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#theretroweb

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ltning<p><a class="hashtag" href="https://pleroma.anduin.net/tag/overclocking" rel="nofollow noopener" target="_blank">#Overclocking</a> time! One of my favourite 286es is getting a makeover!</p><p>This one has a weird chipset branded "Solutions", but it turns out it's really a bog-standard (but very cool!) C&amp;T NEAT chipset. The board itself seems to be of the brand Cotek, but that's just going by the stickers on the BIOS and KBC. According to <a class="hashtag" href="https://pleroma.anduin.net/tag/theretroweb" rel="nofollow noopener" target="_blank">#TheRetroWeb</a> however*, the brand is PCT - but no model name is to be found anywhere. The stock configuration of this board seems to be a 25MHz CPU with a 50MHz crystal driving it. So it's already a damned fast 286 - but there's no reason it can't go even faster!</p><p>Well, long story a bit shorter: After some extremely clumsy soldering on my part, I was able to replace the main 50MHz crystal with the Any_Clk, a custom, variable clock generator from MiGron**.</p><p>Turns out this machine is stable at 31.25MHz! Now if that doesn't take this 286 well into 386 performance territory, I don't know what will!</p><p>See the beautiful close-up pictures in this post (details in the alt-texts), and look for benchmarks and a hint of drama in the follow-ups!</p><p><a class="hashtag" href="https://pleroma.anduin.net/tag/retrocomputing" rel="nofollow noopener" target="_blank">#retrocomputing</a> <a class="hashtag" href="https://pleroma.anduin.net/tag/hardwaremods" rel="nofollow noopener" target="_blank">#hardwaremods</a> #286 <a class="hashtag" href="https://pleroma.anduin.net/tag/needforspeed" rel="nofollow noopener" target="_blank">#needforspeed</a></p><ul><li><a href="https://theretroweb.com/motherboards/s/pct-unknown" rel="nofollow noopener" target="_blank">https://theretroweb.com/motherboards/s/pct-unknown</a> ** <a href="https://migronelectronics.bigcartel.com/product/any-clk-devices-for-ibm-xt-286-386-486-overclocking-underclocking" rel="nofollow noopener" target="_blank">https://migronelectronics.bigcartel.com/product/any-clk-devices-for-ibm-xt-286-386-486-overclocking-underclocking</a></li></ul>