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Prescott Socket 478?

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December 6, 2002 1:03:29 PM

I read <A HREF="http://www.xbitlabs.com/news/story.html?id=1039120151" target="_new">this article</A> and here is an excerpt that shows that the Prescott will indeed be socket 478 as it mentions a chipset that supports both Northwood and Prescott - extends the life of socket 478:

Quote:
<i><b>anton</b> writes</i>:

RS300: Definitely a more interesting product for hardware enthusiasts than the previous one. It will support the Pentium 4 Northwood and Prescott processors with the Hyper-Threading technology and 800MHz Quad Pumped Bus.

<i>It's your world kid!!!</i>

More about : prescott socket 478

December 6, 2002 1:13:38 PM

You forgot a very cool part!
Quote:
Besides, it will allow dual-channel memory configurations using PC2700 or DDR400 modules.


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December 6, 2002 1:40:03 PM

Indeed. These ATi chipsets look very promising. Following the nForce model but with a Pentium flavor - pure genius!

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December 6, 2002 2:01:19 PM

Well maybe not genius, but pure obvious market anyway. :) 

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December 6, 2002 7:06:08 PM

Yes but current Granite Bay already has Dual DDR. Prescott NEEDS DDR400 Dual Channeled or it'd die with 6.4GB/sec of bandwidth waiting there.
So really, it's nothing new now that Dual DDR is on P4s.
What is interesting however is the Canterwood chipset's memory optimizations, coupled with DDR400. It should provide a significant boost.

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December 6, 2002 7:11:43 PM

Prescott will be pin-compatible with the current Northwoods, however, there is the problem of the bus. This may be solved with a bios update (similar to when going from a Willamette to a Northwood) though so only time will tell.

"We are Microsoft, resistance is futile." - Bill Gates, 2015.
December 6, 2002 7:38:25 PM

Prescott <i>needs</i> DC DDR400 like the P4 <i>needs</i>DDR at all. Rambus has solutions that sound just as good (if not better) than DC DDR or even DDRII. I might not like the company much, but they do have some interesting technology.

Besides, just how many people out there right now do you think have P4 systems with a completely sated memory bandwidth? Most consumers simply don't care (or worse, know enough <i>to</i> care). Intel could market a 10GHz P5 that has a bandwidth of 40GB/s and people would still happily buy one with a motherboard and memory solution that only provides 10GB/s of bandwidth and makes it run as slow as a 3GHz P4. That's just the way uneducated purchasing works. **LOL**

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December 6, 2002 10:21:49 PM

Wow, nice, i've been waiting all the time for some prescott info, but are there rumors/facts/press reports wether the Prescott will or will not support PC1066 RDRAM?
Since I bought this a while ago with the intention of buying a P4, then I postponed my sale to wait for the HT p4, and I've postponed again for the Prescott, but I'd really be annoyed to know that the Prescott wouldnt support RDRAM anymore, meaning i'd have thrown €309,- out the window.

Tech junkie.
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December 7, 2002 7:15:53 AM

Intel is better in this respect than people give them credit for: I wouldn't be surprised if they had Prescotts in both 800 bus and 533 bus, the 533 bus version being an "upgrade processor" for current P4 platforms.

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December 7, 2002 11:29:46 AM

Wow, nice, but you can still put the current RDRAM (32 bits by the way, i dunno if that would matter) in the 800MHz FSB, but it just wouldnt use it, am I right? because that gives upgrade possibilities to faster (yellowstone) ram without having to buy a whole new processor.

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December 7, 2002 5:06:35 PM

32-bit RDRAM is called RIMM4200 right now (RIMM3200 is a standard that I haven't seen emerge) and only fits 2 motherboards, one from Asus (P4T-533) and one from Epox (can't remember model). I haven't seen any 800MHz bus compatable RDRAM boards anyway, not even rumors of them. If you want to upgrade a "533" bus system with a Prescott, you'll have to rely on Intel to produce a 533 bus version of the Prescott. In fact, given Intel's history, any Celeron version of the Prescott will probably use the slower bus speed.

