power supply won't work.
Notices by Tube🌞Time (tubetime@mastodon.social), page 6
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:16 JST Tube🌞Time -
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:16 JST Tube🌞Time drive enclosure will not power up 😔
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:16 JST Tube🌞Time here's the Comspec SCSI drive enclosure. it's a bit of a beast and supports two half height drives. Comspec was definitely Canadian; check out that mounting screw!
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:16 JST Tube🌞Time i've been reading the Amiga 1000 Assembly and Component Level Repair manual and found this interesting memory map diagram. notice what is stored from F00000-F7FFFF? it is marked "CART." could this have been for a game cartridge slot? the Comspec SCSI card puts its autostart ROM here.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:15 JST Tube🌞Time it's waiting for the HDD to spin up and initialize.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:15 JST Tube🌞Time the circuit is similar to the "typical application circuit" and it looks like there are two small electrolytic capacitors on the UC3842 VCC rail that have gone super leaky, preventing it from bootstrapping and powering up. it was a simple enough fix.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 10:21:15 JST Tube🌞Time the controller is the UC3842. hmm.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:50:36 JST Tube🌞Time for a housing, I've 3D printed this little thing.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:50:35 JST Tube🌞Time huh it actually works!
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:50:35 JST Tube🌞Time looks pretty good.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:50:35 JST Tube🌞Time I think I can glue it shut.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:37:58 JST Tube🌞Time I think this 0.1" header will fit if I cut it down and file it.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:37:58 JST Tube🌞Time only one small problem: I don't have the power adapter.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:37:57 JST Tube🌞Time that looks really close.
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Tube🌞Time (tubetime@mastodon.social)'s status on Tuesday, 21-May-2024 04:29:35 JST Tube🌞Time I got a new mini laptop! it's a Libretto 100CT.
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Tube🌞Time (tubetime@mastodon.social)'s status on Monday, 20-May-2024 00:26:53 JST Tube🌞Time another silicon valley electronics flea market thread!
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Tube🌞Time (tubetime@mastodon.social)'s status on Monday, 20-May-2024 00:26:52 JST Tube🌞Time plenty of ancient test equipment
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Tube🌞Time (tubetime@mastodon.social)'s status on Monday, 20-May-2024 00:26:52 JST Tube🌞Time a homebrew uhh something.
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Tube🌞Time (tubetime@mastodon.social)'s status on Monday, 20-May-2024 00:26:52 JST Tube🌞Time bunch of Apple II gear.
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Tube🌞Time (tubetime@mastodon.social)'s status on Monday, 20-May-2024 00:26:51 JST Tube🌞Time this has got to be the smallest scope screen ever