January 2004
Intermediate to advanced
348 pages
13h 33m
English
Content preview from Hardware Hacking Projects for Geeks
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55
4
4. How to Build a PC
Water-Cooling System
Cost
Time
Difficulty
$50–75
a weekend
moderate
Over the last few years, it has become a popular hobby to run your PC’s
CPU at a rate faster than the factory default rate. This practice is known as
overclocking.
The Pentium or AMD processor inside your PC runs its software based on
an internal heartbeat known as the clock. The clock speed determines how
fast your system operates. AMD and Intel shamelessly flog their products
(for example, the Pentium 4 2GHz and the AMD K6II-400) based on this
clock number. Many processors that have a similar megahertz rating are
actually the same part with a different clock, potentially reducing your abil-
ity to overclock that particular processor.
Running the clock faster than what the CPU manufacturers recommend
has certain side effects. One such effect is that the CPU gets hotter than it
should. Many recently manufactured CPUs with clock speeds over 1GHz
have a temperature sensor and circuit built in, which allows the CPU to
monitor its temperature and slow things down if it gets too hot.
Many of the overclocking “pioneers” used big fans and metal-finned heat
sinks to transfer the heat generated by the faster clock rates away from the
CPU. These fans moved the air past the heat sink where a heat exchange
took place. The fans were usually noisy, and the heat sink prov ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.