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 Post subject: My HTPC (Silverstone LC13)
PostPosted: Sun Mar 05, 2006 12:17 pm 
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Joined: Sun Mar 05, 2006 11:28 am
Posts: 8
Hi there! Long time lurker, first time poster. :!:

I've managed to make a nice and quiet HTPC thanks to the many posts and product recommendations from SPCR, so I thought I'd share my results. :D

Specs for the HTPC are as follows:
- Silverstone LC13 - Black
- Seasonic S12 380
- A64 3200+ Winchester
- Thermalright XP-90 HSF w/ 120mm D12SL-12 Yate Loon (motherboard controlled)
- Gigabyte K8NF-9 Mobo
- 2 x 512Mb Samsung DDR 400 RAM
- PCI-E Gigabyte 6600GT (passive)
- Hauppauge PVR-150
- Seagate 160 Gb IDE HDD (soft mounted using rubber grommets)
- Lite-On DVD-R/W
- XP Pro w/ MediaPortal

My latest mod was to improve airflow over the NForce chipset and the videocard.

What I did was take a bracket and rubber grommets from a Sunbeam PCI rack (pictured here: http://www.atruereview.com/pci_rack/index.php) and mounted a 120mm Yate Loon fan on it. I wanted to soft mount the fan to minimize vibrations. It's connected using the low speed fan header from the Seasonic's bundled fan control adapter.

Here is a pic of the new fan assembly
Image

The default intake fan assembly was removed and then I installed motherboard stand-offs on the unused mounting holes near the front of the case. Since the mounting holes for the PCI rack bracket are open, I was able to position the fan assembly so the fan would not interfere with the HDD cage.

Fan assembly installed:
Image
Image
Image

The temps were monitored using the motherboard bundled Gigabyte utility and Speedfan. Both programs are reporting temps within 1 degree Celsius of each other. Videocard temps are taken from the Nvidia readouts from the video properties window.

Temps @ load are taken while watching AVI files using ZoomPlayer and FFDshow. My FFDshow settings weren't intended to max out the CPU; its the settings that I use to get the picture quality I like. Idle temps are taken 30 min after load with Cool and Quiet enabled.

The old setup had a Zalman 7000Al-Cu HSF (motherboard controlled) and Nexus 92mm intake @ 5V. Temp readings for the old setup were documented before the mod. New setup is as described above with no other changes to hardware. No updates to BIOS or videocard drivers. Ambient temps are approximately 22C.

CPU readings
New setup: Idle = 33C, Load = 40C
Old Setup: Idle = 37C, Load = 45C

Videocard readings:
New setup: Idle = 64C, Load = 72C
Old setup: Idle = 69C, Load = 83C

I couldn't find any readings for the NForce chipset temps, but since the Yate Loon has dropped the video card temps I can safely assume the NForce HS is also running cooler.

With the old setup the Zalman used to ramp up and down - which got annoying really quick. Now at idle the HTPC is inaudible from 10ft away. At 2ft there is a soft whooshing of air; it's faint and definately unintrusive.

I am very pleased with the results. The mod was very easy to do, and didn't require any tools other than a screwdriver. I hope these pictures might help someone with a similarly laid out case.


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 Post subject:
PostPosted: Sun Mar 05, 2006 12:57 pm 
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Joined: Thu Sep 22, 2005 9:58 am
Posts: 211
I have the same case. What kind of "soft mounting grommet" are you using for the harddrive?

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 Post subject:
PostPosted: Sun Mar 05, 2006 5:45 pm 
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Joined: Sun Mar 05, 2006 11:28 am
Posts: 8
I'm using 2 grommets from the Sunbeam PCI bracket:
Image

I used 2 for the Yate Loon fan assembly, and the other 2 for the HD. I mounted these on the middle holes for the HD.

I also used 2 extra screws from an Antec Aria:
Image

I used these on the rear mounting holes of the HD. I ran into inteference issues when installed on the front mounting holes due to the added thickness of the rubber. The screw head would hit the metal bracing that runs across the case, and I couldn't put the HD cage in properly.


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