I now have a Yamaha DX7, and a Yamaha DX7IIFD with Grey Matter E! Card, and a Yamaha TX816 Midirack and an assortment of cartridges. I am working to learn how to create new patches for the DX7. My notes on Yamaha equipment, including the DX7.

Yamaha DX7 Midi Implementation Chart

• dx7 operating manual - https://synthfool.com/docs/Yamaha/DX_Series/Yamaha%20DX7%20Operating%20Manual.pdf

• lots of great DX7 info: sound samples, comparisons of models, books: https://spectralplex.com/yamaha-dx7-synthesizer/
• yamaha dx7 description and manual reprint for sale https://yamahablackboxes.com/collection/yamaha-dx7-synthesizer/
• Dave Bensons DX7 page https://homepages.abdn.ac.uk/d.j.benson/pages/html/dx7.html
• yamaha spec sheet https://download.yamaha.com/files/tcm:39-331941 - The Yamaha DX7: The Synthesizer redefined

• yamaha sysex patches https://yamahablackboxes.com/collection/yamaha-dx7-synthesizer/patches/
• all the web patches collection - http://bobbyblues.recup.ch/yamaha_dx7/dx7_patches.html
• curated Dexed dx7 patches: https://www.reddit.com/r/synthesizers/comments/e4jkt7/my_curated_dexeddx7_patches_3_banks/
• dx7 patches with previews - https://gearspace.com/board/electronic-music-instruments-and-electronic-music-production/1201845-dx7-patch-database-preview.html
• off the matrix dx7 patches for sale - https://www.offthematrix.net/product-page/dx7-tx802-patches
• artificial intelligence DX7 patch creator - https://www.synthtopia.com/content/2020/06/01/new-site-uses-artificial-intelligence-to-create-yamaha-dx7-synth-patches-so-you-dont-have-to/
• inaccessible SSL problem? https://analogtides.com/products/yamaha-dx7-vol-1
• for dance, EDM, and electronics - https://forum.vintagesynth.com/viewtopic.php?t=96524

• How to Understand and Program Your Yamaha DX7 - Lorenz M. Rychner - Alexander Pub., 1985 - Synthesizer (Musical instrument)
  • This book has been designed for use in front of the Yamaha DX7. It's written in a tutorial manner, taking [the reader] step-by-step through the operations of this … instrument.-How to get the most out of this book.
  • https://books.google.com/books/about/How_to_Understand_and_Program_Your_Yamah.html?id=epv5GgAACAAJ
    • search for author - https://www.google.com/search?q=Lorenz+M.+Rychner&rlz=1C9BKJA_enUS905US905&oq=Lorenz+M.+Rychner&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIGCAEQRRg8MgYIAhBFGDwyBggDEEUYPDIKCAQQABiABBiiBDIKCAUQABiABBiiBDIKCAYQABiABBiiBNIBCDM4OTlqMGo0qAIAsAIA&hl=en-US&sourceid=chrome-mobile&ie=UTF-8&dlnr=1&sei=yBdnZfapEbm6kPIPvauLqAI

• comments about programming - https://www.vintagesynth.com/yamaha/dx7#:~:text=Following%20the%20monaural%20DX7%20came,well%20as%20ambient%20and%20electro.

• grey matter for dx7
  • this instructions seems to apply to DX7, not the II, because it shows different button labels than on the II: https://www.chipple.net/dx7/english/function.mode.html
  • Yamaha DX7IIFD with Grey Matter E!
    • 2023/10/16 - after replacing DX7 memory backup battery with a coin battery holder, the memories had to be reinitialized
    • source: https://wwwuser.gwdg.de/~gschuma1/
    • E! For DX7IIFD - https://wwwuser.gwdg.de/~gschuma1/download/E!_for_the_YAMAHA_DX7II_series.pdf
    • supplement for DX7 II series - https://wwwuser.gwdg.de/~gschuma1/download/E!_for_the_YAMAHA_DX7II_series_supplement.pdf
  • E! Factory disk sound banks: page: https://yamahamusicians.com/forum/viewtopic.php?t=14619
    • The dropbox link has a file called “E! Factory Disk - Complete w SEQ.syx”. I sent that using Sysex Librarian on mac
  • additional problem was almost no audio output for any of the patches. We finally noticed very faint audio. Turns out there was an output level that has to be reset.
  • all the memory patches auditioned
• Grey Matter E! Manual: https://homepages.abdn.ac.uk/d.j.benson/pages/dx7/manuals/dx7-e-card-man.pdf

• Arturia DX7 manual http://downloads.arturia.com/products/dx7-v/manual/dx7-v_Manual_1_0_EN.pdf

• Dtronics DT7 - Yamaha DX7 Programmer - https://www.dtronics.nl/dt-7
• mini Dexed - 8 dx7 on a raspberry pi - https://www.gearnews.com/minidexed-run-8-dx7s-on-a-raspberry-pi-for-free/