Sega Genesis / MegaDrive Information
My Documentation

gen-hw.txtSega Genesis / MegaDrive hardware notes.
genvdp.txt315-5313 VDP documentation. Horribly outdated and in need of an major rewrite.
gstform.txtDescription of genecyst save state file format.
smdtech.txtSuper Magic Drive hardware information.
smdform.txtSuper Magic Drive file format descriptions.

Datasheets

x24c01.pdfXicor X24C01 serial EEPROM
rf5c68a.pdfRicoh RF5C68A 8-channel stereo PCM sound chip
lc89510.pdfSanyo LC89510 CD-ROM controller
lc89515k.pdfSanyo LC895155K CD-ROM controller

Scans

mega1.gifSega Genesis schematics (CPU / Custom chips #1)
mega2.gifSega Genesis schematics (CPU / Custom chips #2)
mega3.gifSega Genesis schematics (Sound / video #1)
mega4.gifSega Genesis schematics (Sound / video #2)
mega5.gifSega Genesis schematics (Block diagram #1)
mega6.gifSega Genesis schematics (Block diagram #2)
master-mega-converter-mb01.jpgMaster Mega Converter PCB scan (front)
master-mega-converter-mb02.jpgMaster Mega Converter PCB scan (back)
front.jpgNBA Jam cartridge PCB scan (front)
back.jpgNBA Jam cartridge PCB scan (back)
scfsmall.pngSega Channel adapter PCB scan (front)
scbsmall.pngSega Channel adapter PCB scan (back)

Super Magic Drive transfer utility

smdutil-080503-dos.zipDOS binary.
smdutil-080503-src.zipSource code (DJGPP)
smdutil-010201-src(beos).zipSource code (BeOS port)

Links

SMS Power!
Eidolon's Inn

Web Rings

Sega Genesis Dev Ring

Credits

  • Thanks to Mr. Sporty for the NBA Jam PCB scans.
  • Thanks to Gringoz for the Sega Genesis schematics.
  • Thanks to Clint Zerk for the Sega Channel adapter scans.
  • Thanks to H. Meun for the Master Mega Converter scans.

Return