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What sort of CPU can I upgraded to, if at all?

By oniushi ·
I've gone to many different websites, and I haven't been able to find any situations quite like mine, and in similar situations I hear varied conclusions, so I'm hopeful that I'll get a more conclusive answer.

I've never upgraded a CPU in this fashion - going out and buying a specific CPU - I have always just taken what was given to me and stuck it in the computer. So, I'm not quite sure what sort of info is actually valid and relevant and what isn't, so here's what I know about my motherboard and current CPU.

Pentium 4 CPU, 1.80 GHz
478 pin
256kb L2 cache
0.18 micron
1.75V core voltage

Motherboard Name Compaq 5430US
Front Side Bus Properties
Bus Type Intel GTL+
Bus Width 64-bit
Real Clock 100 MHz (QDR)
Effective Clock 400 MHz
Bandwidth 3200 MB/s

Memory Bus Properties
Bus Type DDR SDRAM
Bus Width 64-bit
DRAM:FSB Ratio 4
Real Clock 133 MHz (DDR)
Effective Clock 267 MHz

Chipset Bus Properties
Bus Type Intel Hub Interface
Bus Width 8-bit
Real Clock 67 MHz (QDR)
Effective Clock 267 MHz
Bandwidth 267 MB/s

I realize my computer is a little dated, so I will be understanding if there is nothing I can do, I just don't want to be told I can get something and then it doesn't work.

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All Answers

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A few questions for you.

by OnTheRopes In reply to What sort of CPU can I up ...

Why do you think you need to upgrade the cpu?<br><br>
How much RAM do you have right now?<br><br>
What's your budget?<br><br>
What's your operating system?

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Answers

by oniushi In reply to A few questions for you.

The processor demands have increased progressively over the years, and where this was a great computer five years ago, it just cannot do many functions on newer software at reasonable speed. For example, if you browse the internet too long, on Opera, Firefox, or IE, the computer will freeze unless you quit out of the browser.

I have two 512 RAM cards installed, but it only wants to recognize a total of 512, for some inexplicable reason. The max is 1G.

I'm in college. My budget is my lunch money.

I operate XP only out of necessity.

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Limited Options

by TheChas In reply to What sort of CPU can I up ...

I am reasonably certain that your system is limited to the 400 MHz Front Side bus CPUs. The problem here is that they are now so old as to be very hard to find.

The good news is that that they were made as fast as 2.6 GHz.

Unfortunately, the HP website does not offer a lot of detail about Compaq products. So, I can't tell you what processors this system supports. I would suspect that the 2.1 and 2.2 GHz CPUs should work. But, the BIOS may not recognize some of the newer CPUs.

I do FULLY agree that before you consider a faster CPU that you will get more results by upgrading the RAM. The system specifications say that you can install 2 512MB PC2100 DDR DIMMs. If you have 512MB or less, you will see a big improvement by increasing your RAM.

You might also want to consider performing a full clean reinstall of Windows.

After a number of years of operation, Windows slows down from the bulk of software updates and registry changes that have been made.

Chas

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That's what I thought

by oniushi In reply to Limited Options

I already have two 512 MB RAM cards in, but for some reason or another it only wants to recognize it as two 256's. Given that, the only real option for increasing speed is getting a new CPU, or a whole new computer, right?

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No you have the wrong type of RAM Fitted

by OH Smeg In reply to That's what I thought

If the system is only seeing 256 MEG on a 512 MEG Stick it is because it is HD RAM and you need LD RAM for this M'Board.

Replace the RAM with the Correct Type and it will work considerably faster as currently the RAM is eating Clock Cycles allowing the M'Board to map the RAM this is actually slower than using 265 MEG of the correct RAM. Look here for the right type of RAM to fit.

http://www.kingston.com/

While yo don't need to buy Kingston RAM you do need to buy the type that this says you need.

Col

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What are LD and HD RAM?

by oniushi In reply to No you have the wrong typ ...

I have a multitude of RAM sticks, so I'm sure I may have some LD around here somewhere, but how will I know if they are HD or LD? What exactly is HD or LD RAM, and why would my computer only recognize half of that RAM because of a difference in HD and LD?

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HD = High Density and LD = Low Density

by OH Smeg In reply to What are LD and HD RAM?

With SD RAM HD only has Chips on one side of the RAM Stick for the capacities we are talking about here and LD has chips on both sides of the RAM Stick.

As well as the Type of RAM you need to have Identical RAM ideally as even different manufacturing batches will be different so if you use different RAM you can find that slightly different Timing causes problems with unexpected BSOD's and other shut downs which have no apparent reason.

Col

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Well as this is a Old CPU I don't think that you'll get a new one

by OH Smeg In reply to What sort of CPU can I up ...

But there are plenty of Second Hand ones being sold on places like E Bay and Computer Recyclers.

The 478 Pin P4 went to 3.16 GHZ but this isn't the limiting factor here it's your M'Board which is governed by the Chip Set type and the BIOS which may limit the ability of the faster CPU's to be used.

You'll need to post back with the Chip Set Type which will be something along the lines of 815 835 845 and so on.

The BIOS version is available on the screen during the POST but you may have to turn off the Compaq Splash Screen to see it.

As you know the model number of this Compaq I suggest that you look for the Service Manual for it and in the Parts on HP's Web Site they will tell you the fastest CPU that HP recommend for this M'Board, the Service Manual will tell you how to Flash the BIOS and you can get the newest BIOS from the same Web Site though it may involve a bit of digging around. Go here enter the Model Number of the computer

http://welcome.hp.com/country/us/en/support.html?pageDisplay=support

place a dot in the See Support 7 Trouble Shooting Information for the Service Manual and method of Flashing the BIOS as well as the Parts List for this model Compaq.

If you place a dot in the option listed as Download Software & Drivers you can get the BIOS there.

Col

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