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Posted Tue Dec 26, 2017 10:40 AM
768 is a lot of books!
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.
Posted Sat Dec 30, 2017 3:17 AM
wow, this has become a massive informational thread
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
Posted Sat Jun 9, 2018 11:16 AM
First post should be updated to include TIPI
Posted Sun Jun 10, 2018 5:43 PM
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.
- 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
- 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.
Posted Thu Jun 14, 2018 12:22 PM
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
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