Daniel

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Daniel

Daniel

@DeVlLT

Las Palmas Katılım Şubat 2015
27 Takip Edilen23 Takipçiler
Daniel
Daniel@DeVlLT·
@TMax1323 Deseando ver el resultado 😉
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Max1323
Max1323@TMax1323·
Voy a mostrarles las traducciones que pueden llegar dentro de poco o en algún momento del año. Las publicaciones saldrán a lo largo del día (ABRO HILO):
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Leo Oliveira
Leo Oliveira@leo__oliveira·
The SEGA engineers who worked on this chip probably had a lot of stress. This is the 315-5477, the original MEGA-CD engine. It had a timing errata on the memory buffer for data exchange between the two CPUs at the MD side. The small chip 315-5540 is a bodge fix for this problem.
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Daniel
Daniel@DeVlLT·
@leo__oliveira The colors I can see on the component are: GRAY, GRAY, BROWN, RED, YELLOW or GOLD? Is this capacitor okay? Are the pF values ​​correct?
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Leo Oliveira
Leo Oliveira@leo__oliveira·
@DeVlLT The SEGA IC 315-5540, the pin 15 blows from 9v.
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Daniel
Daniel@DeVlLT·
@leo__oliveira Another question. Behind the PCB there's a resistor, but when I measure it with a multimeter, it doesn't read any ohms. If I remove it from the PCB, it still doesn't register anything. But if I measure it with my LCR-P component tester, it detects it as a capacitor and read 122pF
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Daniel
Daniel@DeVlLT·
@leo__oliveira Okay. I'll measure the 5540 with the multimeter to see if there are any shorts. I'll let you know soon. I have another question: Does a corrupted BIOS affect whether the Mega CD will turn on? Thank you very much for your help.
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Daniel
Daniel@DeVlLT·
@leo__oliveira Yes, I figured as much. But is there any way to test it with a multimeter?
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Leo Oliveira
Leo Oliveira@leo__oliveira·
@DeVlLT If the chip in the connect bd is broken, it will make the communication between the CD and the MD impossible
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Daniel
Daniel@DeVlLT·
@leo__oliveira I don't know anyone who has a Mega CD-1. My Mega CD won't even start; the screen just stays black. The Access and Ready LEDs are off. I've checked all the fuses, and they're fine, as are the voltages. The Mega CD's main board has 5V.
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Leo Oliveira
Leo Oliveira@leo__oliveira·
@DeVlLT Can you obtain a pal or us mega/sega-cd to borrow the direct connect board to test? It will boot but with bad graphics that look like this:
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Daniel
Daniel@DeVlLT·
@leo__oliveira How can I check if this PCB is faulty? The PCB has two wires, TH1 and TH2, which connect to a mini PCB. Here's a photo.
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Leo Oliveira
Leo Oliveira@leo__oliveira·
@DeVlLT If it's inserted backwards a pin on the MD side supplies 9v which damages the SEGA custom IC (Fujisu gate array). It's actually pretty easy to insert it backwards and damage the IC.
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Daniel
Daniel@DeVlLT·
@leo__oliveira I have a Japanese Mega CD-1. I bought it recently and it's broken. The Mega CD won't start; none of the power LEDs light up. The Japanese Mega Drive I have plugged in works perfectly. I've completely recapped all three PCBs, but the result is the same.
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Daniel
Daniel@DeVlLT·
@MMSequelWars Any news about the new Sequel Wars Episode Blue?
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Sequel Wars
Sequel Wars@MMSequelWars·
Found a way to up the colors of enemies in New Style. Now they should match MM7 even further!
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david4599
david4599@david4599_hex·
@DeVlLT Hey, well, it's not live yet, I will put the link in my profile once this is ready. I still have stuff to write and other things to do right now but it's getting there.
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david4599
david4599@david4599_hex·
OMG IT WORKS!! 🥳 Selfbootable #PS1 CD-R! No modchip! That's a huge progress since last time but there are big reliability issues and I'm not sure that this can be fixed using my method. Increase the sound to hear the PS1 struggling to read the disc. More details below.
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Daniel
Daniel@DeVlLT·
@david4599_hex Hello again. I forgot to ask for your blog. Can you give me the link? Thanks
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david4599
david4599@david4599_hex·
@DeVlLT Not the 700x, but most 750x, every 900x and every PSone 10x (PU-22, PU-23 and PM-41 boards to be precise). Basically, they have tighter tolerances and my wobble patterns must be less spaced but this disturbs the lens too much and I couldn't find a good compromise.
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Daniel
Daniel@DeVlLT·
@david4599_hex Ok. Well, I'm looking forward to reading your blog with the detailed information. Thanks for your responses. 😉
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Daniel
Daniel@DeVlLT·
@david4599_hex Are you referring to the SCPH-7002 and 9002 models?
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david4599
david4599@david4599_hex·
@DeVlLT Yep it's definitely better with new tricks I found recently even though there are still downsides like the late PS1 models not supported. Right now, I'm documenting the project in a small blog I'm building and unless I become busy, it should be released in a few weeks I hope.
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Daniel retweetledi
Xbox
Xbox@Xbox·
An Xbox made for the myth and torment of Viking Iceland. Follow & RT with #HellbladeIIXboxSweepstakes for a chance to win a custom Senua's Saga: Hellblade II Xbox Series X console, controller, and stand combo! Ages 18+. Ends 6/17/24. Rules: xbx.lv/3wHBg9e
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