[rc5] Dangers of overclocking

Rebecca and Rowland rebecca at astrid.u-net.com
Sat Jul 12 03:14:25 EDT 1997

>Date: 11 Jul 1997 16:13:05 -0400
>From: Michael Graff <explorer at flame.org>
>Subject: [rc5] Dangers of overclocking
>Overclocking a CPU is a dangerous game to play.
>The problem is that the CPU runs "just fine" for weeks or even months
>straight, but someday the room temperature will rise up just enough
>to make it fetch a bad byte from memory.

*If* the problem is due simply to overheating the CPU, you can get round it
with a bigger heatsink and fan.

I suspect it's more likely due to running the entire system beyond its
design limits, thus increasing the chance of errors - not necessarily due
to overheating.

>I encourage you to NOT overclock your machines and run RC5 on them
>EVEN IF IT GAINS MORE KEYS/SEC.  If that glitch just happens to make
>your machine miss the key because of an overclocked CPU that small
>percentage gain isn't helping at all.  And it is more likely that you
>will find that glitch than you will find the key.

Can't argue with that.


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