Dothan 2.13Ghz can do 2.7Ghz on stock voltage....

Mephistopheles

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...according to <A HREF="http://babelfish.altavista.com/babelfish/trurl_pagecontent?lp=fr_en&trurl=http://www.x86-secret.com/articles/chipset/sonoma/sonoma-2.htm" target="_new">x86-secret</A>.

Not bad, huh? It's at around 675Mhz FSB at that...
 

slvr_phoenix

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My favorite quote (post-translation of course) is:

<font color=red>Dothan 533 proved to be a true animal of overclocking.</font color=red>

I don't know if the original language meant it to be worded exactly that way, but it works for me.

<pre><b><font color=red>"Build a man a fire and he's warm for the rest of the evening.
Set a man on fire and he's warm for the rest of his life." - Steve Taylor</font color=red></b></pre><p>
 

Crashman

Polypheme
Former Staff
AHA!

915M supports DDR1 in Dual Channel mode at 133 and 166MHz. Now, the CPU at 533 matches dual channel at 133MHz, so if you were to lock it in at a synchronous rate you could overclock the hell out of the bus.

Since the P-M's have an unlocked multiplier you could in theory lock it in at 133/133, drop the multiplier to 13, and increase the bus to 200MHz, giving you DDR400 speed an an 800 bus!

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>
 

Mephistopheles

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Wow, you're right... You could pair DDR400 (underclocked to DDR266, then OCed) for 133/133 operation at DDR266 speeds and 1.73Ghz, and then overclock this system to <b>dual-channel DDR400, 800Mhz and 2.6Ghz core clock</b>.........

Although the x86-secret article mentions that 915M is only stable for clock speeds of up to 190Mhz... which is not quite 800Mhz FSB... Their maximum overclock indicates you could probably run a rig with dual-channel DDR266 at 2.13Ghz and 533Mhz and get this to work as <b>dual-channel DDR333 at 2.67Ghz and 667Mhz FSB....</b> which should be quite impressive nonetheless.

Too bad sonoma still doesn't have 64-bit capability.

In any case, overclockability and the ability to get to the 800Mhz FSB/DDR400/2.6Ghz combo will probably be investigated further by many more people on the net. We're bound not to be the only ones thinking of these possibilities! :smile:

We can't possibly be the only ones thinking of putting <A HREF="http://www.vr-zone.com/?i=1659" target="_new">this</A> desktop board (has PCIe, SATA2, Firewire, DDR1 or DDR2!) together with a sonoma-platform dothan and a heavy-duty cooler (if possible) like <A HREF="http://www.zalmanusa.com/usa/product/view.asp?idx=141&code=005009" target="_new">this</A> for maximum overclockability, can we? And keep in mind x86-secret has used only stock voltage. I wonder what this new stepping is truly capable of......... :evil: <P ID="edit"><FONT SIZE=-1><EM>Edited by Mephistopheles on 01/21/05 01:08 AM.</EM></FONT></P>
 

Crashman

Polypheme
Former Staff
I'm willing to bet that a desktop version could be made to clock the chipset higher. Similar to the two desktop platforms we already have for the P-M on the old chipset.

I'll be interested in reviewing that NEW board!

<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>
 

Mephistopheles

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quote from THG's news: <A HREF="http://www.tomshardware.com/hardnews/20050120_182657.html" target="_new">here</A>

While it is certainly too early to suggest that the potential of Intel's current desktop processor architecture could be exhausted in terms of power consumption, the company already announced that it will me moving its less power hungry Pentium-M will be moving towards the desktop.
Oh, and that quote also shows some really interesting data on AMD's dual-core processors. They won't consume more power than current processors! Quite impressive. There's even a dual-core processor at 1.6Ghz that consumes no more than 30W!!!

<P ID="edit"><FONT SIZE=-1><EM>Edited by Mephistopheles on 01/21/05 10:51 AM.</EM></FONT></P>