Hi!
When i first started this build i had no idea if it will actually work. So with a prayer to the almighty i purchased the following components:
motherboard: Asus P8H67-I
CPU: Pentium G620, 65W TDP
RAM: 2x4 GB Kingston 1333MHz, low profile
HDD: WD Scorpio Black, 750gb, 7200 rpm
Case: JNC Cute Q1 - with built in DC-DC converter and an external power adapter of 60W ( the reason of my concern )
Case dimensions are H190 xL230 xW60 mm.
So i put them all together and to my surprise it worked.
The first think i noticed about the CPU was the high idle voltage, around 1V with a VID of 1.16V. Since the mobo allows undervolting the cpu, the integrated gpu and ram i've decided to go for it. So after a few trials ( lots actually) the system is stable@ CPU offset -0.24V, GPU offset -0.04V, ram 1.4V.
i have no idea about the power consumption, but if it works with a low quality 60w adapter i guess is small.
Anyway it's used only for browsing and movies. Probably the highest load that this pc will see is when Mozilla stops responding while playing a video from youtube.
Ignore the CPU temp, the window is open and outside are -10C. Normally is 28C idle and 35-38C full load (prime 95). The CPU fan stays at 1100 rpm. I removed the 60mm Fractal design fan, it was very noisy.
Sorry about the picture quality, they are taken with a webcam (hd but still a webcam)
Small and fairly quiet ITX build
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Small and fairly quiet ITX build
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Re: Small and fairly quiet ITX build
I've not tried to undervolt recent hardware but with Intel it used to be that seemingly stable undervolts weren't quite stable and could result in out-of-the-blue crashes every other week.Shredder wrote:So after a few trials ( lots actually) the system is stable@ CPU offset -0.24V, GPU offset -0.04V, ram 1.4V.
If you need real stability, I'd recommend a large safety margin (like using 0.05V or more above what seems stable for a few hours) if you aren't willing to do extremely extensive testing.
Re: Small and fairly quiet ITX build
Just a small update. Recently i switched the power supply with a FSP-NET36. 12V 36 W certified level V. Works great so far.
Funny think is that i've bought an MSI E350-IA E44 (zacate e350) in order to lower the power consumption even more. Or at least i thought so. With the 36W power supply it doesn't boot. That is with 8gb of ram. with 4 boots just fine. 8gigs and a 60W psu everything is ok. Probably is something wrong with the mobo, but as long as it's stable and works with a regular psu there is no reason for a warranty return.
Funny think is that i've bought an MSI E350-IA E44 (zacate e350) in order to lower the power consumption even more. Or at least i thought so. With the 36W power supply it doesn't boot. That is with 8gb of ram. with 4 boots just fine. 8gigs and a 60W psu everything is ok. Probably is something wrong with the mobo, but as long as it's stable and works with a regular psu there is no reason for a warranty return.