The grey cover to the left of the chassis is actually the fan assembly, it features two 120mm fans designed to cool the CPUs and the rest of the chassis.  There is another fan located near the power supply at the top of the case that is not visible. 

To remove the fan assembly you need to remove the CPU heatsink cover to the right of it.  To remove the heatsink cover you need to remove the memory cage, and to remove it you need to remove two screws at the base of the memory cage.  Unfortunately, neither one of the screws wanted to move without also turning the metal standoff below it (a problem all DIYers have run into at some point). 


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There's not enough room between the base of the memory cage and the bottom of the case to get pliers in to hold the standoff while we unscrew the screw, so we were stuck.  We tried removing the screws with standoffs attached but we could not apply enough torque without stripping the screws and thus had to find another solution.


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Luckily there was enough play in the mounting of the memory cage that we could slide it back enough to unlatch the heatsink cover and remove it.  Amazingly enough we could do so without breaking any of the latches. 


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With the heatsink cover removed, we could pull out the fan assembly (a flexible putty knife helps here to pry the fan assembly away from the front of the case while you pull it out). 


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Memory Expansion and FB-DIMMs Up Close Xeons Run Cooler than G5s
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  • Anand Lal Shimpi - Wednesday, August 16, 2006 - link

    Could you show me how to get Dell to take $149 off for the monitor? Whenever I try to configure it if I select the "No Monitor" option it lists a cost of $0, meaning I don't gain or lose anything.

    The Dell protection plan is truly enterprise class however the point of the comparison was to look at things from a purely hardware/cost of components perspective, which is how these Mac vs. PC price comparisons are usually done. Once you go above and beyond that then you get into this slippery slope argument of how much you should tack on for the price of being able to run OS X, etc...

    Take care,
    Anand
  • delta53 - Wednesday, August 16, 2006 - link

    The "they" was referring to Apple namely at the WWDC6, no offence Anand. The option is given under the Medium and Large business section, but your point is well taken that exact price is impossible in that section.

    Keep up the good reports,

    Kyle
  • Furen - Wednesday, August 16, 2006 - link

    I was under the impression that Cinebench had very light memory usage. It looks to me that what will make or break Woodcrest's "power efficiency" is going to be FBDIMM power so perhaps loading up the ram will paint slightly different numbers...
  • TamarinMonkey - Wednesday, August 16, 2006 - link

    Now that we can run both OSX and XP on the same hardware, I'd be interested to see some of the benchmarks run on both OSs and see how they do. Any plans to do this in a future article?

    ~Tam~
  • retrospooty - Wednesday, August 16, 2006 - link

    I am pretty sure this has been done, and OSX has been found to be lacking, especially in 3d games. The speed advantage of PC over MAC was not that Intel/AMD were so much faster than IBM G4, then G5, but the OS and drivers are much finer tuned.
  • Tegeril - Wednesday, August 16, 2006 - link

    It was definitely not so much about the OS/Drivers being finer tuned in regards to 3D gaming. It was definitely a DirectX versus OpenGL issue.
  • psychobriggsy - Thursday, August 17, 2006 - link

    More specifically, Apple's OpenGL implementation on PowerPC was/is severely lacking.

    I wonder if the Intel Mac OS X drivers are better - i.e., the ATI/Nvidia drivers ported to Mac OS X.
  • Konq - Monday, September 11, 2006 - link

    I just played WoW last night on my Quadro 4500-equiped Mac Pro. An ATI version should be similar. I was in a 40 man raid for my guild. This thing screams in OS X. I get 30-40 fps in a crowded IF, 50-100 fps flying, and I peaked at 135 fps looking at the sky. All at 1920x1200. The drivers sure have improved and I think are better on intel. I have a 2.3 Ghz dual core G5 and this is twice as fast even thought the G5 had a 7800 GT card. Oh - and I never noticed the fans spin up during the raid even though I had low sound volume.

    Rumor has it that OpenGL will be much improved when it goes multithreaded in 10.4.8. We will see. :)
  • Konq - Monday, September 11, 2006 - link

    I forgot to mention: the Mac Pro loaded the WoW AQ40 instance in about 2 seconds! Faster even the second time. I can't express how impressed I am with this machine.

    As a side note, I used Office in Rosetta, and it is as fast as my G5. Maybe 4GB of RAM helps here but I was worried after reading Anands' report.
  • Pirks - Wednesday, August 16, 2006 - link

    Please use XP x64 benchmarks as well, since it's uberinteresting to see how both 64-bit OSes from MS and Apple compete. XP 32-bit is okay, but a bit boring.

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