Question about Dell Pentium 4, 2.26 GHz (1W391)

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Change out my processor chip

Pentium 4 1.8 gw 500se (old) would like to upgrade it to something around
2.66 - 3.0 pentium 4. existing system has 1g ram and 120gb hard drive, dvd/cd rw drives and an upgraded 128mb vetro video card -pci.
what is needed?


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Re: change out my processor chip

"any brand"?! hmm have you ever worked with a Dell! if any brand fits in the thing then i wish you more than goodluck!

Posted on Apr 14, 2008

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Re: change out my processor chip

Hi!good pm...hope this will help...

you need to buy a new motherboard (any brand) compatible with the 2.66 - 3.0 pentium 4 processor...


Posted on Feb 01, 2008

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Hello again.I have an old home pc and I want to upgrade the cpu processor without changing motherboard.Wich is my best options?I want to know if I can to upgrade to PENTIUM 4 3.00 GHz.Also I want to put...

If new processor supports your old motherboard then you will upgrade system with your old motherboard.

If its not supported to new mother board then you have to buy new motherboard to upgrade your system.

Happy to help you.

Apr 30, 2010 | Intel CPU

1 Answer

I replaced my pentium 4 2.53 processor applied processor compound , then my heatsync fan. Now an alrm sounds while booting up and it stops booting. what are the possible issues. I upgraded my power supply...

Start by taking out the new power supply and putting in the old one and rebooting the system. Recheck the specs on that processor and make sure they have the same Die number on them. Just because they say P4 does not mean they will work in all systems. There is a die number printed on the smooth face of the chip near the bottom. Hopefully, it is just the power supply the computer is having the issue with. Always work backwards when there is a problem and take off new stuff first before changing settings. Good luck

Oct 16, 2009 | Computer Processors

2 Answers

Upgrade from Pentium 3 to Pentium 4

you will need a new p4 motherboard and processor+(heatsink fan).your memory might still work,depends if its the same or not.
make sure your video and sound card will work with new board,or get a board with onboard sound and video.

Mar 04, 2009 | Dell 2.8 GHz Second Processor for...

2 Answers

Upgrading IBM ThinkPad T20 Intel Pentium III to Intel Pentium 4

Patrick, I'm glad to see your enthusiasm to explore and expand on your computer knowledge. Unfortunately I have to be the first to let you know that in this case your ideas on upgrading your systems by simply changing the processors just won't work.

First of all a Pentium 4 (or Centrino, which is the mobile version) literally will not fit into any of the systems you mention. All CPUs are made in specific form factors to fit into different sockets. Most Pentium 4 processors were made for Socket 478 or 478B sockets, which mean they have 478 pins on a chip roughly an inch and a quarter square. The high number of pins allow more signals and data to be passed simultaneously to the motherboard, one way the speed of the CPU operations were increased. Pentium III and older Celerons were mainly socket 370 chips on a chip almost an inch and three quarters square. The lesser number of pins were aligned in six concentric rows with a blank central square. Pentium II and even older Celerons used Socket 7 and any of a half dozen other schemes and were often put on daughtercards to make them somewhat interchangeable. It would be like trying to put a square peg in a round hole.

They also make other forms, like socket 775, 939, and the newest AM2, all of which are pin-incompatible. In certain situations there are adapters that will let you put a newer CPU into an older socket but the specific upgrades you mention have no equivalent.

There are other engineering factors to be considered as well. Not all CPUs run on the same voltage. Many desktop motherboards have been designed that are adjustable either by selecting the operating speed with jumpers (old style) or by electrically sensing the optimum speed of the CPU. Then there are the memory and bus speeds. The CPU has to be able to interact with the memory so they must share a signal speed. This is the Front Side Bus. Older Pentium 4 CPUs were designed to use PC-133 memory but more powerful CPUs. certainly any in the 2.0GHz and up range, are designed for Double Data Rate (DDR), which is PC-2100 up to PC-3200. The pin configuration of the memory is different also to reflect and optimize the faster design. Of course there is now a DDR2 design and most recently DDR3. Core-Duos and Quads use the DDR2 and DDR3 type memory.

