Intel will stop producing the RS1 Laminar original radiator as of October 27, 2023.This radiator was specifically made for entry-level Pentium and Celeron dual-core processors.
If the system becomes unstable you may have to bump up the processor voltage (which involves another piece of wire). In the article, Dan Zhang is able to take a 1.8GHz Pentium M to 2.4GHz.