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Everything posted by Mehridian Sanders
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Joining the ranks of the People of Walmart Sent from my SM-G955U using Tapatalk
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This is what my minds eye sees. Lol Sent from my SM-G955U using Tapatalk
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ok. So I just got some Wumpus time in and it was grand. Now I have this program recorder. So to connect Mic and Speaker Connection tips, just connect the shielding from each line to one another?
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somehow I missed the first part of this post. Do you a link for that USB upgrade? I was thinking earlier today that a OTG USB connector would solve a lot off incompatibilities.
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I really liked this video lol how did I not find this before? Sent from my SM-G955U using Tapatalk
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Building the Finalgrom99 and the 32K sidecar.
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Advice heeded.. will not run with scissors... so I got creative ... a bit Sent from my SM-G955U using Tapatalk -
TI Related -- Ebay / Heads Up Notice
Mehridian Sanders replied to Omega-TI's topic in TI-99/4A Computers
Ok, now I see. Of the 2 boards contained in the Cc9900 the upper board housed the 32k and the disk controller while the lower board housed the sidecar connectors and the RS232 port. It was sold without the upper board. Well, can't win them all. At least it would give me some space to make my own disk controller Thanks guys for informing me proper. Yanno this is a solid group. Looking out for one another. I haven't seen this often in the real world. I am glad to see it here! Sent from my SM-G955U using Tapatalk -
TI Related -- Ebay / Heads Up Notice
Mehridian Sanders replied to Omega-TI's topic in TI-99/4A Computers
If I am reading what you're saying correctly. They have removed the RS 232 connector and the 32k daughter board? So it's a husk of its presumed glory? Sent from my SM-G955U using Tapatalk -
TI Related -- Ebay / Heads Up Notice
Mehridian Sanders replied to Omega-TI's topic in TI-99/4A Computers
Well wish me luck on this. Would solve a lot of deficits with my system. Don't know the syntax for etiquette on this so.... guess cross your fingers !! Thanks. Sent from my SM-G955U using Tapatalk -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Alright yes it is more tedious. I am going to give it a go on the morrow. Thank you kindly. I will also post a pic of my setup for ya'll in the proper thread Sent from my SM-G955U using Tapatalk -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
I am glad they do. Made it much easier to clean them from the previous owners buildup. The Stackpole keyboard though... the keys literally fall out if inverted. Still feels good to type on ... will use it for a spell and see if it grows on me. Sent from my SM-G955U using Tapatalk -
Building the Finalgrom99 and the 32K sidecar.
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Well the IC's are finally here for the 32k sidecar!! but Jameco messed up the socket order. I actually did get the Cypress RAM chip, which is weird since I ordered the Alliance one. Right now it looks like this. Can these parts be soldered down without the socket? @jedimatt42 whatcha think? Thanks in advance. Sent from my SM-G955U using Tapatalk -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Thanks, I will remember this. Unfortunately, I can't use it. The keycaps (which look very Cherry MX like) only show the pole i'd have to de-solder the switch. I tested the keyboard out though. And it will work but my headers come right into contact with the connector. So I get to redo that lol. Sent from my SM-G955U using Tapatalk -
Ok since my wife puts me at the bottom of the priority list, gonna try this. Sent from my SM-G955U using Tapatalk
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Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
ok checked my points from pin 1 to enter and U. I. O. P. all are showing a signal of about 1 ohm so the signal is still there this is of course after the header addition. I am using the end point of the header to check the traces to make sure signal gets all the way through. Thanks Greg, you were right they are very simple creatures. I guess I should have a bit more faith in my abilities. Either that or just not go bananasandwich when something new rears its head -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
so wait a second ... since I now have headers on this ... is it possible to split the keyboards function .. add a 10 key pad through USB and use the TI keyboard while in the keyboard with another PC? like make it dual purposed? Using a teensy 2.0 should be able to use the keyboard while the TI is off for the PC? hmmmmmmmmmmmmmm -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Ran a trace from AL to Pin 6. Followed the trace carefully. Also added some headers for the output Sent from my SM-G955U using Tapatalk -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
ok the pads were coming away from the Alpha Lock trace and the pin 6 trace in general. Running a trace connection from Pin 6 to AL, should fix that issue. gonna be rerunning a lot of traces rom the looks of it ... also gonna redo the connection from the keyboard to the wires for a nice neat header. -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Unable to check tonight... Honeydo list was long Sent from my SM-G955U using Tapatalk -
Board and IC dissimilarities
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Thank you. you've given me good knowledge. I have gotten better at Basic Electronics Knowledge (89), I've spilled my beer. Sent from my SM-G955U using Tapatalk -
Board and IC dissimilarities
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Correction: Not Ram Sent from my SM-G955U using Tapatalk -
Board and IC dissimilarities
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Board 2 also has the crystal broken off Sent from my SM-G955U using Tapatalk -
Pic 1 is my 99/4a Pic 2 is a board I recognized immediately. Although there are differences. Thoughts? Board 2 has the ram yanked from their cradles. The Main Chip is 15595 Board 1 has intact Ram and the Main Chip is 12706 Sent from my SM-G955U using Tapatalk
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Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Ok will check the points on my meter when I get home Sent from my SM-G955U using Tapatalk -
Making myself my own Christmas present
Mehridian Sanders replied to Mehridian Sanders's topic in TI-99/4A Computers
Well after removing the joystick fix lead U I O P started working again. Enter, R- Shift, and Spacebar are still not working. The Stackpole feels nice just that the keys fall out if the keyboard is inverted. Yeah I think I will send you the Futaba. For parts only, I think one of the pads came off. Sent from my SM-G955U using Tapatalk
