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  OVERCLOCKING DELL XPS 1640 
 
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Azfar Siddiqui Sep 21, 2009, 01:46am EDT Reply - Quote - Report Abuse
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I just recently got my new lappy from Dell ... i dun realli wanna overclock it but the thing is it runs on INTEL SPEED STEP which i dun want ... i disabled it from BIOS but now i have less frequency shown everywhere .. that is 1.5 GHZ instead of 2.4 no matter what am doing... if i could some how access to the multiplier of CPU i can go back to 2.4 ghz w.o that SPEEDSTEP stuff ... plz guid me thorugh so i can access multiplier somehow as its not in BIOS thnaks


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Dublin_Gunner Sep 21, 2009, 08:38am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
run something like prime95 or a game and check your speed while its running.

Your CPU should clock up to its correct speed when doing those sorts of tasks.

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TamTheBam Sep 21, 2009, 11:06am EDT Reply - Quote - Report Abuse
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Edited: Sep 21, 2009, 11:08am EDT

 
>> Re: OVERCLOCKING Dell XPS 1640




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Michael C Sep 21, 2009, 03:43pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
That's not a very helpful post Tam.

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TamTheBam Sep 21, 2009, 04:10pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
Michael C said:
That's not a very helpful post Tam.


And that wasn't helpful either.

Fyi, I read the guys post incorrectly, and withdrew my advice.



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Azfar Siddiqui Sep 21, 2009, 04:31pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
the speed changes when the speedstep is running but see i want that to be disabled SPEEDstep coz it interferes with my games... so i wwant to change the multiplier directly or manually.. and when i disable speedstep my speed shown is 1.5 checked it on CPUID

TamTheBam Sep 21, 2009, 08:20pm EDT Reply - Quote - Report Abuse
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Edited: Sep 21, 2009, 08:25pm EDT

 
>> Re: OVERCLOCKING Dell XPS 1640

I've never OC'd a Laptop. Is it possible? Well, actually,yea I know it's possible. But it's not
like you can add a new heatsink fan, etc. But...... The multiplier is LOCKED.
I'll tell you what tho - and don't take this wrong - if you can't understand
why your CPU frequency's fluctuating, you shouldn't even be contemplating over clocking at
all until you, yourself can figure out. Also I don't know what type your BIOS or what settings
are available? At least present some information on what your BIOS consists of. With the
help you want, and the information you give, we'll be here forever!
Even if you went to an OC forum I don't think they'd entertain a Laptop OC'd, Seriously



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Azfar Siddiqui Sep 21, 2009, 08:25pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
BIOS ... lol its branded by dell.. can yu figure by that out ? the version is A0 plus its not that am not sure why my frequency fluctuating ... i am sure its coz of INTEL SPEEDSTEp and when i disable that apperantly i shul get FIXED original frequency however in my case i get lowered frequency which INTEL SPEEDSTEP use for power saving

TamTheBam Sep 21, 2009, 08:28pm EDT Reply - Quote - Report Abuse
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Edited: Sep 21, 2009, 08:31pm EDT

 
>> Re: OVERCLOCKING Dell XPS 1640
I don't own a Del. And never will. My system's custom built.
I'm on about do you have Phoenix Bios. f**k Del. What am I on about. Are Del's
not a locked out Bios.

Yes if Intel speed step is ON you will get fluctuating frequencies when system is idle or
under stress. If it's OFF yes you should have a constant steady frequency. So fook knows
what's going on there



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Azfar Siddiqui Sep 21, 2009, 08:30pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
LOL calm down there abt Dell :P i own a custom built desktop too but under the curcumstance that yu cant CUSTOM BUILT A LAPTOP i own a Dell ... plus imma try to figure out what make is my bios and ill let yu knw

TamTheBam Sep 21, 2009, 08:32pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640

I am calm lol. It's just Del. That's all haha



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Azfar Siddiqui Sep 21, 2009, 09:20pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
ok it is phoenix...

