Included tags: trs-80 × Tandy Color Computer ×
Excluded tags: None

TRS-80 PC-2 8K RAM expansion

VCFed about 6 months ago

I have collected several PC2s that have all been repaired but I only have my one original 8K RAM module. I was bidding on a module on EBay but got sniped at the last minute so I decided to just make my own. This board replicates the original which has 4 …
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Small daughter board Model 1 Level II

VCFed about 7 months ago

On some TRS-80 Model 1 Level II boards there is a small daughter board mounted as shown in the photo. Can anyone tell me if that was originally installed (from the factory)? And what is the function of the board? …

Burnt trace on PSU for TRS-80 Model 3

VCFed about 7 months ago

I purchased a TRS-80 Model 3 with multiple issues as stated in my original post. This issue is for a burnt trace on the PSU that was powering the main board. I'm currently using the PSU that powered the two internal disk drives as my main board PSU--I as …

TRS-80 model 4 in need of a floppy drive and CRT TLC

VCFed about 7 months ago

Along with an MTI MOD3 PLUS computer that I purchased yesterday, I got a TRS-80 model 4. It has 2 issues: Firstly, it has no floppy disk drives (the drive bays are empty, and the floppy cable is visible inside). And secondly, the CRT is amongst other thing …

I purchased an MTI MOD3 PLUS 48K --- Who has one?

VCFed about 7 months ago

Yesterday (Nov 3rd), I purchased what I thought was a TRS-80 Model 3, but it turns out it's an MTI MOD3 PLUS 48K with dual disk drives. It definitely needs restoration, as the CRT mounts are broken and is hanging on for dear life. Most likely caused by shi …

TRS-80 15 MEG 26-4156 repair

VCFed about 7 months ago

So In a recent pickup I got a TRS-80 15 meg hard drive with ribbon cables. IT was disgusting inside and out.. like a black soot or industrial grime. Seller said he didnt know anything about it or what it goes to but the unit has no power. First thing I did …

TRS-80 Model 100 troubleshooting

VCFed about 7 months ago

Greetings Everyone! Recently picked up a rather scuffed tandy 100 and going through the process of getting it working again. Pretty sure someone use the incorrect DC adapter on this as all the power rails were shot. The varistor by the DC jack input blew …

Need help and info on this PC-2 Pocket PC peripheral

VCFed about 7 months ago

So I picked up this TRS-80 Pocket Computer Printer and cassette Interface as is. It came with no ac adapter, just a scrap of paper and .. No pens perhaps? The unit calls for a 6v DC power supply and I found one that fits and is 7.5V 400ma center positive. …
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Removed reset button

VCFed about 7 months ago

Recently I purchased a TRS-80 Model 1 and to my surprise the reset button was removed. A track was cut on the PCB and two traces to the connector were connected as shown in the photo. I want to solder a new reset button, but I was wondering whether I shou …
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New to T models

VCFed about 7 months ago

I am new to the T models. I just picked up a NEC PC-8201A. I hope this is the correct place to post this as I know it's the sister model to the TRS-80 Model 100. Here are some photos. Here is the memory. It's fully populated so I am guessing it is at i …

Serial numbers and production date

VCFed about 7 months ago

Can anyone tell me if there is a list somewhere with batches or serial numbers to know more about the production date of a TRS-80 model 1? The number on my TRS-80 is B007790 and it appears to be an early model. …

Unidentified tapes (Radio Shack / TRS-80 brand)

VCFed about 7 months ago

I recently archived a collection of cassette tapes which primarily had BASIC programs for the Astrocade console from about 1982. However, there were also three tapes with data that doesn't sound like Astrocade programs. The tapes aren't labeled, but two of …

Tandy collection for sale

VCFed about 7 months ago

Tandy 4000 SX Tandy Enhanced Graphics Monitor EGM-1 Tandy 1000 Personal Computer TX (2) TRS-80 Model II with cover (2) TRS-80 Model II Disk System TRS-80 4-Pen Color Printer TRS-80 DMP 200 (dot matrix printer) with cover Plus disks, keyboards and cables …

