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Intel K Spec Core i7 875 and Core i5 655 Review


Closer Look:

Included with this sample package of processors is the Intel DP55WG media series motherboard that supports both the Core i5 655 and i7 875. This motherboard is part of the Intel product line of socket 1156 motherboards and falls below the DP 55 Kingsburg Extreme Series board in its feature set. However, this is by no means a "no frills" board. This board is built upon the Intel P55 chipset and supports processors built on the LGA 1156 package and uses a two chip design. Two chips meaning the processor and P55 chipset. The packaging is purely Intel in form and function containing detailed information about the specifications and features of the DP55WG.




















The IO panel on the DP55WG contains from left to right a "Back to BIOS" switch to allow you the opportunity to reboot after a failed overclock, S/PDIF in (black) and out (gray) ports, a total of eight high speed USB 2.0 ports, a single IEEE 1394a port, a single RJ-45 Intel Pro 10/100/1000 LAN connection and last but not least the 7.1 HD sound connections. Expansion capabilities come in the form of 1-16x PCIe slot, a single 8x slot, two 1x slots and two PCI slots. Not for the gamers with multiple graphics cards, but enough for most users.



Along the bottom edge of the board there really is not a lot to discuss other than what looks to be a SATA power connection and a single USB 2.0 header. To the far right, you have a partial outline of a skull that lights from the underside. Swinging up the right side of the DP55WG, you run into most of the connections that usually populate the bottom of the board. To start, you have six SATA 3GB/s supporting RAID 0,1,5,10. Closer to the mid point, you find most of the connections you look for at the bottom of the PCB. You have the Firewire port, two more USB headers, an alternate power LED connection point, front panel infrared input and output headers and the front panel connections with the 24 pin ATX power plug just a bit further north.




Spinning around to the top of the board you have a power button and LED on the left corner, the CPU fan header and the 8 pin auxiliary power connection for the CPU. Not much along this edge but whats here is functional.



Now that the around the world tour is done, it's time to tackle the items of note on the internal surfaces. The CPU socket is of particular note in that is is not made by Foxconn. Intel is using the LOTES socket on this board. Maybe that is in response to the problem that with boards equipped with the Foxconn-manufactured sockets burning up and killing both processors and boards! It's all speculation, but it makes sense to me. Memory support comes in the form of four dimm slots capable of holding up to 16GB of DDDR3 memory in a dual channel configuration. Right under the CPU socket is the CMOS battery and a diagnostic LED that can be used to trouble shoot a failed POST attempt.




Lets see if "Overclocking Enabled" is all its cracked up to be. I'm curious to see how this new flexibility on the non Extreme Edition processors pans out.


  1. Introduction & Closer Look
  2. Closer Look (The Motherboard)
  3. Specifications & Features
  4. Testing: Setup, Overclocking
  5. Testing: Apophysis, WinRar, Bibble 5
  6. Testing: Office 2007, POV Ray
  7. Testing: SiSoft Sandra
  8. Testing: Sciencemark, Cinebench, HD Tune
  9. Testing: Far Cry 2
  10. Testing: Call of Duty Modern Warfare 2
  11. Testing: Batman Arkham Asylum
  12. Testing: 3DMark Vantage
  13. Conclusion:
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