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AMD Processor Upgrade Info Sought!

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Have a friend w/ an HP Pavilion XL848 desktop w/ Win ME installed), and wants to upgrade the AMD Athlon processor beyond the 800 Mhz. And I currently have an HP headache from just trying to find the system info alone on their "very helpful & user friendly" site. Anyone w/ any good info on the choices that are avail. and will work in the current config? I found the AMD site & Asus doesn't even list the OEM board. (Asus A7V-VM)
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System Info:Worldwide introduction date
28-Mar-2001: U.S. and Canada (includes Quebec)

HP Pavilion XL848 Desktop (Wide Midtower)
Model number
P4046A

Base processor and speed
AMD Athlon 800 MHz Processor

Socket A
200 MHz FSB (Front Side Bus)
Chipset
Via KT 133

Motherboard manufacturer
ASUS

Any other system info needed can be found here;

http://h20015.www2.hp.com/en/document.jhtml?lc=en&docName=bph06467#P5_168

Thank's to all who answer. Points will be awarded based on completeness of answer and helpfullness.

cglrcng

10 replies

by hberkhoff

Take a look at the following url from HP (url made with tinyurl.com,which re-directs to HP)

http://tinyurl.com/9sm9

Here you can see what processors can be used on the ASUS A7V-VM motherboard.

But notice this:Your Front Side Bus (FSB) is now set on 100MHz (for the bus it's 200MHz actually). When you want a faster processor and need to set this to 133MHz (the FSB will then be 266MHz) your memory will give problems. The default memory is probably usable till 100MHz. So you need to upgrade also your memory. But please check and confirm this before the actual upgrade. To change the FSB between 100MHz & 133MHz you probably need to change a jumper on the motherboard.

The maximum processor-speed are mentioned in the url so I think you have all information needed.

by cglrcng9

We'll digest this info together. TY. I did finally get the answer from HP of Maximum is 1.4 GHz Athlon, but of course they didn't direct me anywhere except an HP rep., and told me there was no motherboard manual info avail. to set the jumpers of course. Directed me to the CD player manuals.

This my friends is why I build rather than suggest buying OEM systems. I can find anything I need in my Mobo manual.

Thank you all again!

by cg it

As the first answer pointed out, the FSB is changable from 200mhz FSB [100mhz X2]that AMD Duron's run at or 266mhz FSB [133X2} that AMD Athlon's run at. The max "Athlon" processor speed that the board mfg says can be put on the board [with no BIOS upgrade/flash] is 1.4 ghz. The board takes 168 pin PC-133 SDrams up to 1 GB [512 MB modules X2]. HOWEVER, Windows 9X [including ME] has a known bug [with no fix] in addressing memory at or above 512 MB. So that limits how much memory you can put in your system [unless you go to W2K or XP which doesn't have the bug] and is NOT 184 pin DDR. If your thinking of upgrading why not look at Newegg.com and price out new boards and AMD XP processors? The AMD XP 2100 [1.73 GHZ] goes for around $90.00 and Asus/Soyo/MSI/Abit DDR memory boards run around $100. DDR PC 2100 memory 512GB is running around $65.00 each. For about $300.00 or less if you shop around and look at pricewatch.com for comparrisons, you can have a computer that is substantially faster than what you have now.

by 231tektek

Take a look at Tigerdirect.com and you'll see the
motherboard/cpu combos and the barebones systems.
The prices should be within your budget. You could replace the motherboard/cpu or take the components out of the HP and put them in a barebones system.

by akula

The regular KT133 chipset won't do a 266MHz bus CPU. The KT133A will, but not the basic one (I don't think you have the KT133A- Asus called that board the K7V-133). It is still possible to get 200MHz bus AMD CPUs. A quick check of my usual vendor, www.spartantech.com, shows up to 1.4GHz Athlons available in that bus. You could put in a 266MHz bus CPU, but you will need to unlock the multiplier in order to get full speed out of the processor (not for the faint of heart). Whatver you do, tryto flash the BIOS with the latest version before installing the new CPU; it may be required to support it.

Your buddy can get about a 4-500 MHz boost with a new CPU. More than that, you are looking at a motherboard-level upgrade, where the costsrise significantly.

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