smd.lotharek.pl - Professional electronics` assembly on a production line with the capacity of up to 18000 components per hour, based on Neoden / Yamaha equipment                                                                                                                                  

smd.lotharek.pl - Professional electronics` assembly on a production line with the capacity of up to 18000 components per hour, based on Neoden / Yamaha equipment                                                                                                                                  

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MAMLAS - RAM / CPU / AY-AVR module


MAMLAS -  RAM / CPU / AY-AVR  module

Not yet available

 

ZX 48/48+ SRAM / CPU  MODULE  is my next step to help ZX Spectrum owners  to repair their computers home, as in most of the cases  faulty is dynamic ram and CPU. Also, adds AY module emulator and ULA sound as well

  • replaces base CPU ram of 32KB 
  • replaces Z80 CPU
  • 4 layers pcb; CPLD based logic
  • installation consists of 3 steps:
    • remove old rams 32kB
    • remove old cpu
    • solder module in place of CPU  or insert into socket (not supplied)
  • Built in AY emulator based on AVR (https://www.avray.ru/)
  • ULA sound on both channels
  • SRAM disable/enable jumper

 

 

 

 

 

 

 

 


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