xps400 processor upgrade

the d820 needs a voltage of 1.25-1.4v and an e2200 0.844-1.36v. I dont know how else the voltage would need to be or could be regulated....this board certainly  falls  into the e2200's vid range!  I do believe that this is the only core2duo that will work as all the others will require a different mobo with a different vid range. i'll wait for some more opinions. I know that dell would never mention that it would work....they would indeed only specify their line of pentium d's for an xps....the 945 chipset on the mobo also lists the core 2 duo as supported.

You were given the correct answer - the XPS400 does not support any Core-based CPUs. There is a lot more to voltage support than just the input voltage to the CPU - there are also response-time specifications for the voltage regulators, and the Core-based CPUs require a different set of response characteristics from the Pentium4/PentiumD CPUs.  The XPS400 boards do not meet the requirements of the Core-based CPUs and will not work with them.  Should you choose to ignore this fact and try anyway, be sure you can return any CPU you purchase, since it will not work and you will need to do that.

Sorry but you both are wrong. The xps 400 has a intel 945p chipset which is upgradable to a core 2 duo e6700. If you check intel's internet site it will show you the processor availability. you will have to update your bios for it to handle the 1066 bus speeds though. this is a considerable upgrade well worth it. I have done it myself if your going to disagree with me.

i think the xps410 would be upgradeable but not my xps400.....all though i still believe the 400 could run the e2200! You may be thinking of the 410 when you were posting.

btw.. i mispoke about the e2200...it is not a core2duo....it is a dual core processor! better than the pentium d....i realize this is not a high end computer i have but i want to wring every drop i can out of this dell....sure i can afford the latest and best right now and would love to say "honey the computer just died...we need a new one!" but ill let it die a natural death then i can buy new. I dont need to drive a new car every 2 years...although it would be nice....and i dont have to have a new computer every 2 years either

The Celeron e2200 is a Core processor. Intel doesn't market it as such, but it's from the same die (it's just a core that didn't pass the testing to be called a "Core2" processor).

For a motherboard to support a processor it needs a chipset that would support the processor (which the 945 chipset on the XPS 400 does), a Voltage Regulator module (VRM) that can provide the necessary voltage (which the XPS 400 probably doesn't have, but it might), and a bios that will accept the processor (which the XPS 400 definitely doesn't have).

So like mentioned; wherever you buy your E2200 be sure they have a good/easy return policy as you will be using it.

So where would you get an updated BIOS to handle the 1066 bus speed?  From DELL?  If so, I doubt they'd be giving it out, probably just wanting the consumer to get a new PC every couple years!  So you are sure that you updated the BIOS on your XPS400, and put in the e6700?  How long has it been running for you?  Also, with a processor upgrade like this, along with the BIOS update, would it allow more than 4GB of RAM.  I upgraded my XPS400 to Windows 7 64-bit.  It's faster than XP, but still not making me jump out of my seet.

yes i have installed a intel core 2 quad 1333 fsb it down graded the cpu speed to 800 mhz fsb but its a quad cpu

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Bev.