Highest Coppermine core Speed

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Cristi
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PostPosted: Wed Aug 30, 2006 3:00 pm    Post subject: Highest Coppermine core Speed Reply with quote

I want to know what is the highest overclock for a Coppermine core(over 1.1GHz)
I reached 1.3GHz with a 1GHz Pentium III
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viili



Joined: 07 Jun 2005
Posts: 64
Location: Finland

PostPosted: Sun Sep 03, 2006 11:29 am    Post subject: Reply with quote

somebody (Wink) reached almost 1.3GHz with a P3 600MHZ Surprised
http://valid.x86-secret.com/show_oc.php?id=66984
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Andy
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PostPosted: Sun Sep 03, 2006 12:01 pm    Post subject: Highest Coppermine core Speed Reply with quote

Whell thats a wery high FSB speed for a Pentium III, what motheboard did he use, I didin't know that i815E could reach a FSB of 200MHz+.
Any link with pcitures of the rig or how he build it?
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Root



Joined: 11 Mar 2006
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PostPosted: Sun Sep 03, 2006 3:41 pm    Post subject: Reply with quote

I found info about overclocking P!!! up to 180Mhz FSB on some japanese sites on ABit BX133-RAID MoBo... But forget links Sad
Quote:
I didin't know that i815E could reach a FSB of 200MHz+

AFAIK, i815 doesn't work on FSB >166Mhz....

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viili



Joined: 07 Jun 2005
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PostPosted: Sun Sep 03, 2006 3:59 pm    Post subject: Reply with quote

Root wrote:
I found info about overclocking P!!! up to 180Mhz FSB on some japanese sites on ABit BX133-RAID MoBo... But forget links Sad
Quote:
I didin't know that i815E could reach a FSB of 200MHz+

AFAIK, i815 doesn't work on FSB >166Mhz....


815 b-step does Smile tho pci speed is a killer, more than 50MHz, needs good addon cards to survive. also i have a bx133 that i've run at 200mhz.

the overclock above is made using Abit ST6 with volt mods

very few have reached this kind of bus speeds because you need excellent ram also.
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Andy
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PostPosted: Sun Sep 03, 2006 4:04 pm    Post subject: Highest Coppermine core Speed Reply with quote

Whell I know that the BX could go all the way to 200MHz FSB but i815E.... but we have proof the CPU-Z screenshot that was validated.
On my MB I recahed 175MHz FSB with a 1GHz Pentium III (133FSB) but that was all at 176FSB it wount POST, even at 1.96V
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Root



Joined: 11 Mar 2006
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PostPosted: Wed Sep 06, 2006 3:51 pm    Post subject: Reply with quote

BX @188Mhz FSB and this is not the absolute record Smile :
http://www.geocities.co.jp/SiliconValley-Bay/8103/bx131.html
Overclocking statistics:
http://www.overclockers.ru/cpubase/
Quote:
815 b-step does

but BX will be faster even BX is used on slower FSB, than 815 Smile
Quote:
Abit ST6

Good MoBo, but ST6E-RAID will be better Smile
Quote:
On my MB I recahed 175MHz FSB with a 1GHz Pentium III (133FSB)

because limit for coppermine frequency is near 1200-1400Mhz Sad due to old 0.18 tech.

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Last edited by Root on Thu Sep 07, 2006 4:08 pm; edited 1 time in total
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CPUShack



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PostPosted: Wed Sep 06, 2006 4:13 pm    Post subject: Reply with quote

1400MHz PIII is bloody fast though

anyone know how the Tualitins did?

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Root



Joined: 11 Mar 2006
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PostPosted: Thu Sep 07, 2006 4:12 pm    Post subject: Reply with quote

Quote:
anyone know how the Tualitins did?

a) P!!!-S aka server version of Tualatins has large 512KB L2 cache with minimal latencies
b) one can overclock tualatins to ~1.6-1.7Ghz (0.13 tech in action Smile). At these frequencies they are real beast cpus Smile
c) short (in comparison with P4) pipeline

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CPUShack



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PostPosted: Thu Sep 07, 2006 5:30 pm    Post subject: Reply with quote

yah I have seen 1.2GHz PIII-S beat P4 2GHz, so I imagine a PIII-S at 1.7GHz would be a very fast system.
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Root



Joined: 11 Mar 2006
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PostPosted: Fri Sep 08, 2006 4:06 pm    Post subject: Reply with quote

I use dual P!!!-S Wink They can work in SMP Smile
My dream is overclock them on ApolloPro266-based (or rarer Micron Copperhead MT8LLN21PADF) MoBo to FSBs above 166 and beat legendary BX perfomance Smile
There is only one chipset like BX - 760MPX, but it is designed only for Athlons Sad

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