Zenith Z-148 rare retro PC Rifa repair & review

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The Z-148 was Zenith Data Systems unsuccessful entry-level PC, from 1985 to 1987. I explain its history, replace the failed Rifa capacitors in mine, give an overview of its design, and show it in operation. Time flow: 0:00 Introduction 0:42 Zenith Z-148 history 3:14 Teardown 4:20 Roasted Rifa capacitors 8:56 CPU board 10:45 I/O board 12:32 System timing 13:55 Upgrades 15:41 Power-up u0026 Zenith quirks 18:55 Floppy drives 20:28 MS-DOS in only 256K? 22:02 Keyboard 23:26 Zenith s nadir 24:06 A cure for upgraditis Relevant videos: BBC Micro X2 EVOX RIFA capacitors going POP [ 🔗 Click ‼️ ] RIFA AC Filter Capacitor Blowup [ 🔗 Click ‼️ ] Zenith Data Systems vintage 84-key AT keyboard [ 🔗 Click ‼️ ] New SmartWatch+ clock module for Tandy 1000s u0026 XTs [ 🔗 Click ‼️ ] Zenith eaZy PC review [ 🔗 Click ‼️ ] #zenith #rifa #capacitor

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🌈 🔎 ZenithZ148rareretroPCRifarepairreview 🌈

🌟 Thu, 08 Jun 2023🌟

⭐️ Hi 😀 ‼️
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🥇 Lucky Number : 8 6 4

🌈 Lucky Color : Beige