Atari FREDDIE (C061922/C061991) chip replacement module For Sale
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Freddie chip replacement for Atari 8-bit - requires SRAM MODULE available in our other items. It will not work without it. Please also check our other items for standalone, CPLD OSC clock (3.5X MHz) for GTIA (CLK_IN /4)
PAL/NTSC independent
Generates inverted CLK_O for some motherboard revisions
CAS_IN for SRAM BY STEP:
swap faulty Freddie chip with this module
connect two wires to SRAM (CI and EXT)
after powering on, CLK_OK LED shall be constantly on - it means we have nice square clock you are not familiar with soldering or you do not have proper tools, we can install the expansion for you. Please contact us to arrange installation.
If you are installing the device yourself, we will not take any responsibility for any damage to your hardware and the device will NOT be subject of any kind of warranty.
Owners of VBXE upgrade do not need FREDDIE replacement.
Step by step instructions:
Fit SRAM replacement
Desolder Freddie
Fit VBXE
Connect VBXE J6 pin 1 (3.5MHZ) to OSC signal, available at hole in the PCB left after Fredie pin 37 or LS74 pin 3 or GTIA pin 28