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December 7, 2002 6:06:57 PM

yeah, i have the two rimm 4200 modules sitting here, but from what I understand, these will not be accepted by the 800 mhz prescott processor?
or will they be accepted, but not running at 800 mhz fsb?
(sorry if i'm a bit slow)

Tech junkie.
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December 7, 2002 6:09:16 PM

DO YOU HERE THE WORDS COMMING OUT OF MY MOUTH? NO BOARD THAT SUPPORTS YOUR MEMORY WILL SUPPORT AN 800 BUS SPEED, SO YOUR QUESTION HAS NO BEARING ON REALITY!

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December 7, 2002 6:20:15 PM

I don't think you can run RIMM4200s in Dual Channel Prescott. You will want Intel making a Prescott compatible to RDRAM 4200 motherboards.
If you had PC1066 16-bit modules, then maybe your chances are a bit better.
But again it all depends on how the Prescott motherboard requirements will be, and how compatible is it with current chipsets.

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December 7, 2002 6:27:37 PM

Kay, thanks, i'll see when the time comes.

Tech junkie.
December 7, 2002 6:29:06 PM

I'm not talking about right NOW, I'm talking about wether a board supporting 800 mhz fsb with my memory will still support 553 mhz memory, don't get all worked up.

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December 7, 2002 7:00:16 PM

Back that ass up! Seriously, did I not mention a few post back that there isn't any word of a CHIPSET comming out that will support 800FSB and RDRAM?

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December 7, 2002 7:09:44 PM

just that you don't know of one, who knows what time'll give us. anyway, question has been answered, no hard feelings, eh? =)

edit : and I told you I'm slow

Tech junkie.<P ID="edit"><FONT SIZE=-1><EM>Edited by Piro on 12/07/02 04:10 PM.</EM></FONT></P>
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December 7, 2002 7:59:28 PM

LOL, No Problem

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December 9, 2002 1:27:39 AM

DRR 400 have a good chance to not be valide with canterwood/springdale.They are doing the same with willimete put the next socket/FSB on the older chip so mothers boards are ready when the chip get release.

Now what to do??
December 9, 2002 9:02:09 PM

Rimm3200 can do 800mhz FSB, it's quad channel. Rambus has spec sheets on it. Not 100% sure if quad channel can be done with 4 sticks of 16bit rdram. But it can be done with rimm3200.

Eitherway for me to go to 800FSB will be expensive, will have to dump all my rdram, mainboard and of course CPU. Thats what I did when I went to 533FSB with 1066rdram, whole upgrade process cost me around 1000 bucks.
December 9, 2002 9:09:33 PM

Quote:
Rimm3200 can do 800mhz FSB, it's quad channel.

RIMM3200 modules are a single module containing two 16-bit PC800 (400MHz) RDRAM channels. They are not quad-channel and they do not run at 800MHz.

-Raystonn


= The views stated herein are my personal views, and not necessarily the views of my employer. =
December 9, 2002 9:13:17 PM

If you look over at rambus they have spec sheets talking about quad channel using 32bit rdram. Its the same concept as running 16bit rdram in dual channel, except everything is doubled.
December 9, 2002 9:20:25 PM

Bah! Just as you think DDR has power coz of Dual DDR now RDRAM is getting quad channel!
December 9, 2002 9:21:18 PM

That is correct. It would require RIMM3200 modules to be installed in pairs on a quad-channel RDRAM chipset motherboard. There are currently no plans to create such a chipset.

-Raystonn


= The views stated herein are my personal views, and not necessarily the views of my employer. =
December 10, 2002 1:59:32 AM

There's no proof yet, Canterwood is replacing the i850E as the top of the line, using DDR400. This spells major bad news for Rambus, as now almost all Intel chipsets with Rambus are off the map.

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December 10, 2002 3:32:03 AM

BTW the first 800FSB processors will be NorthWood Bs, not Prescotts.

End of Feb, NorthWood B (512k L2), in 1k trays:

2.4G 400 $163
2.5G 400 $193
2.6G 400 $218

2.4G 533 $163
2.53G 533 $193
2.66G 533 $218
2.8G 533 $260
3.06G 533 $401

2.6G 800 $218
2.8G 800 $278
3.0G 800 $417
3.2G 800 $637

(prices are intel roadmap planned prices as of time of this post)

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December 10, 2002 3:39:46 AM

Wow!!!

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