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   Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Thursday, 15-May-2025 03:44:46 JST Gammitin (Ben) 💾

   New Thread 🧵
   A lovely, but in need of a good service:
   1988 - Olivetti Prodest PC1 (80188-compatible) based computer and accompany Olivetti Prodest MM-1012 12" Monochrome CRT

   • Embed this notice
     ☠ Captain Arcee ☠ (captainarcee@retro-gaiden.com)'s status on Thursday, 15-May-2025 03:44:45 JST ☠ Captain Arcee ☠

     in reply to

     @Gammitin I like how the floppy drives are integrated into the case in such a way that the small monochrome CRT fits perfectly on top

   • Embed this notice
     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Thursday, 15-May-2025 03:44:46 JST Gammitin (Ben) 💾

     in reply to

     It's really dirty, but thankfully it has no shipping damage, what a lovely machine, I love this integrated keyboard form factor.

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:16 JST Gammitin (Ben) 💾

     in reply to

     Prince of Persia

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:17 JST Gammitin (Ben) 💾

     in reply to

     Loading...

     ☠ Captain Arcee ☠ repeated this.
   • Embed this notice
     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:18 JST Gammitin (Ben) 💾

     in reply to

     I've created a repository for the Olivetti Prodest PC1 on archive.org, I've dumped and added my bios ROMs:
     https://archive.org/details/Olivetti-Prodest-PC1

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:19 JST Gammitin (Ben) 💾

     in reply to

     Yamaha V63550D display controller:

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:19 JST Gammitin (Ben) 💾

     in reply to

     ROM chips:
     BIOS ROM version 1.06 (16k in size)
     FONT ROM version 1.01 (8k in size)

     ☠ Captain Arcee ☠ repeated this.
   • Embed this notice
     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:20 JST Gammitin (Ben) 💾

     in reply to

     Presento la scheda madre!
     Here's some interesting bits:
     - Audio jack, for PC speaker
     - PC speaker volume slider
     - A second floppy port, and a button so you can disable the second in-built one and use an external one (hmm Gotek 🤔)
     - BIOS + separate FONT ROM
     - NEC V40 (80188 comp)

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:20 JST Gammitin (Ben) 💾

     in reply to

     NEC V40 - D70208L-8 CPU 😍

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:21 JST Gammitin (Ben) 💾

     in reply to

     Lid off:

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:21 JST Gammitin (Ben) 💾

     in reply to

     PSU:
     240v to 24v AC transformer, then simple DC outputs (PC): +12v, +5v, Gnd, Reset.

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:21 JST Gammitin (Ben) 💾

     in reply to

     At some point in the past, someone has taken the cover off the switch area and left the screws out, a lovely bit of exposed 240v AC ⚡

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:21 JST Gammitin (Ben) 💾

     in reply to

     I've added a cable tie as a cable-stop and found some black screws, feels a bit safer now.

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:23 JST Gammitin (Ben) 💾

     in reply to

     It boots! 😍😍😍

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     Gammitin (Ben) 💾 (gammitin@mastodon.social)'s status on Friday, 16-May-2025 03:35:23 JST Gammitin (Ben) 💾

     in reply to

     This thing is great, I have a few plans for it, but first it needs a really good clean up.