8 inch floppy drive #3, 4 and 5 repair (CDC 9406 BR8A8B diskette drives) @CuriousMarc
8 inch floppy drive #3, 4 and 5 repair (CDC 9406 BR8A8B diskette drives)  @CuriousMarc
Uploaded April 2023 | Updated September 2026, 2 weeks ago
We repair more 8" diskette drive units with new and entertaining failure modes, including an interesting one involving one of the heads.

Depstech DS 520 endoscope: amazon.com/dp/B0BL7LYR9Y

8" Diskette floppy drive restoration playlist:
youtube.com/playlist?list=PL-_93BVApb59tOBmcSGTdc79zuEgp6MxF

Stuff that supports the channel:
- Amazon links for the tools I use in the lab (supports the channel if you buy from there)
curiousmarc.com/amazon-links
- Channel merch on Teespring: teespring.com/stores/curiousmarcs-store
- Support us on Patreon: patreon.com/curiousmarc

Our lovely sponsors
- PCBWay: fast turn PCBs, pcbway.com
- Electro-Rent: electrorent.com
- Keysight: test instruments: keysight.com
- Samtec: connectors: samtec.com
- R&D Microwaves: rdmicrowaves.com

Get more technical info on the companion site: curiousmarc.com
Contact info: youtube.com/curiousmarc/about
8 inch floppy drive #3, 4 and 5 repair (CDC 9406 BR8A8B diskette drives)Apollo Comms Part 14: Reverse Engineering NASAs Up Data Link test boxHP 5087A Distribution Amplifier has a mystery boardApollo Comms Part 32: Breaking the Updata Link Code30 min of Analog Plotter TherapyHP 9895A Part 2: Epic Controller Board Repair (and a transparent chip surprise)Apollo Comms Part 30: We explain and debug modern (CD4046B) and vintage (Apollo) PLL circuits.Apollo Comms Part 10: Apollo SDR reboot and first voice transmission!Genuine NASA Apollo DSKY Full Restoration (Apollo DSKY - part 2)A few orbits with the Soyuz Globus #Short #InTheRightOrientationHP 5327B Nixie Universal Counter / DVM repairCape Canaveral Historic Launch Sites Visit
CuriousMarc |

8 inch floppy drive #3, 4 and 5 repair (CDC 9406 BR8A8B diskette drives)

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