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I got this in a lot of other computer cassettes. Does anyone know what it's for? I suspect it's for an S-100 or other early system. I did make a WAV of the contents if anyone wants that, or I'm happy to pass along the cassette for cash or trade.

Anyone into collecting the Microvideo Interact? These are my spare cassettes. I'd prefer to trade for titles I'm missing if you have any to trade. I'm also into software for Apple II and Commodore PET, among others. If you don't have stuff to trade, I'm asking $25 per game, or 5 for $100, or...

I haven't been able to find any information about what it's for. It came to me with some unrelated computer items.

Does anyone know where I can get a replacement for the keyboard overlay/panel mount for the Casio PV-2000? I believe someone makes them, although not sure where from. Presumably Japan, considering it's a Japanese system. Pictured is an example of the system with a replacement overlay. Thanks!

I got a unit recently with the external power supply. It outputs nothing when I check it with my meter. I didn’t try it with the hardware, just to be safe. I would like to replace the PS with the PCjr to ATX board and a PicoATX but the former are out of stock from the guy who created them. I...

Hello all, I have a 2068 that shows these bars. I figured I'd replace any bad RAM and socket it. Unfortunately I pulled up a few traces but I put (yellow) bodge wires best I could between the RAM legs with the bad traces. After confirming all the RAM is good, what is the next step to...

I just uploaded some scans that need to be stitched together. The PCB was too wide to get in one go so there are two images of the front and two of the back. I'm not sure if we've seen any of these units out there aside from ads. https://archive.org/details/mindset-video-production-board-0003...

I recently picked up a Mindset (main unit only with keyboard) and I'd like to get it working. The power supply unit I have does not put out appropriate voltages, essentially zero. I recapped the power supply, aside from the small caps on the boards perpendicular to the main power supply board...

Does anyone know of a CNC routed or 3D printed case or similar protective design for used with PC floppy disk drives? The drives I need this for are all half height. I would like something that screws into the side holes and protects the exposed top and bottom the drive. It doesn't need to be...

Hi, My Model 4, original version, seems to start up and read disks, but puts out no useful video. I tried break-reset and starting it up while holding the 3 key, the video always looks like this (not with the black bars, which is an artifact of photographing a CRT). The contrast pot is...

I'm looking for a recommendation on a DOS shell or menu program I can use with a large volume I have setup using an XTide. I have tried a few. Some limit the number of directories they read, and tend to be slow to read the directory structure all at once. Some menus don't work at all using my...

I have a nice Heath Z-100 here, the one with just the disk drives. It starts up to the hand prompt, but does not load floppies from either drive after B F1 or B F1 1, which is the boot command. Just verified the disks I’m trying (MS-DOS 2.0) work on a Tandy 1000. Also tried some Heath CP/M disks...

Hi, My latest repair project is this OSI Model 600. I reseated all the chips and wiped off the board. I tested power output (5.2V no load) and started it up. It gave me the garbled character screen then the single character screen when I hit break. Any suggestions where to go next? It does not...

I have this Model I here that gives me a rolling black and white bar screen when I power it on. No text. I am using a known good monitor cable and power supply. This unit seems to have a good number of mods. The case stated it has the lower case mod, but I don’t know what the rest are. One is...

I have a PC-1250 that I'd like to get working. It had battery terminal damage which I repaired. It powered up to frozen screen with a few LCDs on, unresponsive. This stopped after several power cycles, followed by one normal power cycle that briefly showed the correct prompt but the LCD faded...

I have a Lisa 2 that boots. It shows the initial screen below. It does pass the self test successfully. The widget hard drive gives error 82. I assume it's unsalvageable, although if there are things I should check on, please do tell. The floppy drive is a Sun Remarketing 800K, or at least the...

I picked up this lot of 7 8" RT-11 disks that I believe are OS disks. Does anyone know if this version of the OS has been dumped? I would like to get them dumped, if not. I don't have an 8 inch drive outside of my Model II TRS-80 (which needs work).

Can anyone recommend a static free case with foam to use for collectible ICs? I don't have any spectacular stuff, but I would like something with a clear top so that I can see what I have. Also would be good just to buy a few to store spare parts. Something like this although perhaps a bit cheaper?

I have a couple of nice condition units but neither works perfectly. The C64 starts up but has a few bad screen characters. I have three diagnostic carts. One diagnostic cart starts up with "Out of memory". Another has random RAM chips marked as problems, inconsistent- it changes every time...

I have this PS/1 with 5.25" and 3.5" drives that is an 80286. I couldn't test it because it's the original model with the proprietary connections to a monitor unit that feeds it power through proprietary cables. No cables are included, and I didn't have the monitor to use it with. I had it...