack died

   By Glen's Retro Show, May 22, 2016
   • 4 replies
   • 621 views
   • 
   • Glen's Retro Show
   • May 22, 2016

8. Parsec Asteroid Misspelling

   By horizon2374, February 13, 2020
   • 14 replies
   • 621 views
   • 
   • Asmusr
   • February 14, 2020

9. StripSwitch

   By Mehridian Sanders, December 8, 2019
   • 20 replies
   • 621 views
   • 
   • Mehridian Sanders
   • December 9, 2019

10. I should have extra transformers if anyone needed.

    By SignGuy81, June 18, 2017
    • 5 replies
    • 621 views
    • 
    • notwhoyouthink
    • July 10, 2017

11. Replacement badges for beige 99/4a?

    By BassGuitari, April 14, 2015
    • 3 replies
    • 620 views
    • 
    • OLD CS1
    • April 14, 2015

12. Finally got a F18A, FinalGROM 99 failing to load many games now.

    By WACOMalt, March 10, 2023
    • 8 replies
    • 620 views
    • 
    • timandoran
    • December 7, 2023

13. Cosmic Hero Cartridge

    By Retrospect, February 5, 2023
    • 8 replies
    • 620 views
    • 
    • dgrissom
    • February 8, 2023

14. Best Controller for the TI-99

    By fred, July 21, 2020
    • 7 replies
    • 620 views
    • 
    • digdugnate
    • July 22, 2020

15. OT: What the heck is this?

    By Omega-TI, April 12, 2014
    • 2 replies
    • 620 views
    • 
    • Omega-TI
    • April 13, 2014

16. MAME problem with -cart

    By Michael Rittweger, May 9, 2020
    • 7 replies
    • 619 views
    • 
    • mizapf
    • May 10, 2020

17. Weird joystick issue

    By arcadeshopper, October 23, 2016
    • 7 replies
    • 619 views
    • 
    • Tursi
    • October 25, 2016

18. TI-99/4A from 1980, had a TI-99/4 psu and board help

    By Glen's Retro Show, May 12, 2016
    • 1 reply
    • 619 views
    • 
    • Retrospect
    • May 16, 2016

19. Online image converter, can it be used for the Geneve?

    By Nick99, May 27, 2018
    • 11 replies
    • 619 views
    • 
    • artrag
    • June 1, 2018

20. AT49F040's - Speed requirements?

    By Omega-TI, October 2, 2015
    • 3 replies
    • 619 views
    • 
    • Imperious
    • October 6, 2015

21. TL866 MiniPro

    By atrax27407, June 11, 2015
    • 2 replies
    • 619 views
    • 
    • Lee Stewart
    • June 13, 2015

22. The Non-FG99 thread! ;)

    By Omega-TI, October 6, 2020
    • 7 replies
    • 618 views
    • 
    • wierd_w
    • October 8, 2020

23. Myarc HFDC MFM formatting

    By 9640News, September 9, 2018
    • 9 replies
    • 618 views
    • 
    • Brufnus
    • September 16, 2022

24. $12 composite to HDMI upconverter review

    By hloberg, July 24, 2020
    • 5 replies
    • 618 views
    • 
    • hloberg
    • July 28, 2020

25. 8 Bit Guy at Portland Retro Gaming Expo

    By coolio, October 25, 2019
    • 7 replies
    • 618 views
    • 
    • OLD CS1
    • November 5, 2019

26. Short BASIC programs for kids

    By matthew180, October 29, 2023
    • 17 replies
    • 618 views
    • 
    • sometimes99er
    • November 3, 2023

27. HDX QUESTION

    By sparkdrummer, June 3, 2016
    • 3 replies
    • 618 views
    • 
    • arcadeshopper
    • June 3, 2016

28. Manual for MYART?

    By Shift838, May 3, 2019
    • 11 replies
    • 617 views
    • 
    • mizapf
    • January 14, 2021

29. Is anyone up for another TI day?

    By Omega-TI, May 31, 2019
    • 7 replies
    • 617 views
    • 
    • Sinphaltimus
    • June 9, 2019

