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    Looking for radiator suggestions

    I'm doing some research for both my future build and my employer's upcoming radiator product. Looking to build a list of most popular radiators according to what people actually buy. Why did you buy what you did? Any information is greatly appreciated.
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    How quickly does Windows get corrupted when OCing?

    I work for a company developing some new waterblocks and we're now in the testing phase. As a result of this, I've been spending a lot of time overclocking our 4790k and through repeated BSODs and resets, it looks like Windows is getting corrupted. We're pushing for max speed, rather than long...
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    Unable to OC beyond 4.8GHz on water with 4790k

    I work for a company developing a line of custom waterblocks and we're currently testing some examples with a Devil's Canyon 4790K i7 chip. My job so far has been to boost clock speed so that we can gather CPU temperatures across a variety of blocks but getting any stability above 4.8GHz has...
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    Ubuntu 14.04 restarting after the same amount of time

    I'm getting started with embedded systems and have Ubuntu server installed on a Mini ITX board for portability. It has 4GB of RAM and a 1.1GHz Celeron chip. I've since found that it reboots randomly, but often within a consistent timeframe. Just look at these uptime records from uptimed...
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    ASUS P6X58D-e not powering up

    So my computer has been down for a few weeks while my watercooling loop was fixed up. After cleaning the blocks and discovering the problem, I assembled everything together, but unfortunately spilt some nonconducting coolant around the PCIe slots. I dried it as quickly and thoroughly as...
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    Stuck: fix or remove mobo blocks?

    I have a problem. Since building my computer in 2011, my loop has morphed to include 2 Reserators, 2 GTX470, 1 120x3 radiator, 1 filter, 2 mosfet blocks, 1 NB/SB block and a CPU block. My loop has been plagued by low flow and for the last month has been stopped while I try to sort things out...
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    Connecting MOSFETS together

    I need to do a full service of my loop and I want to reconfigure my MOSFET block connections (or put them back on air altogether). The last time I did this, I used 2 Koolance fittings to make a hard connection -- 1 slot video and 2 slot video -- but as a result of the distance, I had to mix and...
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    Spontaneous Win 7 shutdown

    Lately I've been experiencing very strange behaviour on my main Windows 7 workstation. I'm getting completely spontaneous shutdowns that don't show BSOD or even crash dump. Originally I thought iTunes was triggering something but recently I've had a few shutdowns without it running. I'm having a...
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    SC2 update causing low GPU usage and FPS?

    My system (i7 @ 4GHz and GTX470 SLI) has always been stellar for SC2 under all conditions (Ultra at 1920x1200) but since this latest update, I noticed that my GPU utilization is never going above 20% and causing low frame rates of about 10 late in large games. Normally the rates drop when there...
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    Windows 7 locking up and resuming every few minutes

    Over the weekend I've built a new system as an HTPC but have been unable so far to get past a very annoying random lock up issue. Parts: ASUS P8Z77M-Pro motherboard Intel i5-3330 CPU ASUS GTX550 Ti GPU Corsair CX600 PSU I'm using a CoolerMaster120mm cooler. After rebooting/starting...
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    Buy a legitimate Windows 7 product key

    I need another license for Windows 7 for my HTPC. Microsoft only seems to want my money if I'm buying Windows 8. Does anyone know where I can get a proper Windows 7 license, maybe from a hidden page on Microsoft's site? Since I have the install media already, I'm only really looking for the license.
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    Where to buy EVGA GTX580 Classified waterblocks

    My friend just ordered up some GTX580 3GB Classified cards to start an ambitious build, and we want to put everything under water. At first glance it seems that the stock EVGA HydroCopper blocks are the only ones that support these cards. Is that true? Where can we get the blocks only and are...
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    Netatalk on Ubuntu 12.04 and Lion Problems

    Has anyone upgraded to 12.04 and tried running Netatalk yet? I upgraded this morning and have experienced nothing but problems getting my server to respond to my Mac. I've tried compiling the latest 2.2.2 and installing from apt-get with 2.2.1 but nothing has worked. I'm guessing that it has...
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    Optimum number of drives before using RAID6

