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New to the group? TI-99/4A FAQ, Hardware and software resources READ FIRST!


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#26 OLD CS1 OFFLINE  

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Posted Mon Dec 25, 2017 10:45 PM

Hi,

 

here you can find a list of >300 books, manuals and tech docs

 

768 is a lot of books! ;)



#27 Asmusr OFFLINE  

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Posted Tue Dec 26, 2017 10:40 AM

 

768 is a lot of books! ;)

 

Giggles  :)



#28 OLD CS1 OFFLINE  

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Posted Thu Dec 28, 2017 2:09 PM

I have taken some comments over time about the forums, posts, and missing information on guidelines.  I have put together a good bit of information on how the forums run, why we have two forums, and how to quickly get to the one which interests you most (notice the new sub-host for development!)

 

Greg kindly added it to the first post of the thread.  I am hoping this addresses some of the concerns which have been posed to me as well as some of the feedback I have received.  If anyone has any additional concerns please drop me a message.



#29 Schmitzi OFFLINE  

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Posted Sat Dec 30, 2017 3:17 AM

wow, this has become a massive informational thread :thumbsup: :thumbsup:



#30 arcadeshopper OFFLINE  

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Posted Wed May 23, 2018 3:42 PM

updated information on F18a availability and how to contact him to get on the "list" of interested people



#31 jjh76 OFFLINE  

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Posted Sat Jun 9, 2018 11:16 AM

First post should be updated to include TIPI



#32 arcadeshopper OFFLINE  

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Posted Sun Jun 10, 2018 5:43 PM

It will be

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#33 iKarith OFFLINE  

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Posted Thu Jun 14, 2018 5:13 AM

This is a work in progress.. will be happy to add anything missing - Greg

 

[..]
    • Keyboard issues
      • The keyboard is connected directly to the TI motherboard with a pin connector. This can become loose/dirty and may need cleaning/reseating. There is no logic within the keyboard is is merely shorting the keyboard lines when you hit the keys.
      • Alpha Lock issue: With the alpha lock key on you are unable to use the up direction with the joysticks. Release alpha lock to play games OR do this fix: http://mainbyte.com/...alpha_lock.html
      • What keyboard do I have?   There were at least 5 manufacturers of keyboards for the 99/4a.  http://mainbyte.com/...d/keyboard.html has good pictures/info/schematic.
        • Mitsumi: These keyboards do not have any solder points except for the alpha-lock key connection and the ribbon cable. $_1.JPG
          • These keyboards have a membrane under the keys that tends to go bad with age and can sometimes be revived by separating the layers (CAREFULLY) 
        • Alps and others: These keyboards have solder points on the back of the PCBoard keyboard_back.jpg
          • these keyboards sometimes have dirt/corrosion in the switches that can be cleaned with contact cleaner or alcohol.

 

Thought in case nobody had looked recently I should note the Mitsumi keyboard picture link is presently broken so that it may be addressed in a future update.

 

This is really a very cool post Greg, since I've not said so before.  When I got into the TI, I wish this had been there.  Now it is.  :)



#34 arcadeshopper OFFLINE  

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Posted Thu Jun 14, 2018 12:22 PM

updated today:

fixed mitsumi keyboard image

added sections for TIPI now that it is in the wild

updated transferring files section to be ultra clear what a flashrom99 and finalgrom99 both do. 

added replacement keyboard cable info 



#35 arcadeshopper OFFLINE  

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Posted Wed Aug 15, 2018 7:37 PM

updated tipi peb info and fixed a description 






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