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Comment: flashing FW info

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Info
titlewhen you use the PIXIE or Sonic Potions CPU you dont need following parts

ift(y): yellow coil for the original cpu clock
ic2: cd4556B decoder/multiplexer
ic3, ic4, ic5: cmos ram
D4: 1n4148
R6: 33k
R7: 100k 
R23: 22k 
R39, R40, R41, R44: 3.3k
C12: 0.01uf film 
C57: 100uf / 25v electrolytic
Q4: 2sc536f/2sc945p 

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View file
nameRE-303v1.2BUILDGUIDE.pdf
height250


Issue/Help

IDIssueIssue/Mod  Description and fix
1Gate in case you hear the gate signal  - attack clicks  - you can try to connect a 100nF polar cap**  between GND and Trigger.  Measure with an scope to find the best value - maybe you need a bigger value 220-470nf 

Pixie CPU (the better Version) 

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  1. turn on and send 303.sysx with sysex librian tool
  2. turn off and on again
  3. send the boot loader sysex (1.30 version)
  4. turn off
  5. turn on while hold Step1 (all lets flashes like night rider mode)(some older boot loaders don't have the night rider mode)
  6. now send the REEMU 1.3.0 sysex
  7. machine restarts byself in 1.3.0 mode
  8. turn off and on the 303
  9. send the 303 sysx (optional)
  10. reload the boot loader 1.4.3 in boot loader mode (hold step1) and upload the REEMU 1.4.3 sysex


Sonicpotions CPU:  (deprecated ) pls. use the Pixie CPU

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