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  1. I

    Why can't they make slim CRT monitors?

    So what if the TV is thick? I don't care. Computer Displays, maybe depending on desk size, but TVs are no problem.
  2. I

    does the "distance" in the cpu matter yet?

    BTW, my post above refers to the squiggly traces on the circuit board of the video card.
  3. I

    does the "distance" in the cpu matter yet?

    1.) Many of the posts state that the metallic conductors (copper wire, traces) carry Electromagnetic Waves. I may be wrong, but doesn't copper wire carry Electric waves while fiber optics carry Electromagnetic waves? 2.) I can think of two possibilities for the squiggly lines: a...
  4. I

    Someone help me with the 0.9 repeating = 1 proof

    Thanks for the links edcarman. Looking at one page http://mathforum.org/dr.math/faq/faq.0.9999.html it says: So in modern mathematics, the string of symbols 0.9999... = 1 is understood to mean "the infinite sum 9/10 + 9/100 + 9/1000 + ...". This in turn is shorthand for "the limit of the...
  5. I

    Someone help me with the 0.9 repeating = 1 proof

    To put it succiently, in your example, the function will NEVER, EVER, EVER be equal to the limit value, only get darn close to it. (Function is not continous) :)
  6. I

    Someone help me with the 0.9 repeating = 1 proof

    Eeezee said: Someone help me with the 0.9 repeating = 1 proof IF 0.9 with nines repeating comes from lim (x->1) x=1 and the function f(x)=x THEN you can prove using theorems in calculus that f(x) at x=1 APPROACHES AND BECOMES EQUAL TO 1 (basically the limit equals the function value and it is...
  7. I

    Better airflow by plugging side hole?

    Adding the front fan and covering the hole would be the optimal cooling situation. There are too many variables to asertain whether the covered hole without front fan is better than uncovered hole without a front fan. If you want to know the performance without the front fan, is plugging the...
  8. I

    Better airflow by plugging side hole?

    Intel's "thermally advantaged chassis" was designed for their OEM heatsinks that are made to face the airflow from the shroud. In your case, assuming you will add fans that will get "more air circulation from the lower front to upper rear of the case" it will be advantagous to cover the hole...
  9. I

    How is the CoolerMaster Aquagate Mini R120?

    A Pentium IV EE at 4.7Ghz????:Q Was it dual prime stable, SuperPi stable, or boot stable? Please post details (cpu, motherboard,ram,etc.). Do you remember the temperatures you got when overclocked to 4.7Ghz? 3.73Ghz? Also, what kind of cooling are you using in the lanbox? Thanks.
  10. I

    How is the CoolerMaster Aquagate Mini R120?

    Hmm... From http://www.overclockers.com/articles373/p4sum.asp Large Die C/W Test Results Thermalright Ultra 120: 0.13 120 mm fan, 2705 rpm, Quiet; 1018 rpm very quiet, C/W 0.17 Thermalright XP-90C: 0.16 90 mm fan, 4809 rpm, very loud; 1923 rpm quiet, C/W 0.20 Thermalright...
  11. I

    socket 478 heatsink

    Core 2 Duo appears to be made for LGA775. Here's a page stating it:http://www.overclockers.co.uk/acatalog/Intel_Pentium_Core_Duo2.html So Scythe Ninja will work for socket 478 and Core 2 Duo.
  12. I

    Would window washer fluid work for a water cooling setup?

    The main effect of UV is it prevents microorganism reproduction. Water purification machines have UV built in.
  13. I

    Case and PSU suggestions needed... URGENT!

    Offtopic but if you want to settle the question a hall-effect DC amperage meter would be the ticket. Can measure the current each component uses without cutting wires and putting an ammeter in series. Lacking that, a splice with female plug- ammeter - male molex plug can be made. Will make...
  14. I

    How is the CoolerMaster Aquagate Mini R120?

    Coolermaster Aquagate is just a gimmick. From the looks of the radiator, I seriously doubt it will be better than air heatsinks like the Scythe Ninja, which have performance close to watercooling. Check out overclockers.com
  15. I

    socket 478 heatsink

    Scythe Ninja is designed for the socket 478 bracket, so no backplate installation required. Install the four clips to four holes in the plastic mounting frame to install. Can also be used for socket LGA775, Socket 754, Socket 939, Socket 940 with included backplate and frame. Air heatsinks...
  16. I

    Feasability of GDDR3/4 on cpu socket ?

    Remember COAST (Cache On A STick?)
  17. I

    Would window washer fluid work for a water cooling setup?

    I hope all of you are talking about the winndex type of "window washer fluid", not the automotive stuff. The stuff used in cars has methyl alcohol. Gooogle it for info. Like water, it will diffuse through the tubing and will escape when you refill your system. Although it will do a great job...
  18. I

    151 Rum for a Heat Pipe Fluid

    Were you at the desert when you tested your heatpipe? How much "under 200psi" at "room temperature" did you get?
  19. I

    151 Rum for a Heat Pipe Fluid

    R-134A is a piss-poor fluid for heat pipes. It has to be under tremendous pressure to liquify in the pipe=not good. With a pipe of that diameter, the performance shown on the page is pathetic. ;)
  20. I

    151 Rum for a Heat Pipe Fluid

    Anyone remember this: http://en.wikipedia.org/wiki/Drinking_bird Values of heat of vaporization for ethyl alcohol and water: http://hyperphysics.phy-astr.gsu.edu/hbase/tables/phase.html Heat of Vaporization Ethyl Alcohol: 854,000 J/kg Heat of Vaporization Water: 2,256,000 J/kg...
  21. I

    Isn't aluminum better than copper for heatsinks and waterblocks?

