Need help overclocking AMD Athlon XP

December 22, 2010 at 21:29:56
Specs: Windows XP Pro SP3, AMD Athlon XP
I need assistance overclocking my AMD Athlon XP 1244 MHz (6.25x199).
Here is all of the info I believe is even remotely relevant in case you guys need it. I know asking for a step by step guide would be asking too much, but I would like to know if oc'ing my processor would be worth it. How much of an increase can I get? It is in a special computer case with a fan on each side. Is 2 GHz possible? Where do I start if overclocking is worth it?

When I go to the bios under Cpu settings, there is a line that says "Computer speed" and 1250MHz is selected. 2000+ is also an option, but when I select that, it only makes it to the xp loading screen.

All of this information is gathered off of AIDA32.

A5 Stepping
Typical Power 41.3 -64.3 W (depending on clock speed)
Maximum Power 46.1 - 72W (depending on clock speed)

Motherboard Name: PCChips M810LR
Motherboard Chipset: SiS730S

FSB Properties-
Bus Width: 64-Bit
Real Clock: 100 MHz (DDR)
Effective Clock: 199 MHz
Bandwidth: 1592 MB/s

80Gig HD
1x256mb sdram
1x512mb sdram

Bios type: AMI
Bios Manufacturer's Company Name: American Megatrends

Windows XP Pro SP3

If you guys need any more info, let me know!

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December 23, 2010 at 00:40:18
What revision is the Motherboard ??

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December 23, 2010 at 05:14:51
Release 05/07/2002 S. Hopefully that helps.

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December 23, 2010 at 06:34:05
Your understanding of the CPU clock settings is incorrect. Always work with the "Real Clock", not the "Effective Clock". There is no such thing as a 6.25 multipler - multipliers are either half numbers or whole numbers - so your CPU is currently clocked at 12.5 x 100MHz. However, the AXP 2000+ is supposed to run at 12.5 x 133MHz (1667MHz), so it's actually underclocked by over 400MHz. It's very possible that your board doesn't officially support Athlon XP CPUs so you may not even get it run at it's default speed, let alone overclock it.

Find your board info thru the link supplied by X86 & see which FSB speeds are supported. Remember that FSB is twice the frequency, so if you see 200MHz FSB, the "real clock" is 100MHz. 2666MHz FSB = 133MHz real clock.

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Related Solutions

December 23, 2010 at 10:13:38
There are at least 7 revisions of the board, it is on a sticker on the motherboard in the bottom left hand corner, if you are looking with the PCI slots at the bottom horizontlly..

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December 23, 2010 at 10:32:45
There is a sticker in the bottom left (pci slot area) of the motherboard that says 4. Is this the revision number you guys are looking for?

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December 23, 2010 at 11:10:29
"Is this the revision number you guys are looking for?"

Here's where to look:

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December 23, 2010 at 14:17:08
Apologies I was wrong, the revision is next to the model number see:

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