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A comment on The New ROM Antics – Building the ZX Spectrum 128. Parent comment

Re:The New ROM Antics – Building the ZX Spectrum 128 by bewilderbeast on Saturday February 03, 2024 @07:57AM (#39239936)
The heatsink cools the LM7805 power regulator, not the CPU. In the original 48k Spectrum, the heatsink was internal.
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Re:The New ROM Antics – Building the ZX Spectrum 128 by nickt on Saturday February 03, 2024 @10:32AM (#39241244)
And if you use a modern switch-mode replacement, you don’t need a heat sink at all.

I know some folks like to put small heat sinks on the ULA though.

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Re:The New ROM Antics – Building the ZX Spectrum 128 by SomeoneFromCA on Saturday February 03, 2024 @02:23PM (#39243811)
Soviet clones had ULAs built from individual 74xx ics. No need for heatsinks!
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Re:The New ROM Antics – Building the ZX Spectrum 128 by nickt on Saturday February 03, 2024 @07:56PM (#39246405)
Excellent! I need to mess around with them at some point.
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