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Submission Details

4481.14 MHz with
Pentium E2140 @ 4481.14 MHz
Extreme Submitted

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Hardware Details

Processor

Model
Pentium E2140 Allendale-1M
Cooling
Liquid Nitrogen
Cores
4,481.14 MHz  (180%)

Comments

TaPaKaH
TaPaKaH

No BSEL mod. I tried it on a couple of other E21x0s and didn't see any difference.

ZFeSS
ZFeSS

Congrats. Any chance for 200%?

TaPaKaH
TaPaKaH

To do 600MHz FSB on Allendale you'd need a chip that

a) Does at least 530-540 on air;

b) Scales well from cold.

500+ air chips are about 1 in 100 even on carefully selected batches, to get 530+ air you'd literally need bin them in thousands. Doing so you will waste thousands of Euros as rejects are hard to resell even at 1€ a piece. Even if you find a 530+ air chip then it's not a given that it will have "normal" air-to-LN2 scaling (of about 60 FSB). So you might as well classify 200% on these CPUs as impossible.

ObscureParadox
ObscureParadox
To do 600MHz FSB on Allendale you'd need a chip that

a) Does at least 530-540 on air;

b) Scales well from cold.

500+ air chips are about 1 in 100 even on carefully selected batches, to get 530+ air you'd literally need bin them in thousands. Doing so you will waste thousands of Euros as rejects are hard to resell even at 1€ a piece. Even if you find a 530+ air chip then it's not a given that it will have "normal" air-to-LN2 scaling (of about 60 FSB). So you might as well classify 200% on these CPUs as impossible.

 

This, 500+ are few and far between and I've purchased maybe 100-120 Allendale CPUs and have not had one do over 490MHz on air yet.

 

The two I've had that did 485MHz on air didn't scale past 515MHz on LN2, was not impressed......

phobosq
phobosq

@Sam: what batches are interesting for E2140?