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CPU Upgrade

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Name: briancw
Date: December 15, 2005 at 00:21:39 Pacific
OS: Windows 98
CPU/Ram: Intel Celeron 800MHz - 12
Comment:

Hello, it is my first time posting here. Looking to get a little help on the following situation:

I have an HP Pavilion XG843 PC. It has an Intel Celeron 800MHz Processor. From googling, I determined that the motherboard is a TriGem COGNAC. In The manual I found for this motherboard, it states that the Intel 810 chipset is used, and that it supports 66MHz and 100MHz FSB speeds. The CPU Socket type is 370. I am assuming that being 800MHz, the FSB is 100MHz. Please correct anything if I am mistaken. From another google search, I found that the fastest PPGA Celeron is a 533. So I am assuming my 800MHz is FCPGA, or FCPGA 2, I do not know which. I want to know what would be the fastest processor that I could put in this motherboard to replace my current Celeron. I have looked for Socket 370 processors, and found some Celeron 1.0GHz up to 1.3GHz. But they are FCPGA 2 and I don't know if my current processor is FCPGA or FCPGA 2, so I don't know if these 1.0GHz-1.3GHz processors are compatible with my motherboard.

Thanks,
Brian



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Response Number 1
Name: jam
Date: December 15, 2005 at 05:17:20 Pacific
Reply:

800MHz can be either 8 x 100MHz or 12 x 66MHz. To check your settings & maybe get a little more info about your CPU, board & RAM, download CPUZ 1.31, unzip it & click CPUZ.exe:

http://www.cpuid.org/cpuz.php#download

This space for rent


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Response Number 2
Name: jackbomb
Date: December 15, 2005 at 20:15:42 Pacific
Reply:

Your board will take up to a 1.1GHz "Coppermine" Celeron. Just make sure that when you buy the chip it's NOT a Tualatin Celeron. These "Tualatins" are the FCPGA-2 chips that aren't compatible with your motherboard and chipset.

You want a Coppermine.
If you're buying the chip online, look for the following specifications. These will tell you whether it's a Coppermine or Tualatin.

Coppermine Celerons have 128K of L2 cache, while Tualatin Celerons have 256KB.

Coppermines run at 1.7V, while Tualatins run at 1.45V.

If the website shows a photo of the chip:
A Coppermine will be green, with a black square on it (the core). A Tualatin will be green with a bigger metal square. (called an integrated heat spreader, or IHS)

A Coppermine uses the FC-PGA form factor, a Tualatin uses the newer FC-PGA2.

A Coppermine is 0.18 mics, while the Tualatin is 0.13 mics.

Most Tualatins run at 1.1ghz-1.4ghz, while most coppermines run at 1ghz and below. However, there are 1.1ghz coppermines, and there are 1.0ghz Tualatins, so pay attention to the details I've listed above.

Hope this helps :)


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Response Number 3
Name: briancw
Date: December 15, 2005 at 20:42:52 Pacific
Reply:

Thanks for your information. Very useful.


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Response Number 4
Name: Josh C.
Date: December 16, 2005 at 08:08:15 Pacific
Reply:

1.1ghz Celeron Coppermines are rare, though. if you can find it, go for it, but if not a 1.0 is much more common.

also, given that it is only 128mb of RAM, an upgrade of that is in order, IMHO. open the system and see if it has a memory slot that is empty. if it does, just buy another 128mb PC100 memory stick and add it (or two if it has 2 memory slots free). a memory upgrade would be highly benificial.

The things that come to those that wait may be the things left behind by those who got there first.


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Response Number 5
Name: GX1 Man
Date: December 17, 2005 at 02:59:41 Pacific
Reply:

The cost to improvement in performance ratio is non-existent. You will spend more than you will see improvemnt going from 800 to 1000 Mhz on a COmpaq. If you need faster, get a newer rig.


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Response Number 6
Name: Josh C.
Date: December 17, 2005 at 15:41:40 Pacific
Reply:

untrue. you are talking maybe 60 or 70 dollars, if done through eBay, for memory and CPU upgrades. definitely cheaper then a new system :-)

The things that come to those that wait may be the things left behind by those who got there first.


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Response Number 7
Name: GX1 Man
Date: December 17, 2005 at 17:01:19 Pacific
Reply:

Not untrue. Going from 800 to 1000 on a Celeron is not worth the expense. Do you see that as some sort of multimedia potential machine? I don't believe the difference would even be perceptible. $60-70 on eBay would get you a whole PIII 500+ machine of that era, which would outrun the Celeron even at the higher clock speed because of the difference in cache. A new system would cost much more for sure, but that was never the question. And if the "upgrade" fails for whatever reason, he is just out the cash. Bad advice.


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Response Number 8
Name: repo man
Date: December 17, 2005 at 19:41:26 Pacific
Reply:

If you were going to do an upgrade, your best bet would be to get an FCPGA to FCPGA2 adapter , then buy a 1200 Tualeron. Or whatever you can get the best price on, but 1200 is a nice step up, and the price increases sharply as you get closer to the 1.4. I used one of these adapters on an Epox AT motherboard to run a 1.3 Tualeron, and it works great. The POST screen calls it a 533, but CPUZ recognizes it as a 1.3. A few hundred MHz, plus twice the level 2 memory cache would make a noticeable improvement.


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Response Number 9
Name: GX1 Man
Date: December 17, 2005 at 20:10:55 Pacific
Reply:

And what would that cost do you think?


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Response Number 10
Name: Josh C.
Date: December 17, 2005 at 20:23:38 Pacific
Reply:

the T. core pentium 3s are very nice CPUs, and still worth a fair amount. $150-$200 for a 1.2/1.3 CPU and adapter. very significant performance boost. and in some benchmark tests a 1.4ghz T. core P3 outperformed a 1.8ghz P4! actually that was great idea, repo man, i didnt think of that!

The things that come to those that wait may be the things left behind by those who got there first.


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Response Number 11
Name: repo man
Date: December 17, 2005 at 20:41:45 Pacific
Reply:

The adapter is about $10.00. I know of one computer forum where a member has a 1.2 GHz Tualeron for sale for $25.00 shipped. I'd link to it, but you have to have 100 posts there to access the classifieds. I paid about the same for the 1.3 I have.

Similar deals can be found, but you have to shop for them. $35.00 to go from an 800 to 1200 is worthwhile, especially with the added L2 cache. Another 128 megs of memory, and you have a decent machine. Nothing earth shattering, but decent.


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Response Number 12
Name: Josh C.
Date: December 18, 2005 at 07:13:12 Pacific
Reply:

agreed

The things that come to those that wait may be the things left behind by those who got there first.


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