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AltairDusk
1 Copper

XPS 700 Processor Upgrade

Hello all, I've been trying to find out what processors are compatible with my XPS 700 with mixed results.  I bought the unit used and previous owner never did the free upgrade to the 720 motherboard so I know quad cores are out emoticon.Sad.title   What I'm trying to figure out is if the E8400 Wolfsdale will work in my system, I believe it should since it's LGA 775 but I've heard from a few people that the original XPS 700 motherboard may not be able to handle the new 45nm process chips.  Is anyone running this chip on an XPS 700 without the motherboard upgrade or does anyone know for sure if this chip is compatible?  If not what am I restricted to for choices?

Thanks in advance for the help emoticon.Smile.title

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50 Replies
wtb
2 Iron

Re: XPS 700 Processor Upgrade

AltairDusk:\

That is one of the many problems with the XPS700 - it does not support all of the 65nm CPU's muchless the 45nm ones.   Due to this and many other misrepresentations and problems, Dell was forced to offer the mobo exchange to convert the XPS700 to an XPS720.   The XPS720 with the nVidia 680i mobo is compatible with many Intel CPU's.   Check out the Rampant Speculation forum for much better information than you will find here.  You will find test results on various 45nm CPU's with the 680i mobo. 

 

Your best bet is to order the mobo from Dell and install it yourself if you want to be able to use 45nm CPU's and overclock your system.  You cannot overclock the XPS700.

 

wtb

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AltairDusk
1 Copper

Re: XPS 700 Processor Upgrade

Thanks for the quick response, not what I was hoping to hear but I was afraid that might be the case.  I wish I had researched the motherboard upgrade and asked if it had been done before I bought it but I can't complain too much as I still got a good deal on it ($650 with a 20" widescreen Ultrasharp almost a year ago :emotion-1:)  Any idea how I'd go about getting a price from Dell on the XPS720 board?

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Chris_Mixon
2 Iron

Re: XPS 700 Processor Upgrade

AltairDusk,

The Wolfsdale is not validated on the XPS 700. Your best bet is the last one on this list -

PY390 Presler P4 EE 965, 3.73GHz, 1066FSB, 2X2MB, C1
CJ163 Presler P4 960, 3.60GHz, 2x2MB, 800FSB, B1
YH754 Presler P4 950, 3.40GHz, 2X2MB, 800FSB, C1
DK050 Presler P4 940, 3.20GHz, 2X2MB, 800FSB, C1
YH751 Presler P4 930, 3.0GHz, 2X2MB, 800FSB, C1
YH750 Presler P4 920, 2.80GHz, 2MB, 800FSB, B1

DK594 Cedar Mill P4 661, 3.60GHz, 800FSB, 2MB, C1
MW529 Cedar Mill P4 651, 3.40GHz, 2MB, 800FSB
PY394 Cedar Mill P4 641, 3.20GHz, 2MB, 800FSB
DK593 Cedar Mill P4 631, 3.00GHz, 800FSB, 2MB, C1

WM543 Conroe XE X6800, 2.93GHz, 4MB, 1066FSB, B2
PN416 Conroe E6700, 2.66GHz, 4MB, 1066FSB, B2
KU345 Conroe E6600, 2.40GHz, 4MB, 1066FSB, B2
KN977 Conroe E6400, 2.13GHz, 2MB, 1066FSB, B2
DT893 Conroe E6300, 1.86GHz, 2MB, 1066FSB, B2

GK159 Prescott P4 Kit, 670, 3.80GHz, 800FSB, 2MB, R0

AltairDusk
1 Copper

Re: XPS 700 Processor Upgrade

Chris_Mixon,

Thanks for that list, I was trying to find something like that for awhile.  I probably should have mentioned my current processor is:

KN977 Conroe E6400, 2.13GHz, 2MB, 1066FSB, B2

 

As I run dual monitors and tend to have multiple programs open when gaming (mostly WoW) I would prefer not to give up dual core, the Xtreme Edition is far out of my price range unfortunately.  Do you know anything about this one as far as the XPS 700 goes?  http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3241546&csid=ITD&body=MAIN#detailspecs

Thanks,

AltairDusk

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jimatargoed
1 Copper

Re: XPS 700 Processor Upgrade

I have that exact same system and upgraded the Conroe to a Kentsfield Q6700 2.6 Quad processor about 2 months ago. You have to ensure that the most recent XPS700 BIOS update is installed first though, as this is the update that allows for a small selection of the earlier Quad processors.

 

Apparently this is not 100% sanctioned by Dell, but what the heck, it works and the performance increase was huge. After I had installed the processor and a new Geforce 260, my 3DMark test score pretty much doubled.:emotion-1:

 

As ever though, make sure you get some Arctic Fox Arcticlean and some Arctic Silver paste (or similar), in order to properly 'degunk' the Heatsink and prep the new processor for installation.

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Sasparilla
1 Copper

Re: XPS 700 Processor Upgrade

Hello Jim, probably too late to get a response here, but I wanted to confirm that you really did this with a stock 700 motherboard (and not a 720 mboard)?

This would be fantastic for the 700's that missed the 720 upgrade window as there are still Kentsfields out there available (but not for long it appears).

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Tom Mizell
1 Nickel

Re: XPS 700 Processor Upgrade

I have had the same questions.  Please read and take note of the last note of Lionel Mancha post.

 

http://en.community.dell.com/blogs/direct2dell/archive/2007/08/07/23664.aspx

 

A statement is made reference processors that can be used on NON XPS 720 H2C motherboards.. 

Based on this I acquired a x6800 2.93ghz  4mb cache processor and it works fine.  Bios is 1.4.1  on a XPS 700.

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jimatargoed
1 Copper

Re: XPS 700 Processor Upgrade

Hello Jim, probably too late to get a response here, but I wanted to confirm that you really did this with a stock 700 motherboard (and not a 720 mboard)?

This would be fantastic for the 700's that missed the 720 upgrade window as there are still Kentsfields out there available (but not for long it appears).

 

Hi Sasparilla,

 

Yes, this was definitely with the basic old 'stock' 700 motherboard.

 

I upgraded my GPU from a 7950GX2 to a Geforce 260 a week prior to the processor upgrade, and I saw a reasonable amount of improvement in performance with this, but I was staggered how much better the system ran once I put the Q6700 in - well worth the asking price.

Don't even get me started on the 720 upgrade window - I've been a loyal Dell customer since about 1993, but I feel very let down about the whole thing frankly, so at the risk of sounding a bit petty, this is definitely the last Dell system I will ever buy now. 😞

 

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Sasparilla
1 Copper

Re: XPS 700 Processor Upgrade

Hello Tom, that is great news you were able to get QX6800 processor running as well - what a honking processor. 

Something to note, the article you linked to said the following "what processors we'll support on the non-H2C XPS 720 motherboard".  I believe this meant processors for the non water cooled 720 motherboard (not the old 700 motherboard).

I'm pretty sure Dell doesn't officially say these work at all for the 700 (only the few Conroe processors they sold with it are officially supported).  I think we're just lucky these chips work in the 700 with that last bios update (whoever put that together inside Dell deserves a moment of thanks).

Thanks for the reply, I feel alot better about taking the plunge and pulling my processor.

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