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The Toshiba T5200 wasn’t just another PC clone — it was Toshiba’s idea of a portable workstation.
Launched in 1989, this luggable packed a 386 processor, bright orange plasma screen, and expansion slots into a machine aimed at professionals. Prices started around $9,000, and Toshiba even offered OS/2 and their elusive UNIX variant, T/PIX.
In this episode, I take a closer look at the T5200/100, which arrived with a faulty floppy drive. A simple swap wasn’t possible — Toshiba used a proprietary 26-pin connector. So I built a custom cable and added a small hardware mod to bring it back to life. Along the way, we’ll explore its unusual RAM slots and even an MS-DOS 4 install.
In this episode:
00:00 Intro
00:53 Toshiba T5200 Retrospective
04:18 T7200’s Proprietary RAM Modules
05:10 Building a 26-pin to 34-pin Floppy Drive Adapter
07:04 720K Or 1.44M Mode – Why Not Both?
09:26 Conclusion
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This video was made possible with support by:
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Visit also THE PHINTAGE COLLECTOR website at for insights into my retro computer collection.
This presentation, Copyright @ 2025 THE PHINTAGE COLLECTOR, Gianpaolo Del Matto. All rights reserved.
Individual Copyrights apply for referenced material (see sources).
Music composed by
Abdallah El-Ghannam |
rootkitty |
References & Further Reading:
Manuals & Official Docs:
– Toshiba T5200 Maintenance Manual (minuszerodegrees)
(see esp. page B-6)
– Toshiba T5200 and T5200C Summary Sheet (minuszerodegrees)
– Toshiba Diagnostics Overview (minuszerodegrees)
Drivers, Utilities & Software Archives:
– Toshiba Drivers, Utilities & Manuals Collection (archive.org)
– Toshiba 5200 Collection (archive.org)
– Retrospace Utilities Archive (search “T5200” → TEST3.EXE diagnostics)
– General archive search: Toshiba T5200 (archive.org)
Community Discussions & Repairs:
– VCFED Forum: T5200/100 problem
– DOSReloaded Forum: T5200/100
– VCFED Forum: Floppy not working on T5200
– VCFED Forum: Dead HDD, possible dead floppy
Technical Resources, Mods & Hacks:
– GitHub: Toshiba T5200 project (docs, floppy info, BIOS, mods)
– Vogons: External floppy discussion (A/B/PRT switch, BIOS quirks)
– Vogons: Floppy cabling hack (26-pin to 34-pin adapter wiring)
General Info & History:
– ClassicBits: Toshiba T5200 overview
– Toshiba retro site (Swedish mirror/archive)
– Your Computer (Dec 1988) — Toshiba T5100/T5200 coverage (archive.org)
Media & Commercials:
– 1990 Australian Toshiba Laptop Commercial
– Computer Chronices – New Laptop Generations (05/09/1989)
(Source: YouTube Channel THE PHINTAGE COLLECTOR)
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