Overclocking P5 MMX 166 and 200

Overclocking P5 MMX 166 and 200

Post by Neil Carlso » Fri, 05 Sep 1997 04:00:00



I'm looking into a P5 MMX 166 or 200 that I can overclock using a
multiplier of 3 or 3.5 with a 66 Mhz bus.  I'd like to know your
processor's S-Spec number if you've successfully been able to use
a multiplier of 3 or 3.5 with a 166MMX or 3.5 with a 200MMX.  Also
if there are some specific S-Spec numbers to avoid I'd like to know
that too!  From Tom's Hardware page it appears that SY037 processors
have been overclock protected; please correct me if I'm wrong.

Thanks in advance,
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Overclocking P5 MMX 166 and 200

Post by Chri » Sat, 06 Sep 1997 04:00:00



> I'm looking into a P5 MMX 166 or 200 that I can overclock using a
> multiplier of 3 or 3.5 with a 66 Mhz bus.  I'd like to know your
> processor's S-Spec number if you've successfully been able to use
> a multiplier of 3 or 3.5 with a 166MMX or 3.5 with a 200MMX.  Also
> if there are some specific S-Spec numbers to avoid I'd like to know
> that too!  From Tom's Hardware page it appears that SY037 processors
> have been overclock protected; please correct me if I'm wrong.

I have a P166MMX S-spec SL27K (ceramic) that has the 3.5 multiplier. It
runs stable up to 233 MHz with standard 2.8 volts. Even higher when I
upper the core voltage. I've read that also the SL27H's with plastic pin
grid array have 3.5 and are even more overclockable.

Chris

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