    I'm evaluating my new storage options while my current server fills up, and have to make a decision. I'd like to build a system with about 9 drives in the pool but I can't decide what level of hardware RAID I should use. Since I'll have more than the necessary numbers for RAID 5 (3) and RAID 6...
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    GTX580 shows crazy temperatures and shuts down

    Hello [H] friends, I'm hoping to probe the collective intelligence of [H]ard to solve a problem that has flummoxed both my friend and I for quite some time. Previously I posted about an issue with triple SLI GTX580 and since then I have some additional information. The initial issue is that...
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    MacBook Pro battery cycle rate

    My mid-2009 13" MacBook Pro has been in heavy daily use since the end of 2009 and the AppleCare is done at the end of 2012. Checking iStatNano, I see charge cycles of 188 and a health of 88% new. Anyone know what rate might allow a battery replacement through AppleCare? Those with...
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    Replacment parts for Sony MDR-V300

    I have this pair of Sony headphones Amazon link that broke quite a while ago. The part that broke was the Y yoke that connects the earpad to the headband. It basically broke where you would expect it to break. Since the headphones still work, I'd love to find a replacement part to keep them...
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    Merging OTA HD and cable in a single coax

    I'm upgrading my internet this week to cable, and currently I have a single coax run from my router/server to the window, where the cable enters my apartment and I have a DIY HD antenna set up now. Rather than double the run, I'd like to just use a Y connector (something like this) to combine...
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    Windows 7 create nested symbolic links

    I've set my iTunes media library to use a symbolic link to my Ubuntu storage server and I'd like to do something similar so that iPod formatted TV shows are in the proper directory. The trouble seems to be that I'm trying to create a symbolic link from a folder that itself is a symbolic link...
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    How to store spare parts?

    I've been building a few systems recently, and have run into an organization problem. Every motherboard, graphics card and case comes with spare cables, screws and connectors, but where can I put them? I have spare fans, graphics card coolers, manuals and other plumbing parts. Have any [H]...
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    Anyone with experience with the Lian Li PC-343B?

    A friend of mine just pointed me to the Lian Li PC-343B case, and it looks amazing. It struck me as the perfect alternative to a rackmount server unit, like the Norco 4000 series. Since the external bays seem to be 5.25", I"m not sure how practical it is to house multiple 3.5" HDDs. Anyone...
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    Troubleshoot triple SLI GTX580 shutdown

    A friend and I have been scratching our heads about why his computer is shutting down when pushing lots of pixels. Within minutes of starting up the Heaven benchmark, it reboots, and this behaviour repeats for other high graphics applications. He moved from a 1kW to 1.2kW PSU, and the...
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    Video card with multiple restrictions... is there one that fits?

    A few months ago I bought an mATX case from these boards and have decided the time is just about right to fill it with gear. I've decided on CPU and mobo, but the graphics card will require more thought. My initial thought was to use the machine as a portable gaming rig and HTPC. For that...
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    "New CPU detected" when adding second GTX470

    I've been fighting a bit of a battle with my GTX470 SLI setup here since adding a waterblock to the second card. After using it on air for a while, I put it on water, where it performed for about 2 weeks before causing my system to stop POSTing. I removed it, the system worked again, and I...
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    Filtering a large volume of coolant

    My system uses a mesh filter installed in the case to clean the Feser One coolant as it enters my internal loop and I suspect there is sediment/particles in the fluid that are getting through and causing fouling inside my CPU block. I've already had to remove the block twice to clean it, so I...
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    Need help troubleshooting no POST with GTX470 SLI

    My system has decided to not POST any more. I've been running 2 EVGA GTX470 cards for the last 2 weeks or so, cooled with full blocks. My PSU is an 850W OCZ Z Series model, and today I replaced it with a friend's Corsair 1000W unit to see if that was the problem, but it still didn't POST. The...
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    Calculate required wattage and headroom

