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Due to present COVID-19 situation, ONLY UPS/FEDEX postal services work for all destinations. GLOBAL EXPRESS is not available at this time ! Please do not select this at checkout !                                                                                                                                  

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FREDDY MODULE  


FREDDY MODULE  

Our price:

32.00 PLN

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Weight: 0.1 kg

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Buy more, pay less:

  • for 2 pieces and more - 3% (31.04 PLN)
  • for 5 pieces and more - 6% (30.08 PLN)
  • for 10 pieces and more - 9% (29.12 PLN)
  • for 50 pieces and more - 12% (28.16 PLN)
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FREDDY REPLACEMENT  -   You must have installed SRAM MODULE first !!!

 

  • Creates OSC clock (3,5X MHz) for GTIA  (CLK_IN /4)
  • PAL/NTSC independant
  • Gnerates inverted CLK_O for some motherboard revisions
  • CAS_IN for SRAM MODULE CONNECTOR ONLY

 

STEP BY STEP:

  • swap FREDDIE CHIP with replacement
  • connect wire form LSP1  to CI (cas_inhibit signal on rev 2)  SRAM MODULE
  • after power_on, clk_led shall be constant on - it means we have nice square clock signal :-)

 

 

DISCLAIMER:

owners of VBXE upgrade do NOT NEED FREDDY REPLACEMENT.

to do:

  • FIT SRAM REPLACEMENT
  • DESOLDER FREDDY
  • FIT VBXE
  • Connect VBXE J6 pin 1 (3.5MHZ)  to OSC signal, available:
    • at HOLE in PCB after FREDDY PIN 37  or...
    • LS74 pin 3  or...
    • GTIA pin 28

 


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