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Pentium 4-M stuck at 1.2 GHz

T20-T23 Series and T30 specific matters only. NOT for T25-Retro.
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Raidriar
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Pentium 4-M stuck at 1.2 GHz

#1 Post by Raidriar » Wed Nov 15, 2017 9:35 pm

So I thought I had upgraded my CPU to a 2.5 GHz pentium 4-m, but according to NHC, it’s running at 1.2GHz. I am using the 72W adapter from the T43P, my main battery is totally dead. Any advice?

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Re: Pentium 4-M stuck at 1.2 GHz

#2 Post by rkawakami » Thu Nov 16, 2017 2:14 am

To be clear, what system are we talking about here? T2x cannot implement P4 so I'm assuming that you are doing this on a T30. If so, then it's likely that the missing (dead) battery is preventing the system from running at full speed. Try installing a known good battery and re-measure the system speed.
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Re: Pentium 4-M stuck at 1.2 GHz

#3 Post by kfzhu1229 » Thu Nov 16, 2017 3:18 pm

Also triple-check the BIOS power settings that everything related with speed are set to maximum performance.
_________________________________
T23 PIII 1.13ghz 1gb W7
2xT43 14.1" 2.26 SXGA+ 2gb 1*fp W10
T530i 15.6" i7 16gb fp W10
Flexview UXGA:
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Re: Pentium 4-M stuck at 1.2 GHz

#4 Post by Thinkpad4by3 » Thu Nov 16, 2017 3:40 pm

rkawakami wrote:
Thu Nov 16, 2017 2:14 am
To be clear, what system are we talking about here? T2x cannot implement P4 so I'm assuming that you are doing this on a T30. If so, then it's likely that the missing (dead) battery is preventing the system from running at full speed. Try installing a known good battery and re-measure the system speed.
Its likely a Pentium M. Even I confuse them sometimes with P4's sometimes.

It has SpeedStep so try and run a benchmark like AIDA to check it. It likely is just conserving power.
Probably should be Thinkpad16by10.

Looking For: 386 laptop, IBM or not.

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Re: Pentium 4-M stuck at 1.2 GHz

#5 Post by Raidriar » Thu Nov 16, 2017 4:54 pm

Sorry for not specifiying, it is indeed a T30 Pentium 4-M 2.5 GHz. I will have to track down a working battery that won’t cost me what I paid for the computer

BIOS settings are set to max performance plugged in and max battery when on battery

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Re: Pentium 4-M stuck at 1.2 GHz

#6 Post by kfzhu1229 » Thu Nov 16, 2017 8:22 pm

Also, try the latest BIOS. From what I can see, by the time T30 releases, the 2.5Ghz model of P4-M doesn't exist yet, so the out-of-the-box BIOS may not identify it properly.
I did have this problem with my A30 board and 1.2Ghz PIII-M CPU.
_________________________________
T23 PIII 1.13ghz 1gb W7
2xT43 14.1" 2.26 SXGA+ 2gb 1*fp W10
T530i 15.6" i7 16gb fp W10
Flexview UXGA:
A30p PIII 1.2 1gb W7 (IDTech)
T43p 2.26 2gb fp W10

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Re: Pentium 4-M stuck at 1.2 GHz

#7 Post by ajkula66 » Thu Nov 16, 2017 9:04 pm

Raidriar wrote:
Thu Nov 16, 2017 4:54 pm
I will have to track down a working battery that won’t cost me what I paid for the computer
Sooner the better, and remove the dead battery altogether now since running with one for an extended period of time may blow your charging circuit.
...Knowledge is a deadly friend when no one sets the rules...(King Crimson)

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