D840EE-Overclocking

[Drow]

Hello,

I want to overclock a Pentium D840 Extreme Edition. I need which for it: an Engineering Sample or be enough a normal one?

Kind Regards
Drow

[Drow]

Who can procure me an Engineering Sample of this processor, announces itself over Private Messaging, please.

[Firefoxx]

rofl...sry, but this is too much... :banana: :woot: :clap:

[Playful_Buffalo]

you can overclock a normal one or an engineering sample one

the ES one has unlocked multipliers i believe

[BigStan]

Who can procure me an Engineering Sample of this processor, announces itself over Private Messaging, please.
You don't need an engineering sample for the 840EE proc. The advantage of an engineering sample is that the multi is unlocked. It is already unlocked for the 840EE. So there is no need to look for an engineering sample of it.

[Drow]

Can give me someone an example or a screen of an D840 EE (not engineering sample) on which I can see that the CPU is unlocked CPU-Z, ....?

[railer]

why do you need cpuz screene :stick: . People here ar knowlegeble enough about this :slap: :fact: . If they say it's unlocked it is.
"can anyone supply me engeniring sample :banana: " i'm beat , hehe

[Drow]

I don't doubt that. Why then did Fugger have an engineering sample to overclock one?

[ibby]

why dont u have a look on the intel website
and put the sl codes in to see if we are correct.

[Drow]

What's the sl-code of the D840EE-CPU? I tried to find out something about the multiplikator with the Specfinder. But it stands here nothing about the multi.
Here a link of my research: LINK (http://processorfinder.intel.com/scripts/details.asp?sSpec=SL8FK&ProcFam=1038&PkgType=6681&SysBusSpd=6107&CorSpd=6088)

[Crankster]

FUGGER got his prior to the public release afaik.
And he works for intel

[c7775]

I don't doubt that. Why then did Fugger have an engineering sample to overclock one?


because intel supplied him with a cpu for testing purposes :toast:

it is unlocked , dont wory

[Drow]

Thus I can take each D840EE. Everyone has the multi free, as their me describes it here. Is that correct?
For this reason Fugger had an Engineering Sample. Not because the multi is locked. :idea:

[WaltS_2]

FUGGER got his prior to the public release afaik.
And he works for intel

FUGGER works for intel? :confused:

This is the first I've heard of it.

[Vincentvega18]

works= tests i think. Intel dont officially support overclocking do they?

[c7775]

Thus I can take each D840EE. Everyone has the multi free, as their me describes it here. Is that correct?
For this reason Fugger had an Engineering Sample. Not because the multi is locked. :idea:


cORRECT!! everyone of them will be multiplier unlocked as all 6XX new stepping cpus are. PM Fugger if you want confirmation

[ibby]

wow wow brother.
6XX ? as well

stepping info please.

[boostedevo]

WHAT????????????????

Someone is saying that the 661 I have coming will be/might be unlocked? Fugger, please PM me and say it's true :) Also, if you can confirm that the 955XE retails are unlocked too, I would appreciate that.

[lutjens]

The retail Extreme Edition chips starting with the 840EE are unlocked. The 840 EE has multipliers 14x-60x unlocked and available for selection. The 955 Extreme Edition is also unlocked, but has the added advantage of have 12x-60x unlocked (adding 12x and 13x).

How low a multiplier that can be selected is primarily determined by the support from motherboard manufacturer (some support lower multis than others). For example, my 3.2GHz EE (Socket 478) has an official unlocked range of only 12x-16x. It can actually can use 8x and 10x as well, when it is used on my Abit IC7Max3, but on my Gigabyte 8KNXP Ultra 64, 12x is the lowest selectable multiplier. I think for the Smithfield CPUs, as Prescott, only 14x-60x was officially defined. For Presler, Intel defined two more multipliers, 12x and 13x (basically the motherboard maker must include support for those multipliers). The 60x upper limit is a reminder of where Intel had expected the 90 nm CPUs to run at...making all those multipliers above 30x is pretty much totally useless.

For a hardware-level analysis of the mutliplier range of an Intel CPU, look at a SiSoft Sandra report. You will typically see 4x as a low end multiplier for Intel CPUs (meaning that it would work if support was there in the BIOS).

[boostedevo]

I figured the minimum multi would be lower than Prescott (14x) since even the 2.8GHz Presler will have EIST enabled at some point (so it has to be lower than 14x).

Thanks for the detailed info though. Interesting to hear that it will run different min multis base on the mobo/BIOS.

I guess I'll know soon enough (hopefully tomorrow), but if someone can confirm that CedarMills are unlocked too, I'll be able to sleep tonight :)

[NiCKE^]

Why do you dig up such a old thread? There are some threads about cedar mill I believe, check 'em first.

[boostedevo]

Pardon me for posting in an "expired" thread :rolleyes:

If you must know, I was searching to verify that the 840EE retails were shipped unlocked and happened to come across the 6xx unlocked post...