one of today's pickups is this mystery Xebec RAM card. I can't find any information about it, so I think I'll try reverse engineering it.
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:34:00 JST Tube🌞Time -
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:58 JST Tube🌞Time phew, that was a lot of work.
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:58 JST Tube🌞Time scanned and loaded into Kicad!
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:59 JST Tube🌞Time removed the one PROM chip and, confirmed, it was a pain. the other chips will be easier though...
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:59 JST Tube🌞Time just clipping the leads of the chips using side cutters will make this much easier. they're just plain TTL anyway.
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:59 JST Tube🌞Time phew!
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:33:59 JST Tube🌞Time the sockets are going to be trickier. i'm thinking i need a soldering iron tip that can hit all the pins at once. did a web search and the 5th result was MY OWN DANG TWEET from like 2 years ago, lol. i think i just "Fooned" myself.
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Tube🌞Time (tubetime@mastodon.social)'s status on Saturday, 20-Apr-2024 06:34:00 JST Tube🌞Time the chip pins are crimped. this is a huge pain even with the super nice desoldering tool (FR-301)
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