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  #1  
Old 10-26-2009, 02:55 AM
vbDavidC
Guest
 
Posts: n/a
Default Pentium 4 2.8GHz CPU showing up as 1.6GHz

Guys,

I have to fess up and say this computer is not a Dell computer, but
since I post here quite a bit I figured some of you brilliant posters
could possibly help me out.

I have had this computer Intel motherboard D865PERL (genuine Intel
board) and it has been running great for me. However, I want my
daughter to be able to run 'The Sims 3' on this PC which requires at
least a 2.0GHz processor. I thought I was in good shape but for some
it shows up in Windows (System Properties and CPUID utility) and in
the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
2.8. It is a Northwood P4 (socket 478).

The System BIOS does not really show any setting changes to make.

I bought the CPU several years ago off of Craigslist used so I don't
know some overclocker guy cooked it or something. I am just grasping
for straws.

Any ideas?

thanks
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  #2  
Old 10-26-2009, 03:06 AM
Tom Scales
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz



> -----Original Message-----
> From: vbDavidC [mailto:davidsusergroups@yahoo.com]
> Posted At: Sunday, October 25, 2009 8:56 PM
> Posted To: alt.sys.pc-clone.dell
> Conversation: Pentium 4 2.8GHz CPU showing up as 1.6GHz
> Subject: Pentium 4 2.8GHz CPU showing up as 1.6GHz
>
> Guys,
>
> I have to fess up and say this computer is not a Dell computer, but
> since I post here quite a bit I figured some of you brilliant posters
> could possibly help me out.
>
> I have had this computer Intel motherboard D865PERL (genuine Intel
> board) and it has been running great for me. However, I want my
> daughter to be able to run 'The Sims 3' on this PC which requires at
> least a 2.0GHz processor. I thought I was in good shape but for some
> it shows up in Windows (System Properties and CPUID utility) and in
> the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
> 2.8. It is a Northwood P4 (socket 478).
>
> The System BIOS does not really show any setting changes to make.
>
> I bought the CPU several years ago off of Craigslist used so I don't
> know some overclocker guy cooked it or something. I am just grasping
> for straws.
>
> Any ideas?
>
> thanks


Could be SpeedStep slowing it down when it doesn't need ful speed.

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  #3  
Old 10-26-2009, 04:27 AM
Ben Myers
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

vbDavidC wrote:
> Guys,
>
> I have to fess up and say this computer is not a Dell computer, but
> since I post here quite a bit I figured some of you brilliant posters
> could possibly help me out.
>
> I have had this computer Intel motherboard D865PERL (genuine Intel
> board) and it has been running great for me. However, I want my
> daughter to be able to run 'The Sims 3' on this PC which requires at
> least a 2.0GHz processor. I thought I was in good shape but for some
> it shows up in Windows (System Properties and CPUID utility) and in
> the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
> 2.8. It is a Northwood P4 (socket 478).
>
> The System BIOS does not really show any setting changes to make.
>
> I bought the CPU several years ago off of Craigslist used so I don't
> know some overclocker guy cooked it or something. I am just grasping
> for straws.
>
> Any ideas?
>
> thanks


What is the sSpec of the CPU, imprinted on the top? Could it be one of
the Socket 478 CPUs done my Intel for the early desktop replacement type
laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?

Have you updated the BIOS to the latest from Intel? I ran into
something very similar when I put a 3.0GHz P4 with 1MB external cache
into a Precision 370 and the BIOS showed 1.6Ghz speed. Once I updated
the BIOS, the system showed the correct speed both in BIOS and in
Windows... Ben Myers
Reply With Quote
  #4  
Old 10-26-2009, 05:08 AM
vbDavidC
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

On Oct 25, 10:27*pm, Ben Myers <ben_my...@charter.net> wrote:
> vbDavidC wrote:
> > Guys,

>
> > I have to fess up and say this computer is not a Dell computer, but
> > since I post here quite a bit I figured some of you brilliant posters
> > could possibly help me out.

>
> > I have had this computer Intel motherboard D865PERL (genuine Intel
> > board) and it has been running great for me. *However, I want my
> > daughter to be able to run 'The Sims 3' on this PC which requires at
> > least a 2.0GHz processor. *I thought I was in good shape but for some
> > it shows up in Windows (System Properties and CPUID utility) and in
> > the System BIOS at 1.6GHz. *The CPUID utility shows the spec as being
> > 2.8. *It is a Northwood P4 (socket 478).

>
> > The System BIOS does not really show any setting changes to make.

>
> > I bought the CPU several years ago off of Craigslist used so I don't
> > know some overclocker guy cooked it or something. *I am just grasping
> > for straws.

>
> > Any ideas?

>
> > thanks

>
> What is the sSpec of the CPU, imprinted on the top? *Could it be one of
> the Socket 478 CPUs done my Intel for the early desktop replacement type
> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?
>
> Have you updated the BIOS to the latest from Intel? *I ran into
> something very similar when I put a 3.0GHz P4 with 1MB external cache
> into a Precision 370 and the BIOS showed 1.6Ghz speed. *Once I updated
> the BIOS, the system showed the correct speed both in BIOS and in
> Windows... Ben Myers


It is a desktop CPU and shows 2.8 on the chip. I have the latest
BIOS. I am tempted to see if I can try a previous version just to see
what happens.
Reply With Quote
  #5  
Old 10-26-2009, 06:28 AM
Ben Myers
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

vbDavidC wrote:
> On Oct 25, 10:27 pm, Ben Myers <ben_my...@charter.net> wrote:
>> vbDavidC wrote:
>>> Guys,
>>> I have to fess up and say this computer is not a Dell computer, but
>>> since I post here quite a bit I figured some of you brilliant posters
>>> could possibly help me out.
>>> I have had this computer Intel motherboard D865PERL (genuine Intel
>>> board) and it has been running great for me. However, I want my
>>> daughter to be able to run 'The Sims 3' on this PC which requires at
>>> least a 2.0GHz processor. I thought I was in good shape but for some
>>> it shows up in Windows (System Properties and CPUID utility) and in
>>> the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
>>> 2.8. It is a Northwood P4 (socket 478).
>>> The System BIOS does not really show any setting changes to make.
>>> I bought the CPU several years ago off of Craigslist used so I don't
>>> know some overclocker guy cooked it or something. I am just grasping
>>> for straws.
>>> Any ideas?
>>> thanks

>> What is the sSpec of the CPU, imprinted on the top? Could it be one of
>> the Socket 478 CPUs done my Intel for the early desktop replacement type
>> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?
>>
>> Have you updated the BIOS to the latest from Intel? I ran into
>> something very similar when I put a 3.0GHz P4 with 1MB external cache
>> into a Precision 370 and the BIOS showed 1.6Ghz speed. Once I updated
>> the BIOS, the system showed the correct speed both in BIOS and in
>> Windows... Ben Myers

>
> It is a desktop CPU and shows 2.8 on the chip. I have the latest
> BIOS. I am tempted to see if I can try a previous version just to see
> what happens.


Just to verify that this is a desktop CPU, what is the the sSpec? The
sSpec is printed on the top of the CPU and looks something like SL4KX.
Once you have the sSpec, just put it into Google to get the CPU
specifications.

Socket 478 CPUs that look just like the desktop ones were cranked out
for the desktop replacement. if somehow you got one of those, that
would explain why the CPU is running at 1.6Ghz. I have several of
these, pulled from dead laptops, and they behave EXACTLY this way when
in a desktop board. In a laptop motherboard, there is a circuit that
runs from the AC adapter power supply electronics to one of the CPU
pins, telling it to run at maximum speed when running with a power
supply, or 1.6 when on battery... Ben
Reply With Quote
  #6  
Old 10-26-2009, 10:05 PM
vbDavidC
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

On Oct 26, 12:28*am, Ben Myers <ben_my...@charter.net> wrote:
> vbDavidC wrote:
> > On Oct 25, 10:27 pm, Ben Myers <ben_my...@charter.net> wrote:
> >> vbDavidC wrote:
> >>> Guys,
> >>> I have to fess up and say this computer is not a Dell computer, but
> >>> since I post here quite a bit I figured some of you brilliant posters
> >>> could possibly help me out.
> >>> I have had this computer Intel motherboard D865PERL (genuine Intel
> >>> board) and it has been running great for me. *However, I want my
> >>> daughter to be able to run 'The Sims 3' on this PC which requires at
> >>> least a 2.0GHz processor. *I thought I was in good shape but for some
> >>> it shows up in Windows (System Properties and CPUID utility) and in
> >>> the System BIOS at 1.6GHz. *The CPUID utility shows the spec as being
> >>> 2.8. *It is a Northwood P4 (socket 478).
> >>> The System BIOS does not really show any setting changes to make.
> >>> I bought the CPU several years ago off of Craigslist used so I don't
> >>> know some overclocker guy cooked it or something. *I am just grasping
> >>> for straws.
> >>> Any ideas?
> >>> thanks
> >> What is the sSpec of the CPU, imprinted on the top? *Could it be one of
> >> the Socket 478 CPUs done my Intel for the early desktop replacement type
> >> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?

>
> >> Have you updated the BIOS to the latest from Intel? *I ran into
> >> something very similar when I put a 3.0GHz P4 with 1MB external cache
> >> into a Precision 370 and the BIOS showed 1.6Ghz speed. *Once I updated
> >> the BIOS, the system showed the correct speed both in BIOS and in
> >> Windows... Ben Myers

>
> > It is a desktop CPU and shows 2.8 on the chip. *I have the latest
> > BIOS. *I am tempted to see if I can try a previous version just to see
> > what happens.

>
> Just to verify that this is a desktop CPU, what is the the sSpec? *The
> sSpec is printed on the top of the CPU and looks something like SL4KX.
> Once you have the sSpec, just put it into Google to get the CPU
> specifications.
>
> * Socket 478 CPUs that look just like the desktop ones were cranked out
> for the desktop replacement. *if somehow you got one of those, that
> would explain why the CPU is running at 1.6Ghz. *I have several of
> these, pulled from dead laptops, and they behave EXACTLY this way when
> in a desktop board. *In a laptop motherboard, there is a circuit that
> runs from the AC adapter power supply electronics to one of the CPU
> pins, telling it to run at maximum speed when running with a power
> supply, or 1.6 when on battery... Ben


Guys, thanks for the info:

Ben, sorry for not understanding where you were going with your first
post. I did not realize that notebooks shared the same socket with
desktops.

I went to the following website and got the information. Y'all were
correct about it being a mobile CPU.

http://processorfinder.intel.com/det...px?sSpec=SL77N

I thought I could possibly do something with Intel SpeedStep but I
guess it is not available as a download.

Mobile Intel® Pentium® 4 Processors - M 2.80 GHz
sSpec Number: SL77N
CPU Speed: 2.80 GHz
PCG:
Bus Speed: 533 MHz
Bus/Core Ratio: 21
L2 Cache Size: 512 KB
L2 Cache Speed: 2.8 GHz
Package Type: 478 pin
Manufacturing Technology: 0.13 micron
Core Stepping: D1
CPUID String: 0F29
Thermal Design Power: 68.4W
Thermal Specification: 100 DEG C
VID Voltage Range: 1.3V

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  #7  
Old 10-27-2009, 12:10 AM
Ben Myers
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

vbDavidC wrote:
> On Oct 26, 12:28 am, Ben Myers <ben_my...@charter.net> wrote:
>> vbDavidC wrote:
>>> On Oct 25, 10:27 pm, Ben Myers <ben_my...@charter.net> wrote:
>>>> vbDavidC wrote:
>>>>> Guys,
>>>>> I have to fess up and say this computer is not a Dell computer, but
>>>>> since I post here quite a bit I figured some of you brilliant posters
>>>>> could possibly help me out.
>>>>> I have had this computer Intel motherboard D865PERL (genuine Intel
>>>>> board) and it has been running great for me. However, I want my
>>>>> daughter to be able to run 'The Sims 3' on this PC which requires at
>>>>> least a 2.0GHz processor. I thought I was in good shape but for some
>>>>> it shows up in Windows (System Properties and CPUID utility) and in
>>>>> the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
>>>>> 2.8. It is a Northwood P4 (socket 478).
>>>>> The System BIOS does not really show any setting changes to make.
>>>>> I bought the CPU several years ago off of Craigslist used so I don't
>>>>> know some overclocker guy cooked it or something. I am just grasping
>>>>> for straws.
>>>>> Any ideas?
>>>>> thanks
>>>> What is the sSpec of the CPU, imprinted on the top? Could it be one of
>>>> the Socket 478 CPUs done my Intel for the early desktop replacement type
>>>> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?
>>>> Have you updated the BIOS to the latest from Intel? I ran into
>>>> something very similar when I put a 3.0GHz P4 with 1MB external cache
>>>> into a Precision 370 and the BIOS showed 1.6Ghz speed. Once I updated
>>>> the BIOS, the system showed the correct speed both in BIOS and in
>>>> Windows... Ben Myers
>>> It is a desktop CPU and shows 2.8 on the chip. I have the latest
>>> BIOS. I am tempted to see if I can try a previous version just to see
>>> what happens.

>> Just to verify that this is a desktop CPU, what is the the sSpec? The
>> sSpec is printed on the top of the CPU and looks something like SL4KX.
>> Once you have the sSpec, just put it into Google to get the CPU
>> specifications.
>>
>> Socket 478 CPUs that look just like the desktop ones were cranked out
>> for the desktop replacement. if somehow you got one of those, that
>> would explain why the CPU is running at 1.6Ghz. I have several of
>> these, pulled from dead laptops, and they behave EXACTLY this way when
>> in a desktop board. In a laptop motherboard, there is a circuit that
>> runs from the AC adapter power supply electronics to one of the CPU
>> pins, telling it to run at maximum speed when running with a power
>> supply, or 1.6 when on battery... Ben

>
> Guys, thanks for the info:
>
> Ben, sorry for not understanding where you were going with your first
> post. I did not realize that notebooks shared the same socket with
> desktops.
>
> I went to the following website and got the information. Y'all were
> correct about it being a mobile CPU.
>
> http://processorfinder.intel.com/det...px?sSpec=SL77N
>
> I thought I could possibly do something with Intel SpeedStep but I
> guess it is not available as a download.
>
> Mobile Intel® Pentium® 4 Processors - M 2.80 GHz
> sSpec Number: SL77N
> CPU Speed: 2.80 GHz
> PCG:
> Bus Speed: 533 MHz
> Bus/Core Ratio: 21
> L2 Cache Size: 512 KB
> L2 Cache Speed: 2.8 GHz
> Package Type: 478 pin
> Manufacturing Technology: 0.13 micron
> Core Stepping: D1
> CPUID String: 0F29
> Thermal Design Power: 68.4W
> Thermal Specification: 100 DEG C
> VID Voltage Range: 1.3V
>


Not a problem. The laptops with Socket 478 Pentium 4 and Celeron CPUs
looking exactly like the desktop ones did not last too long. Many of
them suffered from thermal problems, because they drew so much wattage,
as in the 68.4w CPU you have. Almost all of them showed up in the
desktop replacements, with the Dell Inspiron 1100/1150/5100/5150/5160
and Latitude 100L being perhaps the most popular.

You might download and try SpeedSwitch, then let us all know the results.

http://www.diefer.de/speedswitchxp/

SpeedSwitch was designed to provide better control over laptop/notebook
CPU speeds, but you never know. It may work with desktops, too.

.... Ben Myers
Reply With Quote
  #8  
Old 10-28-2009, 02:30 AM
vbDavidC
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

On Oct 26, 6:10*pm, Ben Myers <ben_my...@charter.net> wrote:
> vbDavidC wrote:
> > On Oct 26, 12:28 am, Ben Myers <ben_my...@charter.net> wrote:
> >> vbDavidC wrote:
> >>> On Oct 25, 10:27 pm, Ben Myers <ben_my...@charter.net> wrote:
> >>>> vbDavidC wrote:
> >>>>> Guys,
> >>>>> I have to fess up and say this computer is not a Dell computer, but
> >>>>> since I post here quite a bit I figured some of you brilliant posters
> >>>>> could possibly help me out.
> >>>>> I have had this computer Intel motherboard D865PERL (genuine Intel
> >>>>> board) and it has been running great for me. *However, I want my
> >>>>> daughter to be able to run 'The Sims 3' on this PC which requires at
> >>>>> least a 2.0GHz processor. *I thought I was in good shape but for some
> >>>>> it shows up in Windows (System Properties and CPUID utility) and in
> >>>>> the System BIOS at 1.6GHz. *The CPUID utility shows the spec as being
> >>>>> 2.8. *It is a Northwood P4 (socket 478).
> >>>>> The System BIOS does not really show any setting changes to make.
> >>>>> I bought the CPU several years ago off of Craigslist used so I don't
> >>>>> know some overclocker guy cooked it or something. *I am just grasping
> >>>>> for straws.
> >>>>> Any ideas?
> >>>>> thanks
> >>>> What is the sSpec of the CPU, imprinted on the top? *Could it be one of
> >>>> the Socket 478 CPUs done my Intel for the early desktop replacement type
> >>>> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?
> >>>> Have you updated the BIOS to the latest from Intel? *I ran into
> >>>> something very similar when I put a 3.0GHz P4 with 1MB external cache
> >>>> into a Precision 370 and the BIOS showed 1.6Ghz speed. *Once I updated
> >>>> the BIOS, the system showed the correct speed both in BIOS and in
> >>>> Windows... Ben Myers
> >>> It is a desktop CPU and shows 2.8 on the chip. *I have the latest
> >>> BIOS. *I am tempted to see if I can try a previous version just to see
> >>> what happens.
> >> Just to verify that this is a desktop CPU, what is the the sSpec? *The
> >> sSpec is printed on the top of the CPU and looks something like SL4KX.
> >> Once you have the sSpec, just put it into Google to get the CPU
> >> specifications.

>
> >> * Socket 478 CPUs that look just like the desktop ones were cranked out
> >> for the desktop replacement. *if somehow you got one of those, that
> >> would explain why the CPU is running at 1.6Ghz. *I have several of
> >> these, pulled from dead laptops, and they behave EXACTLY this way when
> >> in a desktop board. *In a laptop motherboard, there is a circuit that
> >> runs from the AC adapter power supply electronics to one of the CPU
> >> pins, telling it to run at maximum speed when running with a power
> >> supply, or 1.6 when on battery... Ben

>
> > Guys, thanks for the info:

>
> > Ben, sorry for not understanding where you were going with your first
> > post. *I did not realize that notebooks shared the same socket with
> > desktops.

>
> > I went to the following website and got the information. *Y'all were
> > correct about it being a mobile CPU.

>
> >http://processorfinder.intel.com/det...px?sSpec=SL77N

>
> > I thought I could possibly do something with Intel SpeedStep but I
> > guess it is not available as a download.

>
> > Mobile Intel® Pentium® 4 Processors - M 2.80 GHz
> > sSpec Number: SL77N
> > CPU Speed: 2.80 GHz
> > PCG:
> > Bus Speed: 533 MHz
> > Bus/Core Ratio: 21
> > L2 Cache Size: 512 KB
> > L2 Cache Speed: 2.8 GHz
> > Package Type: 478 pin
> > Manufacturing Technology: 0.13 micron
> > Core Stepping: D1
> > CPUID String: 0F29
> > Thermal Design Power: 68.4W
> > Thermal Specification: 100 DEG C
> > VID Voltage Range: 1.3V

>
> Not a problem. *The laptops with Socket 478 Pentium 4 and Celeron CPUs
> looking exactly like the desktop ones did not last too long. *Many of
> them suffered from thermal problems, because they drew so much wattage,
> as in the 68.4w CPU you have. * *Almost all of them showed up in the
> desktop replacements, with the Dell Inspiron 1100/1150/5100/5150/5160
> and Latitude 100L being perhaps the most popular.
>
> You might download and try SpeedSwitch, then let us all know the results.
>
> http://www.diefer.de/speedswitchxp/
>
> SpeedSwitch was designed to provide better control over laptop/notebook
> CPU speeds, but you never know. *It may work with desktops, too.
>
> ... Ben Myers


Ended up buying a 2.4 desktop P4 off of Craigslist for $20. I
confirmed with seller based on the sSpec number.

It is all good.

Thanks for everyone's posts.

David
Reply With Quote
  #9  
Old 10-28-2009, 05:41 AM
Ben Myers
Guest
 
Posts: n/a
Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz

vbDavidC wrote:
> On Oct 26, 6:10 pm, Ben Myers <ben_my...@charter.net> wrote:
>> vbDavidC wrote:
>>> On Oct 26, 12:28 am, Ben Myers <ben_my...@charter.net> wrote:
>>>> vbDavidC wrote:
>>>>> On Oct 25, 10:27 pm, Ben Myers <ben_my...@charter.net> wrote:
>>>>>> vbDavidC wrote:
>>>>>>> Guys,
>>>>>>> I have to fess up and say this computer is not a Dell computer, but
>>>>>>> since I post here quite a bit I figured some of you brilliant posters
>>>>>>> could possibly help me out.
>>>>>>> I have had this computer Intel motherboard D865PERL (genuine Intel
>>>>>>> board) and it has been running great for me. However, I want my
>>>>>>> daughter to be able to run 'The Sims 3' on this PC which requires at
>>>>>>> least a 2.0GHz processor. I thought I was in good shape but for some
>>>>>>> it shows up in Windows (System Properties and CPUID utility) and in
>>>>>>> the System BIOS at 1.6GHz. The CPUID utility shows the spec as being
>>>>>>> 2.8. It is a Northwood P4 (socket 478).
>>>>>>> The System BIOS does not really show any setting changes to make.
>>>>>>> I bought the CPU several years ago off of Craigslist used so I don't
>>>>>>> know some overclocker guy cooked it or something. I am just grasping
>>>>>>> for straws.
>>>>>>> Any ideas?
>>>>>>> thanks
>>>>>> What is the sSpec of the CPU, imprinted on the top? Could it be one of
>>>>>> the Socket 478 CPUs done my Intel for the early desktop replacement type
>>>>>> laptops, such as the Inspiron 5100/5150 and some Toshibas and HPs?
>>>>>> Have you updated the BIOS to the latest from Intel? I ran into
>>>>>> something very similar when I put a 3.0GHz P4 with 1MB external cache
>>>>>> into a Precision 370 and the BIOS showed 1.6Ghz speed. Once I updated
>>>>>> the BIOS, the system showed the correct speed both in BIOS and in
>>>>>> Windows... Ben Myers
>>>>> It is a desktop CPU and shows 2.8 on the chip. I have the latest
>>>>> BIOS. I am tempted to see if I can try a previous version just to see
>>>>> what happens.
>>>> Just to verify that this is a desktop CPU, what is the the sSpec? The
>>>> sSpec is printed on the top of the CPU and looks something like SL4KX.
>>>> Once you have the sSpec, just put it into Google to get the CPU
>>>> specifications.
>>>> Socket 478 CPUs that look just like the desktop ones were cranked out
>>>> for the desktop replacement. if somehow you got one of those, that
>>>> would explain why the CPU is running at 1.6Ghz. I have several of
>>>> these, pulled from dead laptops, and they behave EXACTLY this way when
>>>> in a desktop board. In a laptop motherboard, there is a circuit that
>>>> runs from the AC adapter power supply electronics to one of the CPU
>>>> pins, telling it to run at maximum speed when running with a power
>>>> supply, or 1.6 when on battery... Ben
>>> Guys, thanks for the info:
>>> Ben, sorry for not understanding where you were going with your first
>>> post. I did not realize that notebooks shared the same socket with
>>> desktops.
>>> I went to the following website and got the information. Y'all were
>>> correct about it being a mobile CPU.
>>> http://processorfinder.intel.com/det...px?sSpec=SL77N
>>> I thought I could possibly do something with Intel SpeedStep but I
>>> guess it is not available as a download.
>>> Mobile Intel® Pentium® 4 Processors - M 2.80 GHz
>>> sSpec Number: SL77N
>>> CPU Speed: 2.80 GHz
>>> PCG:
>>> Bus Speed: 533 MHz
>>> Bus/Core Ratio: 21
>>> L2 Cache Size: 512 KB
>>> L2 Cache Speed: 2.8 GHz
>>> Package Type: 478 pin
>>> Manufacturing Technology: 0.13 micron
>>> Core Stepping: D1
>>> CPUID String: 0F29
>>> Thermal Design Power: 68.4W
>>> Thermal Specification: 100 DEG C
>>> VID Voltage Range: 1.3V

>> Not a problem. The laptops with Socket 478 Pentium 4 and Celeron CPUs
>> looking exactly like the desktop ones did not last too long. Many of
>> them suffered from thermal problems, because they drew so much wattage,
>> as in the 68.4w CPU you have. Almost all of them showed up in the
>> desktop replacements, with the Dell Inspiron 1100/1150/5100/5150/5160
>> and Latitude 100L being perhaps the most popular.
>>
>> You might download and try SpeedSwitch, then let us all know the results.
>>
>> http://www.diefer.de/speedswitchxp/
>>
>> SpeedSwitch was designed to provide better control over laptop/notebook
>> CPU speeds, but you never know. It may work with desktops, too.
>>
>> ... Ben Myers

>
> Ended up buying a 2.4 desktop P4 off of Craigslist for $20. I
> confirmed with seller based on the sSpec number.
>
> It is all good.
>
> Thanks for everyone's posts.
>
> David


Did you ever try SpeedSwitch? ... Ben
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Old 10-29-2009, 09:48 AM
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Default Re: Pentium 4 2.8GHz CPU showing up as 1.6GHz


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