Adam Kolak Sep 22, 2009, 12:10am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
There are some third party overclocking programs that run inside Windows that you *might* be able to use on your XPS 1640. I have an XPS M1530 and I would not recommend overclocking this model or yours. These are thin laptops that already get pretty hot and do not have the cooling to be able to handle an overclocked CPU or GPU (very few laptops do, and even then I would not recommend it).

However, you may want to check your CPU power settings in Windows to make sure that Windows is not downclocking your CPU. Go into Power Options in the control panel and go to "Change plan settings", then "Advanced power settings". Then under "Processor power management" set your min and max processor states to 100%. (I recommend only doing this for "plugged in"). Also set "System cooling policy" to Active which means it will turn on the fan before downclocking your processor if your CPU gets to hot.

Note: These directions are based on my machine running Windows 7 Pro, but I believe it is the same in Vista.


Adam Kolak
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Azfar Siddiqui Sep 22, 2009, 12:36am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
i think yu guys are not gettin what am trny to say .. am not really into overclocking my CPU but want to FIX the issue of CPU getting UNDERCLOCKED cause by Disabling SPEEDSTEP ...

i did whast the guy above me told to do .. still my speed goes underclock after disabling speedstep ...

Dave Sep 22, 2009, 09:50am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
I don't see where the problem is. Speedstep just clocks down the CPU when it doesn't need it, clocks it back up again when it does. Power saving.

Why would you want to disable it?

TamTheBam Sep 22, 2009, 10:06am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640

No Dave he says he's getting the results of SpeedStep when he TURNS it off?!

Just turn off all the Intel crap in BIOS.



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Azfar Siddiqui Sep 22, 2009, 10:55am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
DAVE, thing is it interferes with my game ... it clocks down while im playing game which increases load to 100% .. thats why i want it DISABlr but see now the thing is when i disable it i dont have my original clock anymore but pc is underclocked then

G. G. Sep 22, 2009, 11:20am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
Azfar,

ummm... how do you know that it is down clocking while you are in the middle of gaming?

as soon as you fire up the game, the cpu should ramp up from the underclock to its rated clock and stay there until the load requirement is not needed, i.e. exiting the game.... where it would go back to the underclock....


try this......


can you hook up a secondary monitor to your laptop and make it an extended desktop to the main?


Then open task manager and display the performance tab. Drag the utility over to the secondary monitor... this will display the cpu load percentage...

Also, get a utility like CPUID... this will display your cpu's current frequency... open this up and drag it to the secondary monitor aswell.

fire up a game.... the game should display only on the laptop's monitor....

while the game is in session.... take a look over at the secondary monitor and view to see if your cpu load percentage goes up (it should) on task manager and on the CPUID, you should see the cpu go from underclock to full rated clock speed....



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Azfar Siddiqui Sep 22, 2009, 04:10pm EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
it does chnge the frequency when i start the game but i noticed on big games like GTA4 which continusly utilize cpu .. afterawhile the CPU downclock automatically to 1.5 GHZ which makes my system lag allot... and im not just throwin words.. i have done all experiments noticed frequencies through different programss..

Dublin_Gunner Sep 23, 2009, 07:01am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
Change your laptops power profile to either performance, or turn it off.

Your CPU should not throttle then, apart from heat (which is a good thing in a laptop).

If you want to ensure there are no clocking safety running, turn off the likes of C1E and other options in the power management / health section of your BIOS.

Hope this helps.

Lancool PC K62
Phenom II x3 @ 3.5Ghz
4GB DDR2-800
ASUS GTX570 DirectCU II
Adam Kolak Sep 23, 2009, 11:49am EDT Reply - Quote - Report Abuse
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>> Re: OVERCLOCKING Dell XPS 1640
DublinGunner said:

If you want to ensure there are no clocking safety running, turn off the likes of C1E and other options in the power management / health section of your BIOS.

The BIOS on Dell systems do not have that option. Everything is simplified and options you'd find on most BIOS's are missing.

Adam Kolak
Moderator, Hardware Analysis
adam@hardwareanalysis.com
DFI LP P35-T2RS | Xeon Quad @ 3.2Ghz | 4GB DDR2-1000 | 8800GT 512MB | See Profile

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