Another factor is heat. Faster CPUs run hotter. the system must be designed to accomodate and release the greater amount of heat generated, thus there are larger heatsinks and fans and more vent holes. Otherwise the CPU would start acting erratically and eventually burn out.

Things would be slightly different if you were talking AMD chips, as the socket 472 was much more versitile and could handle a wider range of CPUs and speed, from Duron to Sempron to Athlon XP, all because of the way AMD designed their chips. Of course, they too had to upgrade to surpass physical limitations, leading to the socket 754 and other newer designs.

Desktop machines are much more flexible to upgrade because of the space available and the fact they are designed with expansion slots. If you need a higher video card to run games, or more com ports to run extra printers or whatever, you can generally place a card in a slot to add the functionality. If you reach the design limits of a motherboard you can usually swap it out. Not so with laptops.

Laptops in particular are hard to upgrade because everything is integrated into or designed to plug into the motherboard, which has to fit the case properly like a jigsaw puzzle. This is not to say it is impossible to upgrade somewhat, but usually for laptops it means putting a faster CPU of the same form. Here is an example that is specifically for the IBM T40 laptop:

No, if you want to upgrade to Pentium 4 or Core Duo or Core Quad speed and performance, you will have to go out and buy a laptop.

Please do not let this discourage your enthusiasm. You share the spirit of the old school to push the limits that has made all of these computer evolutions possible. Consider formal training to round out your knowledge and to expose you to more within the field.

Dec 31, 2008 | Intel (RK80532PG0881M) Pentium 4, 3 GHz...

1 Answer

Compaq presario S R 1103 W M

what does it have currently? i know that motherboard can handle a 478 pin pentium 4 chips. they can be either willamette or northwood processors. i believe they made those lines up to at least 2.8 ghz. just go to and look up pentium 4 and either northwood or willamette and you should find something you like.

if you need help installing, here is a helpful site provided by hp.

May 27, 2008 | Compaq Computer Processors

5 Answers

Upgrade from Pentium 3 to Pentium 4

what socket is the Pentium 3? Socket A. The sockets have to be compatible for example you can't upgrade a Dual Core for a Core 2 Duo because although the chipsets look the same the motherboard may not support the new instruction set. I had this problem recently as i wanted to upgrade my Intel Celeron D 3.02ghz to the Pentium Dual Core 1.8ghz and although the chips were identical and fitted perfectly in my mobo, the actual mobo i was using (foxconn) wouldnt work with it forcing me to buy an ASRock mobo and replace the entire system.

May 27, 2008 | Dell 2.8 GHz Second Processor for...

2 Answers


To upgrade from pentium 3 to P4 you have to change alot of the hardware.

You need a NEW P4 Socket mPGA 475 Motherboard.
New 478 PIN Processor.

You can use the old CD rom and Hard drive and any other PCI card but You Need the Mentioned Hardware to Upgarde.

Jan 08, 2008 | Intel (P42000400512SK478) Pentium 4, 2 GHz...

1 Answer


Well mishel, its a little yes, a little no. yes you can upgrade your processor, but not all the way to 4.3ghz, with whats in your computer now, the only processors that will fit are of socket 478, its one of Intel's older chips. There faster chips to date clock in around 3.0-3.4, and that's with four cores, if you need a faster chip, you need to get another motherboard, and with your case that can be a problem. The best processor I could find was 3.0ghz and under $100 on Good Luck

Dec 11, 2007 | Dell Pentium 4, 2.26 GHz (1W391)

2 Answers

Upgrade from 600 MHz to 1 GhZ

According to this review, you can upgrade as far as a 2 GHz P4-M at least;,1895,669029,00.asp Other than that, i have been unable to find the details of your motherboard - if you can post the make and model (should be printed on it somewhere) then I would hope to find a more complete list of compatible and incompatible processors. Gateway themselves no longer offer online info or support for this model, but the motherboard details should enable me to find out what you need to know. Waiting for your post :)

Nov 04, 2006 | Gateway Pentium III , 600 MHz (1515824)...

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