This is the next installment of the TRS-80 Model II "Left for dead" series. In this video I get figure out how to get the 8" disk drive working so I can test it along with creating a disk from an image. This will allow boot the TRS-80 Model II once it is re-assembled. Part 1: https://www.youtube.com/watch?v=x8DfSg7oMWg Part 2: https://www.youtube.com/watch?v=QQhJCRRkfDw Part 3a: This video! Part 3b: https://www.youtube.com/watch?v=RMM16oeTB8A (all about termination) Part 4: https://www.youtube.com/watch?v=7DzJxdYdlKQ Part 5: https://www.youtube.com/watch?v=-h1ZGxwbsPg Part 6: https://www.youtube.com/watch?v=yMQiP2Xpmlk Part 7: https://www.youtube.com/watch?v=-eMl2r3JIx4 Companion video on disk termination: https://www.youtube.com/watch?v=RMM16oeTB8A --- Video Links IMD / Imagedisk: http://dunfield.classiccmp.org/img/index.htm Shugard SA800 Maintenance Manual: http://www.bitsavers.org/pdf/shugart/SA8xx/39025-1_SA800_801_Service_Manual_Mar82.pdf Disk Drive / Floppy Drives (Wikipedia) https://en.wikipedia.org/wiki/Floppy_disk TRS-80 Model II manuals: https://electrickery.hosting.philpem.me.uk/comp/trs80m2/doc/ TRS-80 Model II Github Archive: https://github.com/pski/model2archive Ebay 50 pin to 34 pin adapter: https://www.ebay.com/itm/114924378003 Adrian's Digital Basement ][ (Second Channel) https://www.youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g Support the channel on Patreon: https://www.patreon.com/adriansdigitalbasement -- Tools Deoxit D5: https://amzn.to/2VvOKy1 http://store.caig.com/s.nl/it.A/id.1602/.f O-Ring Pick Set: (I use these to lift chips off boards) https://amzn.to/3a9x54J Elenco Electronics LP-560 Logic Probe: https://amzn.to/2VrT5lW Hakko FR301 Desoldering Iron: https://amzn.to/2ye6xC0 Rigol DS1054Z Four Channel Oscilloscope: https://www.rigolna.com/products/digital-oscilloscopes/1000z/ Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier: https://amzn.to/3adRbuy TL866II Plus Chip Tester and EPROM programmer: (The MiniPro) https://amzn.to/2wG4tlP https://www.aliexpress.com/item/33000308958.html TS100 Soldering Iron: https://amzn.to/2K36dJ5 https://www.ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853 EEVBlog 121GW Multimeter: https://www.eevblog.com/product/121gw/ DSLogic Basic Logic Analyzer: https://amzn.to/2RDSDQw https://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672 Magnetic Screw Holder: https://amzn.to/3b8LOhG https://www.harborfreight.com/4-inch-magnetic-parts-tray-90566.html Universal ZIP sockets: (clones, used on my ZIF-64 test machine) https://www.ebay.com/itm/14-16-18-20-24-28-32-40-pin-IC-Test-Universal-ZIF-Socket-Fs/303206721971 RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI) http://www.retrotink.com/ Plato (Clone) Side Cutters: (order five) https://www.ebay.com/itm/1-2-5-10PCS-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184 Heat Sinks: https://www.aliexpress.com/item/32537183709.html Little squeezy bottles: (available elsewhere too) https://amzn.to/3b8LOOI --- Links My GitHub repository: https://github.com/misterblack1?tab=repositories Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group https://www.commodorecomputerclub.com/ --- Instructional videos My video on damage-free chip removal: https://www.youtube.com/watch?v=XQVjwPsVFd8 --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino