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Thread: Misch Stuff :-)

  1. #1
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    Post Misch Stuff :-)

    Well After a looong time I'm back up and running :-) I came to college, got sick of microsoft, installed Mandrake Linux 8.0, still working some things out. and the truck is sitting in the parking lot just waiting for the new MP3 box to go into it :-) Anyways, I had a few questions that I thought I'd ask you guys :-)

    Do any of you guys know some good linux boards? I'm still getting used to the switch :-)

    Now I've got some questions about building a new comp (a home one that is :-) )

    1. Do any of you guys have some intersting ideas for cooling? I've looked into watercooling, but I think thats to plain :-) I was thinking of maybe using some peltiers to cool off the resivor or something :-) Or maybe picking up a old mini fridge from a pawn shop and hacking it up. Or even my girlfriend's dad uses liquid oxygen in his business....hmmmm :-)

    2. Whats the benefits of running dual processors? Its not as mainstream as just loading up a p4 mobo with a super fast processor. I was looking on e-bay today and found a AMD board that could handle dual 1.2 ghz chips and the little light went off :-) Let me know what you guys think :-)

    ~Cory
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    Looking For A Second Gen 4Runner, CarPuter To Follow! :-)

  2. #2
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    Dual processor systems are more stable. It's like connected in parallel. In the event of one processor failing, the other's there for back-up.
    If you are running any mission critical applications, dual processor is way to go.

  3. #3
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    1. peltiers could work, but you need to make sure that condensation doesnt happen and your cooling for the case is good (one side is cold, the other side is hot). the condensation WILL ruin the processor.

    2. you first need an OS that will support 2 processors. Im about sure NT and 2000 do, correct me if im wrong or there are more. Not sure about Linux
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    I'm fairly certain that win2k supports the dual processors, and with all the distro's of linux I'm sure theres something out there :-) On dual processors though, how do you define the speed? Is it the speed of one processor or the two combined? Like with my example of dual amd 1.2 ghz proceesors.

    And I didn't mean to have the peltiers actually on the processor, vid card, etc. but on the water tank, to cool the water before it goes out to the processor, vid card, or whatever. I figured that if I had a large enough case (a full tower case wouldn't bother me, despite my mp3car orgins ) I could have the tank in the bottom under the 3.5 bays, with plenty of air flow around it, and something like having the heatsinks/fans on the peltiers blowing to the outside of the case. Any comments?

    Also I have one more thing :-) How in the *@!! do you guys cut out the openings for the mobo ports so well in the plexiglass? I have a ryobi (dremel clone) and perhaps I just don't have the right attatchments but I for the life of me can't get anything that exact :-) Anyways, I'm done for now :-)
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    Looking For A Second Gen 4Runner, CarPuter To Follow! :-)

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    Get a Dremel engraving bit or a bit that is thin, and use it at high speed and it will cut (melt) through it like butter. You can use piece of sheet metal as a guide to make a straight line.
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    The speed would be same as one processor system. It connects parallel. No boost in speed. With petier cooling, you will need some serious cooling method. That thing get's really hot. So most people use water cooling + petier...but that's for home-use. I don't think you want to carry a water tank in your trunk that might accidentally spill...
    Petier transfers heat from the surface of CPU to the back of the petier. The heat is not just CPU heat, it's CPU + heat generated by current. In such a closed space(like in trunk), it's not such a good idea. You might want to go with those fans with small petier attached to it. I didn't see anyone having problem with them running under 1.4g. Just my opinion on your topic.
    If it works out, let us know. Someone might put super-computer in their car.

  7. #7
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    The two CPUs are used to do symmetric multi-processing(called SMP). This basically means that the code is broken up into pieces(called threads) and the processors share the pieces. SMP requires support from the OS. Win NT, Win 2000, Linux and some other OSs support SMP. The dual processor system described by ifnh573(where one CPU checks the calculations of the other) is very rare allthough I know it is supported by some intel CPUs, I'm yet to see a dual CPU board that supports it. I think only NASA makes them

  8. #8
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    I also forgot to mention that it does result in an substantial increase in speed. It's not doubled but it can come close with some applications(on a good day and when the moon is full). Most people would say 2.4GHz for a dual 1.2 system. As for cooling, I think the money might be better spent on faster CPUs than some elaborate vapour phase system. These is a limit to how much heat a peltier can pump + you still need to cool the peltier(which creates some heat of its own by the way). Some people take it a bit too far in my opinion.

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    Well, I am using the system that I described above. Maybe I am the only one who has this setup. I am using PIII xeon processors. I don't know if my setup is is common in U.S. I bought mine from other country. It was pretty common in that country.(S.Korea) Hmm...if only NASA uses this kind of computer, then luck me.

  10. #10
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    My next home computer will be dual processor for sure. Although that is quite a ways off. The reason I want dual is for ripping DVD's and for running SETI@Home (Twice. One for each processor). So unless you have a specific program that will take advantage of both processors, you are probabbly better off getting a super fast single processor machine. Unless you just want to be able to tell everybody you have a dual processor machine!

    Also, you should buy both processors at the same time so you can get identical ones. If not the stepping or something else may be different and it may not work as well.
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