+OLD CS1 Posted July 20, 2018 Share Posted July 20, 2018 I dunno. I picked up mine for around $100. Was worth it to me, and his includes the Speech Synthesizer. 1 Quote Link to comment Share on other sites More sharing options...
Shift838 Posted July 20, 2018 Share Posted July 20, 2018 $145 is a bit pricey to me too. Especially with the schematics out there. Maybe I should try my hand at building a new one. 1 Quote Link to comment Share on other sites More sharing options...
coolio Posted July 20, 2018 Share Posted July 20, 2018 $145 is a bit pricey to me too. Especially with the schematics out there. Maybe I should try my hand at building a new one. Where are the schematics? I wouldn't mind trying to laymen out myself. Quote Link to comment Share on other sites More sharing options...
Shift838 Posted July 20, 2018 Share Posted July 20, 2018 Where are the schematics? I wouldn't mind trying to laymen out myself. This is the one I was thinking of HERE Quote Link to comment Share on other sites More sharing options...
coolio Posted July 20, 2018 Share Posted July 20, 2018 This is the one I was thinking of HERE Great, thanks! Now I just need to find or make the KiCad footprints for the connectors, and I should be able to crank this out. 1 Quote Link to comment Share on other sites More sharing options...
Shift838 Posted July 20, 2018 Share Posted July 20, 2018 nice. i know I'll want one! Quote Link to comment Share on other sites More sharing options...
JohnnyAztec Posted July 21, 2018 Share Posted July 21, 2018 Thought I'd give ya'll a heads up. Soon as I find what box I put the manual in, I will be listing a MYARC MPES-50 up on ebay, probably. I picked up a storage unit last year that no one else wanted and it had a TI99 some carts (with boxes) and software and the MPES50. Also, I wanted to thank this forum for the information I was able to find about the MyArc. 1 Quote Link to comment Share on other sites More sharing options...
+Ksarul Posted July 21, 2018 Share Posted July 21, 2018 The MPES-50 is a nice device, although it isn't at all expandable. I have two of them. . . Quote Link to comment Share on other sites More sharing options...
Omega-TI Posted July 21, 2018 Author Share Posted July 21, 2018 The MPES-50 is a nice device, although it isn't at all expandable. I have two of them. . . According to << THIS WEBPAGE >> it's disk format is NOT compatible with some cards. Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted July 21, 2018 Share Posted July 21, 2018 What kind of cards are used? Standard PEB? Giant CorComp 9900-alike? Quote Link to comment Share on other sites More sharing options...
+Ksarul Posted July 21, 2018 Share Posted July 21, 2018 It is a giant CorComp workalike with two built-in half-height drives. It has an RS-232, 32K (some do have 128K, but I have never personally seen one), and a Myarc Floppy controller built in. As it uses 16-sector DD formatting, it does work a bit differently than most other non-TI DD controllers (the TI DD Controller card and the TI Hex-Bus Floppy both use the 16 sector format). Quote Link to comment Share on other sites More sharing options...
RXB Posted July 21, 2018 Share Posted July 21, 2018 It is a giant CorComp workalike with two built-in half-height drives. It has an RS-232, 32K (some do have 128K, but I have never personally seen one), and a Myarc Floppy controller built in. As it uses 16-sector DD formatting, it does work a bit differently than most other non-TI DD controllers (the TI DD Controller card and the TI Hex-Bus Floppy both use the 16 sector format). I helped a guy work one for a week end we replaced cables and troubleshooted the power supply by taking it to a electronics outlet and they looked at the power output to fix it. It was a monster and not worth the cost. Quote Link to comment Share on other sites More sharing options...
+Ksarul Posted July 22, 2018 Share Posted July 22, 2018 Here's a nice 99/4, a 99/4A, a disk drive and some carts with $150 BIN. . . 1 Quote Link to comment Share on other sites More sharing options...
+helocast Posted July 24, 2018 Share Posted July 24, 2018 TI-99/4a CompactFlash Drive/PIO Port - CF7+ Version-1 w/128mb Kingston - $50 + free shipping https://www.ebay.com/itm/TI-99-4a-CompactFlash-Drive-PIO-Port-CF7-Version-1-w-128mb-Kingston/202379354420 Quote Link to comment Share on other sites More sharing options...
+chue Posted July 26, 2018 Share Posted July 26, 2018 NOS Wico Trackballs, a little pricey though http://r.ebay.com/ezAwEj Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 27, 2018 Share Posted July 27, 2018 not mine 910mp https://www.ebay.com/itm/142883748028?ul_noapp=true Quote Link to comment Share on other sites More sharing options...
Airshack Posted July 28, 2018 Share Posted July 28, 2018 A good auction source for TI-99/4A consoles: https://www.shopgoodwill.com/Item/55440635 Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 28, 2018 Share Posted July 28, 2018 A good auction source for TI-99/4A consoles: https://www.shopgoodwill.com/Item/55440635A good place to get outbid by optimists Sent from my LG-H872 using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
Airshack Posted July 31, 2018 Share Posted July 31, 2018 (edited) A good place to get outbid by optimists Sent from my LG-H872 using Tapatalk https://www.shopgoodwill.com/Item/54251104 Shipping was a reasonable $18. Clean/working TI-99/4A console total cost shipped: $28 Edited July 31, 2018 by Airshack Quote Link to comment Share on other sites More sharing options...
Omega-TI Posted July 31, 2018 Author Share Posted July 31, 2018 Congratulations "A******k"! Quote Link to comment Share on other sites More sharing options...
+arcadeshopper Posted July 31, 2018 Share Posted July 31, 2018 And local to me so no shipping Sent from my LG-H872 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Omega-TI Posted July 31, 2018 Author Share Posted July 31, 2018 This auction is REALLY INTERESTING, dunno if all the parts are there, but it makes me wish I had room for it... especially at it's current price! << CLICK HERE >> 1 Quote Link to comment Share on other sites More sharing options...
Omega-TI Posted July 31, 2018 Author Share Posted July 31, 2018 << HERE >> is a "PURDY ONE"... more expensive but WOW! Quote Link to comment Share on other sites More sharing options...
Airshack Posted July 31, 2018 Share Posted July 31, 2018 Two more reasons to Love Radio Shack. I forgot about these educational kits. It’d be a fun retro project to work ones way through the manuals and projects within. Sent from my iPhone using Tapatalk Pro Quote Link to comment Share on other sites More sharing options...
+OLD CS1 Posted July 31, 2018 Share Posted July 31, 2018 I have several of these, including one I have had since I was a young teen. I got a 25-in-one solar kit when I was about seven or eight and had a blast learning about electronics. I am sad to see them go now that Radio Shack is done, but there are similar kits out form other companies. One of them I like is Snap Circuits, though they are a little pricey. They make building circuits easy and you can get pretty complex with them. The biggest problem is getting kids to actually go through the book in order so they learn things. I just let them go and when a question comes up I tell them to go back a little in the book and find the answer (RTFM, brat!) It is fun, though. I enjoy working with my cousin with his and we modify some of the circuits: he tells me what he wants, I make the modification and explain how and why it works. Sometimes I will pull components (links, resistors, capacitors, what-not) or reverse a couple of things (transistor, LED, etc.) and see if he can fix it. It was mean, but one time I really had him befuddled and he just knew the circuit was correct... but I had pulled one of the batteries. 3 Quote Link to comment Share on other sites More sharing options...
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