Purchased a 400mhz G3 ZIFF Upgrade CPU but after installation G3 Still reports 266Mhz

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Tinkerer
Nov 5, 2021
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San Jose, CA
peak-weber.net
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They might have added -5V with the Beige, but it seems farfetched.

Neither Beige or B&W have -5V. Here's the pinout for both:
Pinout.jpg