    I made a mistake in my calculations. In my physics textbook, I thought the values were in kilo because of the k. But it is not in kilo. So my calculations were off by 1000. There is significant difference in temperature between using copper and aluminum. Using a value of 170W/mK for common...
  22. I

    How rare is the doctorate in Electrical Engineering?

    I have a feeling that the number of US Ph.D's granted in EE (especially from schools in the top 10 list in academic reputation) is small compared to other large science and engineering disiplines, but can't find any statistics. What is your impression about the number of people with EE...
  23. I

    Looking for grad schools

  24. I

    Isn't aluminum better than copper for heatsinks and waterblocks?

    Found some sites: http://www.tufts.edu/as/tampl/en43/lecture_notes/ch2.html http://www.electronics-cooling.com/html/2001_feb_a1.html
  25. I

    Isn't aluminum better than copper for heatsinks and waterblocks?

    I don't understand why copper is used instead of aluminum. Theoretically, the thermal conductivity of both are that there is less than 1 degree Celcius difference between using the two materials in typical surface area and thickness present in heatsinks and waterblocks. Is there some other...
  26. I

    Rounded IDE cables are bad?

    Antec makes a premium rounded cable.
  27. I

    Home-Made & Do it Yourself Heat Pipes, Pics

    Very cool. I saw a webpage where someone filled a large diameter pipe with automotive refrigerant gas, but required vaccum equipment and lots of labor. Here's the link: http://www.benchtest.com/heat_pipe1.html
  28. I

    Question for Power Supply EE's: Are 7 volt connections safe for computer switching power supplies?

    Thanks for the link Howard. Awesome explaination.
  29. I

    Question for Power Supply EE's: Are 7 volt connections safe for computer switching power supplies?

    Hi. I was wondering if switching power supplies used in computers are designed to handle 7 volt connections for example: A fan connected to: 12 volt positive 5 volt positive Since there is reverse current going through the 5 volt positive line I am unsure if switching power supplies...
  30. I

    Best GLide wrapper??

  31. I

    With a good firewall, can someone get by with Windows XP Pro Service Pack 1 today?

    Build a hardware linux firewall with a spare computer.
  32. I

    Crazy question: Want to play old games.. turn ME into dos?

    Try MoSlo. And here's a trick that will make the game emulation speed mucho consistent: Turn off ALL cache. Combining this with MoSlo will make the P3 closest to a 486 cpu, ideal for old games. The P3 with no cache with superior branch prediction and superscalar pipes is closest to the 486...
  33. I

    Catalyst 6.6 Released

    Yes, ATI does offer 1:1 pixel scaling with DVI only, same as Nvidia. It can be enabled in both CCC and Control Panel. Depending if it is CCC or Control Panel, there are two equvalent options: 1. Turn off scaling OR 2. Enable Centered Output Do you have an ATI card with DVI and DVI...
  34. I

    LCD 1600x1200/1680x1050 Best Choice?

    For nvidia cards go to Device Adjustments -> Digital Flat Panel Settings and choose "Centered Output". This should make a 1:1 pixel output. Here's a link to the picture: http://www.widescreengamingforum.com/wi...ex.php?title=Image:Fixed_aspect_nv.jpg Post if this works because I am...
  35. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    Do you mean "Expand while maintaining aspect ratio"? I know there are two options generally avaliable for ATI: 1.Expand to Full Panel Size 2.Use centered timings Do you have the option "Expand while maintaining aspect ratio"? If so, what is your ATI card and driver version? To tell the...
  36. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    Thanks nullpointerus, I looked for more info and found nvidia cards fx series and up have four scaling options avaliable: 1. Display adaptor scaling 2. Centered output 3. Monitor scaling 4. Fixed aspect ratio scaling Basically everything I'm looking for. It appears that this is avaliable...
  37. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    On my laptop with 15" 1024x768 screen (the screen is HUGE for a laptop), I played Command and Conquer Tiberian Sun at 800x600 with black borders and no scaling and the picture is RAZOR sharp. I mean, it blows away the picture quality of a CRT, which has a gaussian distribution of pixels and not...
  38. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    Awesome. So will "scaling to aspect ratio" on a 1280x1024 LCD display: 1024x768 resolution with 1024 horizontal * 768 vertical pixels? 800x600 with 800 horizontal * 600 vertical pixels? And will 640x480 resolution be displayed with 1280 horizontal * 960 vertical pixels since there is...
  39. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    Another related question: I am interested in displaying 640*480 but can the monitor scale this to 1280*960 (4:1 pixel ratio for every pixel) with two black borders at the top and bottom of the screen, or can it only scale it to 1280*1024 (ugly approximation time)? And is DVI vs. VGA important...
  40. I

    Question for Experts: LCD Monitor Resolution: Displaying Lower Resolution without ugly scaling approximations

    I like to know if ALL or ONLY SOME 1280*1024 LCD monitors for PC with modern ATI or Nvidia card (I have ATI X800XTPE and Nvidia 5200FX) will display resolutions such as 1024*768 and 800*600 with empty black bars and NO scaling. I am considering purchasing a 19" LCD monitor but it is important...
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