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I am the #1 provider of replacement power supplies for the TRS80 Model 3, 4, 4D and 4P computers. Using modern day parts and highly reliable MEANWELL power supplies your system will keep on chugging for another 40 years. Just check out my website at https: //jaynewirth.wixsite.com/newsoft for...

There here !!! I have built - and have for sale - modern day versions of the power supplies used in the TRS 80 Model 3, 4, 4D and 4P. Using Meanwell power supplies you can now have a stable power supply for your vintage machine that will last for years to come. The Model 3 version REPLACES both...

There is a Model 1 on ebay for $499 The unit looks to be in good shape and seems to be working properly Is this price too high?

There is a item for sale on eBay (ITEM # 133 072 305 693) The photo of the computer shows a Model 4 The photo of the box shows a Model III The photo of the bottom of the computer shows a Tandy 3 (SN 3??) Any ideas on what this machine really is ??????

I have been UNSUCCESSFUL at requesting DOS disks from Ira Goldklang on his website .... does anyone know why I need to get DOS disks for the Model 1, Model 3, Model 4,4GN/4D, 4P as well as SUPERUTILITY for such machines Any help would be appreciated

There is a posting on eBay for the ORIGINAL Model III Hires board including the backplane cover that was specifically designed for it Don't know if all the necessary cable assemblies are included I had one of these cards but the Model 3 it came in wasn't working ---- so I sold the card to a...

Know its not related to the Tandy RS forum but there is an Ebay Item you have got to check out ----------> 223217799414

Does anyone have microsoft's quick basic 4.5 software and manuals for sale?

Anyone seen it ? A Model 1 with monitor (no expansion interface) on eBay for $4500 ??? Starting bid is $2500 (I think) .... I don't know how to attach a website address to this message .... Can anyone out there help?

Has anyone other experienced this boot up screen?

OK I know there must be someone out there with a 3D printer and software who can produce the part shown in the photo. This is a plastic spacer used in the Model 1 units to keep the 2 motherboards "separated" from each other and prevent any shorting. Anyone willing to take on this challenge...

I have over a dozen Model 4 desktop shells that I would like to bring back to original specs (ie. white painted) Anyone out there tackled re-painting such a case? If so please share your knowledge. The Model 3 cases might present more complications than the Model 4 case - but I am sure it can...

There is a TANDY MODEL 4 computer posted on eBay but is listed as a RADIO SHACK TRS 80 Model 4 This is the TANDY version (Ian Mavric mentioned it back in one of the TRS BIT magazines) For the asking price - kinda in poor condition - case really needs lots of work - don't know about insides I...

Can anyone tell me what the memory should read after upgrading a Model 4 GA unit to 128K RAM Somehow I don't know what it should be Thanks Jay

There is a really nice looking Model 2 on eBay ----- check it out ----- Item number. 283197833709

To those attending Tandy Assembly I will have replacement Model 4P Bezel and Model 4P Keyboard REPLACEMENT BADGES (WILL ONLY HAVE 10 OF EACH) ..... I will also try to have replacement case badges for the Model 12 and Model 16 (again 10 of each only) I will be stuffing my car with as much...

With TRS's out there ..... what are you doing with your unit? Are you actually using it to program? Are you just collecting them? In other words --- what are you doing with the TRS-80 Model 1/3/4/4d? And what is in your collection? For me I have (3) Model 3's - one with an autoboot FreHD...

Here are the latest photos I have of the badges I had made for the TRS 80 Model 3,4,4D They are available for sale - send me PM to discuss

Am looking for the following items to buy TRS 80 Model 4 keyboard TRS 80 Model 4D keyboard TRS 80 Model 1 Monitors Send me PM if anyone can help Jay

I now have the following replacement badges in stock for immediate purchase: 1. Model 3 case badge 2. Model 4 case badge 3. 64K ram badges (for keyboard) 4. 128K ram badges (for keyboard) Currenty items (1) and (2) are $4.50 each + shipping and items (3) and (4) are $4.00 each + shipping...