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chue

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  1. I was of course just joking about having an obsolete board. Change is normal and expected, so don’t worry about it too much. Now I need to explore the features on the boards that I have. I’m super excited about it. Thanks again.
  2. Finally got mine built yesterday, and now it's obsolete 🙂. I put the latest 266mhz 2MB firmware on it. The SAMS burn-in ran 3 times on one of my TIs, so this PCB works. I might bodge this particular build in the future for the 8MB SAMS upgrade, but am not in a hurry to do so.
  3. I don't see RickyDean's virus issue when I try to save the page. I am running Windows 11, using MS Edge. (Just a data point for the site admins.)
  4. It is the installation instructions for all of the tools. If you can get to the point where you are invoking the assembler’s help instructions, the tools have been installed correctly. At that point you should be able to do something similar with the gpl assembler. That is, get the help for it.
  5. Windows install guide here: https://github.com/endlos99/xdt99/blob/master/doc/WINDOWS.md
  6. Works on all 3 of my TIs. Sams burn-in ran at 3 times on each.
  7. I was able to test this on my 3 TIs. It passed on 2 of the 3: Silver TI and QI TI. For some reason the SAMS burn-in fails on the beige one. I will probably just use the 264 mhz versions. As I said before, I am perfectly happy with those. Of course I am available to do testing should you release new firmware.
  8. Well glad to help, and thank you for the Pico PEB! I thought I'd run some more tests yesterday. I tested the 266mhz 2MB SAMS firmware, and the results weren't good for me. The beige and silver TIs had errors when doing the memory test. This was with the FG as well as with the Pico cart functionality. The QI TI was able to run 3+ passes on the memory test. FG only, as Pico carts don't work on the QI. If you want to see screenshots of the errors, I can post them. I am plenty happy with the 264 mhz firmware though, and will be using that for now.
  9. The 264 mhz 2 MB firmware works on all 3 of my TIs. I get 3+ passes in the memory tester.
  10. Here are more results from my testing as well. I only tested a single PI, but it seems they both run at 266 mhz. I tested these firmwares: 252 mhz (1MB SAMS), 260 mhz (2 MB SAMS), and 266 mhz (1 MB SAMS) These all passed the SAMS burn-in (3+ passes) on both the silver TI and the beige TI. I tested using the onboard cart functionality (without FG). I hadn't mentioned it before, but I have another beige TI. It came with a Mitsumi keyboard, which isn't working. I did a keyboard swap so I could do some testing using the PI Pico. The TI is a QI model (non v2.2 1981 ROM), so it has potentially some differences in the motherboard timings. I had to test with the FinalGROM on the QI TI because the Pico onboard cart would not work. I was able to choose the cartridge but after the reset, the cartridge would not show as an option. In any case, I tested using the same firmwares as the other two TIs. All passed the SAMS test. I will try to test the 264 mhz 2 MB SAMS firmware next, as the others have been accounted for.
  11. Ah, well that puts the nail in the coffin on my theory of a /4 MB in a /4A case. There's no way my TI has a chiclet keyboard. Good to know though.
  12. You and @Ksarul are crushing my 99/4 dreams 😭. Seriously though, thanks for confirming.
  13. @RickyDean I understand your first TI was bad. Do you have a third TI to try? Maybe there is an issue with your current TI.
  14. Looking good! My unit tests pass.
  15. I had done some initial research on it and found the power supply page at MainByte - http://www.mainbyte.com/ti99/hardware/power_supply.html I got a little excited when I saw that the 99/4 PS has wires coming out of it. I was thinking that perhaps I had a 99/4 board inside of one of my dead 4As. I still have to take a look, just to rule it out. But alas, you are probably correct that I have an early 4A.
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