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 Post subject: Custom design wood case
PostPosted: Thu Oct 25, 2007 3:16 pm 
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Joined: Thu Oct 25, 2007 2:05 pm
Posts: 2
I've bought the following components for a low spec system intended for browsing across 3 monitors. They will first go into a budget metal case while I set about building my custom quiet design.

Scythe Infinity/Mugen CPU Cooler (Socket 478/754/939/940/AM2/LGA775) 1 £26.99
Corsair Flash Voyager 1GB USB2.0 Flash Drives (CMFUSB2.0-1GB) 1 £8.99
Abit IL9 Pro (Socket 775) PCI-Express DDR2 Motherboard 1 £41.99
GeIL 2GB (2x1GB) PC2-6400C4 800MHz Ultra Low Latency DDR2 Dual Channel Kit (GX22GB6400UDC) 1 £31.99
Corsair VX 450W ATX PSU (CMPSU-450VXUK) 1 £37.99
Intel Core 2 Duo E2160 "LGA775 Conroe" 1.80GHz (800FSB) - Retail 1 £41.99
Samsung SpinPoint S 160GB SATA-II 8MB Cache - OEM (HD161HJ) 1 £28.99
Asus GeForce EN7300TC 512MB DDR TV-Out/DVI (PCI-Express) - Retail 2 £51.98



I've never experienced any quiet PC components, but experienced many PCs that sound like jet engines. i've only been reading up for a few days.

My design is based on simple airflow management, the cpu and gpus will not have fans, and i'm hoping a single case fan will do the job.

The air exit and all the mobo socketry are at the top, this is desirable also because it will give my workstation a clean back face (it will be in the middle of my room)

Here is my current design idea:

http://www.virginmediaphotos.co.uk/album/6838354

The psu is at the front because the leads might not reach the DVD if it was at the back. I'm hoping the psu will be nice and quiet.

Comments appreciated. Will it work. One fan @800rpm?


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 Post subject:
PostPosted: Thu Oct 25, 2007 8:17 pm 
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Joined: Thu May 10, 2007 2:19 pm
Posts: 379
Location: San Diego
intake fans dont work so well when you're pushing air into a bigger space. it doesnt dissapate like your design makes me think you hope it does, unless you use some means of forcing the air out. (like a cone, inside)

instead, if your'e intent on pushing air into the case, either use a single, BIG fan, or multiple 120mm fans arranged together.

edit: and passive CPU and GPU heatsinks dont work so well unless there's *noticable* airflow past them. that means, it's good to have a fan relatively close to them.


in your case, i'd think about 2 120mm fans on bottom, and 2 on top.


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PostPosted: Thu Oct 25, 2007 10:59 pm 
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Joined: Thu Oct 25, 2007 2:05 pm
Posts: 2
Is there a program available that's used for stressing the PC during testing?

I would like to add a poll to this thread along the lines of, will this arrangement keep the cpu to < XX degrees when stressing at 50% or cycle B or whatever the loading spec is.


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PostPosted: Thu Oct 25, 2007 11:04 pm 
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Joined: Thu May 10, 2007 2:19 pm
Posts: 379
Location: San Diego
umm

most people use orthos, or prime95. both will stresstest the CPU. for stresstesting the GPU, get rthdribl.

to keep an eye on everything, use speedfan. and make sure to use the proper offsets for CPU temps.

for keeping an eye on video card temp, use rivatuner.



btw, you wanna make sure the machine can run at MAX load, within temperature tolerances. if it cant, then your cooling solution is worthless.

i made the suggestion i did because i feel it would work the best in your situation. alternatively, you could just leave it as 2 fans on bottom, or 2 on top, whichever you prefer. but you must move the air bottom to top, and you must do it without ducting into a bigger space. (ducts can be used to condense the air, not expand it.)


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