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Chips for the C16 and Plus4
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251641-02 PLA Chip
317053-01 Lo Function ROM for Plus 4
317054-01 Hi Function ROM for Plus 4
318004-04 Kernal ROM
318004-05 Kernal ROM
318006-01 BASIC ROM
4164 RAM Chip for Breadbin C64 (excluding p/n: 250466 boards) Also used in the Amstrad CPC464 etc.
Faulty RAM chips in the C64 often result in an "Out of Memory" error on boot or less than 38911 bytes free. A crude but often effective way to test which chip is bad, is to "piggy-back" a working chip on each RAM chip one at a time. If the error goes away or at least changes, there's a good chance that chip is faulty.
7805 Voltage Regulator
Replacement 5 volt regulator IC for the Spectrum, (breadbin) Commodore 64, ZX81 etc
8360 TED Chip for C16 / Plus 4
PLAnkton+4: A 251641-02 PLA replacement module for CBM +4
PLAnkton-TED: A 251641-02 PLA replacement module for C16
SaRuMan TED - 64K RAM Expansion board