    Recently while doing various upgrades to my workstation and a friend's triple SLI GTX580 rig, I've had to learn a lot about power supplies. I had a few questions, though, that I think other people might have and want to see if we can pull some answers together. I have an OCZ Series Z 850W...
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    GTX470 reads as "Standard VGA Graphics Adapter"

    I just installed the a waterblock on my second GTX470 and when I booted for the first time, the card was discovered as "Standard VGA Graphics Adapter." I'm pretty sure the card is seated properly, and the PSU has enough power because I was running it on air previously. I also just installed...
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    Crash analysis after overheating

    My workstation (specs in signature) is cooled with 2x Zalman Reserator 1 towers, and this week here in Ottawa we've been seeing temperatures in the mid 30 C (85-90 F) which means the ambient temperature is about 31 C. Normally when I do gaming or anything intensive the water temperature hits...
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    BSOD thanks to "ntoskrnl.exe", but only in COD

    I've OCed my 950 to 4.0 GHz with 1.27V and my GTX470 to 725 MHz using ASUS Precision, and now when I play COD4, I get BSOD with reference to "ntoskrnl.exe". I hear that has something to do with the kernel. Below is the data pulled from WhoCrashed and my crash log. Could it just be voltage...
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    Medal of Honor 2010 Freezing

    I just bought Medal of Honor a few days ago and just got a chance to start it now. This evening I replaced the nVidia drivers because of a PhysX issue, and now every time I play MoH (it's happened twice), I get a freeze. The gunshots start repeating rapidly and I lose control/feedback. Any...
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    Reinstall apps that were installed on secondary drive

    This afternoon I discovered that my OCZ SSD is crap. My workstation BSODed, then the drive didn't show up in the BIOS. This is the second OCZ SSD to do this that I'm familiar with (my friend's drive went out a few weeks ago). I hate that a consumer product can be that unreliable, but since at...
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    Use car gauges to display computer stats

    I had a thought about modding car gauges to display stats about a computer. Picture this: a used dash panel from an older car hooked via USB to a computer. I imagine the gauges would be changed so that the tachometer shows CPU utilization, speedometer shows clock speed, gas gauge reads free...
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    Large format monitor mounts

    I have a 25" ASUS monitor and am borrowing my friend's 22" for my workstation. I'd like to replace the 22 and get either a similar 25 or move up to 30 or something for TV. I'd like to mount both monitors on my desk with a stand, but the only dual monitor stands I can find hold up 22 or 24"...
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    Large format monitor mounts

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    What don't you like about your current WC setup?

    A friend of mine is researching the design and manufacture of water cooling equipment and I'm looking to work with him on it. We're hoping to correct some of the design flaws with the current equipment we're using now (mostly EK and Aqua Computer). What problems have you folks encountered...
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    LEDs on Vertex 2

    Hey guys, I use a Vertex 2 in my workstation and laptop, and my friend's workstation uses a 180GB. This morning he went to boot, and the system defaulted to his standard 500GB HDD. After checking the BIOS, we see the system doesn't recognize the SSD and there is an amber light visible on the...
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    Audio output changer in Windows 7

    I have a set of 2.1 speakers that I use regularly for music and videos, but also a Logitech USB headset for gaming/Skype convos and I regularly switch between them. Right now that means going into Control Panel and choosing default output. I've tried a number of different utilities that claim to...
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    A cautionary tale about AquaComputer's Cuplex Kryos PRO CPU block

    I wanted to share with the board something that just happened with my watercooling system. Two weeks ago my "big rig" POSTed and life was good. I scored a 7.3 on the WEI and core temps on my i7 950 were about 38 C at idle, and maxed at about 60 C under extreme load. This was possible because...
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    Need help pinpointing a clog / opening the flow

    I'd been running my custom loop for maybe two weeks and earlier this week the flow suddenly stopped, and I shut off the machine. Since then I've been trying to figure out where the clog is and hopefully get the flow back up to where it was originally, but so far I've had no luck. I started...
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