Super broken Apple II floppy drive: Lets fix it @adriansdigitalbasement
Super broken Apple II floppy drive: Lets fix it  @adriansdigitalbasement
Uploaded August 2025 | Updated September 2026, 2 weeks ago
This drive first appeared in SMMC #111 where I found it to be broken. It's now time to investigate exactly what happened to this drive and see if I can bring it back to life.

-- Links

SMMC #0111 where this drive first appeared:
youtu.be/F-Cw1f4WOTY?t=638

https://mirrors.apple2.org.za/ftp.apple.asimov.net/documentation/hardware/misc/Apple%20II%20Disk%20Pinout.txt

https://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Peripherals/Disk%20Drives/Apple%20Disk%20II/Schematics/

applelogic.org/files/CA3146.pdf

Adrian's Digital Basement ][ (Second Channel)
youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
patreon.com/adriansdigitalbasement

My GitHub repository:
github.com/misterblack1?tab=repositories

--- Instructional videos

My video on chip removal without damage:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino
Super broken Apple II floppy drive: Lets fix itNnew old stock monochrome monitor from 1986 (Sceptre MM-211)Refurbishing the BBC Master 128MFM drives are really unreliableThe Plexus P/20: A Fantastic Journey (Supercut)First power up of the Plexus P/20 dual processor UNIX systemThree unknown Macs: Lets get them working again #repairMac Repairathon Part 1: Taking stock of the issuesI wasnt expecting this fault with this CoCo 1 motherboardFixing a dead and dirty Atari 800XLAnother broken Mac Plus with some odd symptomsIm learning how to run software on the Acorn Archimedes (Plus 120V conversion)
Adrians Digital Basement |

Super broken Apple II floppy drive: Let's fix it

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