30. Disk Controller PHP1800C

    By mantadoc, November 12, 2015
    • 9 replies
    • 616 views
    • 
    • Schmitzi
    • November 13, 2015

31. Attention: TI-99/4A -- Chess Club Members!

    By Omega-TI, February 9, 2016
    • 3 replies
    • 616 views
    • 
    • Vorticon
    • February 14, 2016

32. Obstacle Course Tournament

    By sparkdrummer, April 24, 2016
    • 3 replies
    • 616 views
    • 
    • sparkdrummer
    • April 25, 2016

33. Replacement console power supply

    By acadiel, April 9, 2020
    • 13 replies
    • 616 views
    • 
    • Tursi
    • April 10, 2020

34. FinalGROM99 files reader

    By Papalapa, October 6, 2019
    • 7 replies
    • 616 views
    • 
    • Papalapa
    • October 7, 2019

35. TI99 USB Keys for Bill

    By Shift838, March 31, 2017
    • 3 replies
    • 616 views
    • 
    • FDOS
    • April 1, 2017

36. Billy ball at the hatchery (Cassette version)

    By notwhoyouthink, August 1, 2017
    • 1 reply
    • 616 views
    • 
    • notwhoyouthink
    • August 1, 2017

37. Oldie, moldy, basement goldies!

    By Omega-TI, August 14, 2018
    • 4 replies
    • 616 views
    • 
    • Omega-TI
    • August 15, 2018

38. 5 1/4 drives and modern computers

    By digdugnate, August 18, 2017
    • 4 replies
    • 616 views
    • 
    • barry.peterson
    • August 19, 2017

39. Floppy cable

    By Opry99er, March 26, 2017
    • 7 replies
    • 615 views
    • 
    • Shift838
    • March 26, 2017

40. TI 99/4A Disk Drive Not Initializing Disks

    By System Engineer, December 12, 2023
    • 18 replies
    • 615 views
    • 
    • OLD CS1
    • December 19, 2023

41. ALA Software was a tax scam!

    By InfernalKeith, June 27, 2023
    • 7 replies
    • 615 views
    • 
    • InfernalKeith
    • June 28, 2023

42. Has anyone followed this channel to fix a TI 99?

    By AtariNostalgia, July 16, 2021
    • 11 replies
    • 615 views
    • 
    • matthew180
    • July 24, 2021

43. EU based shop for TI-99/4a modern hardware extensions?

    By xahmol, March 9, 2021
    • 5 replies
    • 615 views
    • 
    • xahmol
    • September 12, 2022

44. Geneve easter egg

    By InsaneMultitasker, May 26, 2019   

    • mdos
    • geneve
    • 8 replies
    • 615 views
    • 
    • RickyDean
    • May 28, 2019

45. Internal power supply troubleshooting

    By Keneg, October 2, 2020   

    • power supply
    • internal
    • (and 1 more)

      Tagged with:

      • power supply
      • internal
      • trobleshooting
    • 9 replies
    • 615 views
    • 
    • Keneg
    • October 9, 2020

46. MATIUG Library disks

    By Opry99er, August 14, 2018
    • 16 replies
    • 614 views
    • 
    • Opry99er
    • August 14, 2018

47. CF7A TI-99HDX PIO cable

    By AMenard, December 23, 2017
    • 2 replies
    • 614 views
    • 
    • AMenard
    • January 3, 2018

48. Sort of roundabout TI-99/4A related, but could be considered off topic. (Project)

    By Omega-TI, February 5, 2021
    • 17 replies
    • 614 views
    • 
    • Schmitzi
    • February 6, 2021

49. Discussion thread for 2019 10-liner Basic competition

    By digdugnate, June 10, 2019
    • 13 replies
    • 614 views
    • 
    • tibasic
    • June 12, 2019

50. My TI-99/4A has a strange problem....

    By Jeramy Breckles, August 11, 2019
    • 13 replies
    • 614 views
    • 
    • Jeramy Breckles
    • August 15, 2019