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Zerosquare

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Everything posted by Zerosquare

  1. There are a few things missing in this schematic: the IC power pins (#10 and #20) and the ground symbol on pins #1, #15, #17 and #19.
  2. Battlesphere Trio - only one copy produced, sold by auction.
  3. It depends on the game: - some play the same, some play faster and/or smoother in 60 Hz. - some games had a distinct "E" release optimized for 50 Hz. - on some games, switching to 60 Hz removes black bars at the top and bottom of the screen.
  4. The roar is mono, so it can't be that. This is a very strange problem.
  5. I hope your packages will arrive safely. I don't know about other countries, but the postal system here is completely screwed up since the beginning of this epidemic. Packages turn up several weeks late (if at all).
  6. Yup. There's already plenty of new territory to explore using SainT's cartridge, which already exists and people have started buying. There's no point in fragmenting the market with a pie-in-the-sky project.
  7. Cartridge version only (the CD version doesn't support the mouse).
  8. It is a TVS diode indeed, but it should provide some protection against reverse polarity, since it's unidirectional and thus acts like a normal diode in that case. It's also supposed to fail shorted in case of overload. While it's not a "proper" reverse polarity protection method, it's still much better than nothing.
  9. The missing diode is SD1, below C142 near the power input connector: The original part number is SA20A: https://octopart.com/sa20a-littelfuse-31800?r=sp If you can't find it, try a 1N4007 diode instead. Since the diode is in (reverse) parallel with the power input, it will get very hot when the polarity is wrong, but provided you yank the power cord quickly enough it should prevent the rest of your Jaguar from being damaged.
  10. Here are those I visited: Super Potato BEEP Retro Game Camp Friends Trader (several shops) Mandarake Surugaya Specialty Store Those shops have plenty of choice, but prices aren't particularly cheap. If you want a good deal, look into the "junk" bins - those are items that are untested and/or have cosmetic damage, but some of them are fine. Another good wat to find lower prices is to visit the second-hand shops, like the Hard Off/Book Off/Hobby Off chain - they also sell video games, including retro ones.
  11. That's too bad! It would have been fun to meet you. Was it a holiday or something work-related?
  12. Yes, the boxes were localized with a sticker: The one show in the photo appears to be an import from the USA.
  13. No, I didn't ask. Even if it had been dirt cheap, I had no way to bring it back home. Here's another X68000 photo:
  14. I'm back from a two-week vacation in Tokyo, and took the opportunity to visit a few retro video games shops in Akihabara. Much to my surprise, I found some Jaguar stuff there (while the Jaguar was officially distributed in Japan, it was fairly confidential at the time): If you thought the eBay prices were absurd, the price for that Jaguar is roughly $670. I don't know the price for the JagCD, but it's probably even higher.
  15. Sorry for the delay, I was in vacation abroad. If you bridge pins 34B and 35B and power on the Jaguar without a cartridge, you should get the red screen of death with the Jaguar logo. If you don't, then there's something wrong with the console, unfortunately.
  16. You should ask Raphnet about it. It's something he can easily change in his code.
  17. Best Electronics CA may have the original ROM chip for sale (their website is a mess, if you don't find it you can ask the guy running the store thru email): http://www.best-electronics-ca.com/ But this may be expensive. I'd recommend buying a blank chip, and asking someone in your region that has a chip programmer to flash it for you. There also may be people on eBay offering this kind of service. Note that there are many causes that can cause the symptoms you're getting ; the ROM chip is only one of them.
  18. Yep 16gb PNY, 16gb Silicon Power, 32gb Transend, 32gb Samsung, 64GB Sandisk, 128GB Sandisk, 200GB Sandisk, and a 4gb one that came with my Nintendo 3ds when I bought it new
  19. U2's part number is H321LNP-1436PBAB, manufactured by Toko. There are some for sale on eBay. For testing, you can bypass it. The color will be slightly misaligned, but it won't harm anything.
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