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This dude overclocked a Dell prebuilt system

post #1 of 46
Thread Starter 
sup guys! I was browsing ebay for computer stuff and I came across this dude selling a DELL XPS Gen 6 computer.

http://cgi.ebay.com/Dell-XPS-600-4-0...QQcmdZViewItem

The shocking thing is...It stated that the speed of the intel processor was 4ghz with 1066mhz FSB! I was like ***!!!! is this fool a scammer or does he really think that everyone is gullable?

I checked out the details of this dell system he was selling and this is what it said:

"Product Highlights
This system is priced to sell NOW using the BUY IT NOW feature. This is an ideal gaming system. Dell is mainly pushing the PentiumD processors in the current top of the line desktops (Dimension 9100 & XPS 600) even though they support the faster Pentium 4’s. Plus, Intel does not even offer P4’s at 4.0 GHz and at this point and they have no plans to do so either. The CPU in this system will outperform the PentiumD processor in everyday computer use and especially gaming (games are now being designed to take advantage of dual core processors so this may change in the near future). The PentiumD would be a bit more competetive when it comes to CPU instensive tasks like vide/photo editing.

I have used a little known trick to fool the motherboard into thinking that the processors runs on a 1066 MHz Front Side Bus (FSB). The processor normally runs at 200 FSB (800 MHz Quad Pumped) with 15x multiplier (200 x 15 = 3000) but now runs at 266 FSB (1066 MHz Quad Pumped) with 15x multiplier (266 x 15 ~ 4000). The key to doing this modification (the mod only involves the CPU and not the motherboard) is to know what to do and perhaps the biggest challenge is finding a CPU that is capable of increasing their FSB from 800 Mhz to 1066 MHz. At this point I will consider it a trade secret on what the modification involves but I will say that it is reversible from the CPU and you might be able to find info on the internet if you look hard enough.

I have extensively tested this processor for the last week or so in this sytem to make sure it is stable at the offered speed. I would not be offering it at this speed if I did not feel that it is rock solid stable at this speed. I ran the system for 1 ½ days looping 3Dmark2001 SE with 2 instances of Prime95 in the background and never had any lockups or errors. I think a big factor for the system’s stability is the dual fan design and the somewhat large copper heatsink that Dell uses. Please note that while under full load the fans do speedup but overall it is still a low-noise system. I opened up the case while stress testing the CPU and felt of the heatsink. The heatsink was definitely warm but far from being hot (ie. I could leave my hand on it all day long without getting burnt)
"

Ok, im no computer genius and neither am I a CPU overclocker cuz as u can see, I own a DELL computer myself so obviously I cant overclock my CPU. Its locked in the BIOS or some stupid BS done by DELL.

My question is... Is this dude lying his @$$ off or can this really be done? 1066mhz FSB???!!! If this can be done then why havent I read anything of the sort ANYWHERE on this site? THIS IS OVERCLOCK.NET MAN!!!

Help me out ppl.
    
CPUMotherboardGraphicsRAM
Intel i5-750 GIGABYTE GA-P55A-UD3 Sapphire 5870 2GB Eyefinity 6 edn. G.SKILL Ripjaws 2x2GB DDR3 1333 
Hard DriveOptical DriveOSMonitor
x2 OCZ Agility 2 60GB FW1.1 + Seagate 640GB ASUS DRW-24B1ST/BLK/B/AS Windows 7 Home premium 64-bit DELL U2410 IPS rev. A01 1920x1200 
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CPUMotherboardGraphicsRAM
Intel i5-750 GIGABYTE GA-P55A-UD3 Sapphire 5870 2GB Eyefinity 6 edn. G.SKILL Ripjaws 2x2GB DDR3 1333 
Hard DriveOptical DriveOSMonitor
x2 OCZ Agility 2 60GB FW1.1 + Seagate 640GB ASUS DRW-24B1ST/BLK/B/AS Windows 7 Home premium 64-bit DELL U2410 IPS rev. A01 1920x1200 
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Logitech G11 CORSAIR 750TX HAF 932 DELL 
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post #2 of 46
Well, Lately there have been lots of stuff like this up and about, Mainly pin-mods and solder mods.

I can't remember much surrounding the pin mods, But the solder-mods for the 775 CPU's are just connecting two of the pins over a trace of solder.

Its really hard though because it has to be done in the same technique as the Bridge mods for the AMD XP CPU's with the little silver line, Since it has to go right around a full pin (plate, cell, Whatever its called for 775).
post #3 of 46
I would like to know how he did that!
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post #4 of 46
I was under the impression that OEM systems could not be O/C'd
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post #5 of 46
And, Now you know. - Bill Nye THE, Science Guy

All it does it up the FSB, No Vcore adjustments available. So if its unstable there and its not from heat, Its probably from the lack of Vcore. (Obviously)

Then, Unless your a pro Vmodder and know exactly where to go and put a VR, Your plain outta' luck.

post #6 of 46
I believe that their XPS series is made to be OCed. They are, afterall, for gamers.
post #7 of 46
no theyre not, ive got one...unfortunately
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Intel P4 550 3.4GHz Intel ATI x800se 128mb 1GB DDR2 533, 1GB DDR2 667 
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Maxtor 80GB x 2 Windows XP SP2 Dell 17' LCD Logitech G15 
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Intel P4 550 3.4GHz Intel ATI x800se 128mb 1GB DDR2 533, 1GB DDR2 667 
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Maxtor 80GB x 2 Windows XP SP2 Dell 17' LCD Logitech G15 
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post #8 of 46
sorry to hear it seriously. I had a dell, its not a bad peice of machinery but hell the damn thing didnt even have a PCI express or a AGP. I looked up retail and it was about 1k thank god it was a school given computer, right now I took it back and basically got another peice of **** from my other school.
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post #9 of 46
off topic: :O bill nye the science guy! i had to watch videos of him in Bio!
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1x320GB, 1x750GB CD/DVD+-RW Windows Vista Ultimate SP1 & Arch Linux 64bit 19inch Acer X193W 
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post #10 of 46
I asked this guy alot of questions about this computer and he said he did a hard mod of some sort, he never realy went into detail about it and he never sent me any screen shots of CPUz or even temps from speedfan, he replied saying he has never used them and didnt know where to find them. His idea of the CPU being cool, was by touching the heat sink with his hand, I mentioned that is probably not the best way to get an accurate temp reading and he siad it worked fine?? LOL, anyways when I sent him a link to CPUz and speedfan he never replied back to prove his system was actualy stable.
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2x200 Maxtor SATA XP SP2 Acer 22" Wide Microsoft multi media 
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