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All, I noticed in the current TRS8Bit newsletter an ad for an Airbus flight simulator (p 37) for the Genie/M1 (pic attached). As a professional pilot and long time flight sim enthusiast I would really like to get a copy of the software. I have looked/searched but to no avail. Even tried...

Just a quick shout out to Michael and his Talker/80 for the M1. The product is great and his after sale support is excellent. Given the rarity of the original RS device and the astronomical prices when one does come up (not to mention possible reliability after all these years), I never...

I was perusing the Radio Shack (1985) computer catalog in search of some part numbers when I came across this page. I was immediately caught by the angled screen text that even at low resolution had me cringe. Then I got to thinking how tedious it must have been in the day to prepare these...

Guys, The Serial DIN connector on the CoCo is a 4 pin connector while the QuickPrinter II is a 5 pin. The two printer cables I have are 4-pin to 4-pin DIN. Was there a special cable in the day to make the two happy together? Thanks. Cary

All, For years I have had two Titan QXPC cards (original v1) for my Epson QX10 and have had no success booting either one to MSDOS. I am hopeful that someone has the original documentation and perhaps the version 1.xx QXPC boot software. The first card seems to pass the QXPC boot...

Ah, ok. Thanks Pete. It looks like an official RS sticker was placed over the original catalog number designating a D board as pictured here. I am guessing this was done prior to leaving Fort Worth, unless users could bring their original computers in for an upgrade.

Hey all, I picked up an early M1 designated as 26-1001 D. I have had no luck trying to figure out what the D suffix indicates? Anyone have a clue? Cary

Hi All, Just opened up an FD 501 controller for my CoCo and noticed an odd looking, what appears to be ceramic capacitor - see picture. This appears to have failed, though I thought these ceramic caps disintegrate rather than swell. Controller works.

I know there are a few of you who may have an interest (not my ad - just came across it this morning): https://www.ebay.com/itm/TRS-80-desk/123163566959?hash=item1cad1ee36f:g:zsYAAOSwx95bD1Pi

Been a couple of decades since I was active with Borland's DOS-based Turbo Pascal, so thought I'd return to the language on the CoCo3 using OS9 Pascal. My twelve year old son is starting to become very interested in programming (Python seems to be his weapon of choice). Thought I would shadow...

I was wondering if anyone knew if there was a DSK image available somewhere of the second disk of the TRS 80 Pascal set Catalog number 26-2212. I have the original Disk 1 (the image is readily available online), but cannot seem to locate an image for Disk 2 (my original Disk 2 is unreadable)...

Will give it a try - thanks again Larry. Not sure what the MB version is...here ar a couple of pics. Seems to have a few mods (XRX, 32K RAM,...) )....

Hi All, Just completed the Radio Shack LC mod to my Model 1 that (in part) added the piggybacked VRAM chips to socket Z46. After completing the mod, I am having video display issues that involve incorrect characters. For instance, all spaces (ASCII 32 ) are replaced with the '@' symbol...

Thanks to Ian Mavric's lowercase mod. Installation was straightforward. Just two things to keep in mind: 1/ If you are installing a LC mod for the first time in your M1 (ie, the computer is uppercase only) and want the Gendon version, you will still need to install the RS mod Ian includes...

Hi All, I have an 80 column card in my CoCo 1 and have been searching for a simple terminal program that supports 80 columns on that platform (either NITROS9 Level 1 or RSDOS). Any advice would be greatly appreciated! Thanks. Cary

Can anyone please point me to a +12VDC power source on the Rev E board in the area around the CPU? I understand the early Rev D board had it on Pin 2 of the cartridge connector, but need a source for the later board. The only technical reference I could find is for the Rev D board. Thanks!

** SOLVED ** All, I just received a very nice later style CoCo 1 that has been modified with composite audio and video out. When I opened the unit up, the two hook test clips were not connected to anything and I have no paperwork. I assume one is sound and the other is video. Does anyone...

Hi All, Just happened upon a Computerware card for the TRS 80 Color Computer that provides composite audio/video out. Problem is I could not locate any installation guidance for this unusual upgrade. Here is a pic: The board installed into the video display generator socket no problem...

Hey all, Just perusing some online ads and came across this 16K TRS 80 Color Computer with an apparent serial number of 175. The left-aligned TRS 80 logo combined with the ram badge on top evidence this as a very early CoCo (Rev D MB), and the warranty sticker is intact so it appears to be...

I remember in the fall of 1980 my mom bought me a TRS 80 Color Computer. A whopping 4K, but it was all I needed to begin my lifelong fascination with these little marvels. A couple of years later, I vividly recall looking at the new Model 4s and lusting after that incredibly sharp 80 column...