TRS 80 cassette recorder emulator idea

VCFed about 7 months ago

I Just repaired my TRS80 PC2 and got a cassette recorder from Amazon to test that functionality but immediately started thinking about making an emulator that could be used to save and load to a flash file system. I'm thinking stand alone with a usb C for …

need help

VCFed about 7 months ago

Hi, I am new to this site and am a reasonably challenged but resourceful person. I am attempting to rebirth my CoCo 1 (26-3004, late model) and have found some programs to download. I downloaded these onto my desktop pc running window 10. My CoCo is has 64 …

Model 100 sales

VCFed about 7 months ago

I'm going to let my 2 TRS-80 model 100's go. One of them is in good working condition, the other I think works but has a couple of bad keys. My question is should I just eBay them or is there a special secret place where model 100 lovers go to buy and se …

Micro 80 Expansion - help with identification.

VCFed about 7 months ago

Hi all. I bought this at a local clearance auction and was wondering whether anyone can help me identify it. The unit has dual 5.25in floppy drives installed and what I assume is possibly a parallel printer interface. Opening it up I see someone has put a …
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Statix Clings to your Amiga! Amigos: Everything Amiga 424

Amigos: Everything Amiga about 7 months ago

? Support our wacky, weekly Amiga podcast! https://www.patreo... Chapters: 0:00 Ridiculous Banter 5:26 Statix Review 34:27 RetroRewind.ca for all your Commodore computer needs! 34:57 Amiga News 51:52 Coming up next week! Like old compu …

Model 6000 questions and answers

VCFed about 7 months ago

I'm new here so I'll just jump in with both feet... I have started playing with Xenix on the Model 6000 (emulated). I used to have a couple of very early Model 16's and lately I have been getting the itch to play with all my TRS-80's again. So first.. I …

Inherited TRS 80

VCFed about 7 months ago

A friend from my programming days died and left behind a TRS 80 which has come to me after all these years. I know nothing about it except that it has three major components; CRT, keyboard and CPU. I welcome any help in determining what it is, when it wa …

Can an 80-track drive read 40-track floppies?

VCFed about 7 months ago

I know in some PC setups a 80-track drive can double-step to read 40-track floppies. Can a TRS-80 (specifically a 4P) do this? …
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Neon Noir - A cyberpunk thriller you can beat tonight! Amigos: Everything Amiga 423

Amigos: Everything Amiga about 7 months ago

Winner of the 2022 BlitzBasic Game Jam, this is Boat's game of the year! ? Support our wacky, weekly Amiga podcast! https://www.patreo... Chapters: 0:00 Ridiculous Banter 5:30 Neon Noir Review 35:31 RetroRewind.ca for all your Comm …
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Neon Noir - A cyberpunk thriller you can beat tonight! Amigos: Everything Amiga 42

Amigos: Everything Amiga about 7 months ago

Winner of the 2022 BlitzBasic Game Jam, this is Boat's game of the year! ? Support our wacky, weekly Amiga podcast! https://www.patreo... Chapters: 0:00 Ridiculous Banter 5:30 Neon Noir Review 35:31 RetroRewind.ca for all your Comm …
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Retro Rewind: October 1983 in Computer & Video Games

Retro Arcadia about 7 months ago

After a bit of an experiment with the pilot episode of this feature back in August 2023, it seems like I’m not the only one who likes having a look back at old copies of magazines from forty years ago, and while I’m still not quite ready to go monthly …
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TRS-80 M3 has trouble with floppy drive 1

VCFed about 7 months ago

I have an issue I hope somebody here might either recognize and/or can help diagnose. This story is about a Tandy TRS-80 Model 3, 48K RAM and two floppy drives. It is not mine, but I was asked to have a go at this one at the museum I volunteer at. My exp …