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-   -   WIP GD05B HTPC (http://www.hardwarecanucks.com/forum/case-mods-worklog-gallery/49398-gd05b-htpc.html)

zoob December 13, 2011 07:50 PM

Building a HTPC/transcoding box for my Brother to pick up when he comes to visit for Christmas.

Built out of my "old" parts.. so far the pieces I've decided 100% on are:

i7 860 w/Scythe Big Shuriken (accidentally ordered the old 1000 model)
Gigabyte H55M-USB3
Some assortment of spare RAM I have laying around
Silverstone GD05B

The GD05 looks great, has a tiny volume, and fits perfectly when stacked with other AV equipment. It looks like it would be a good fit at first with a Powercolor HD6850 SCS3 passive...

The huge SCS3 heatsink won't fit!!! It's barely too large for the height, and too wide if I want to keep an optical drive. Probably too wide with the Big Shuriken on the CPU as well. I might have to resort to giving him my single slot XFX 5770 but I love that card too much (it's in my own HTPC at the moment).

kingnubian December 14, 2011 09:25 AM

I have an HTPC using the G05B and the Big Shuriken works great in it.
You state in the thread title SG05B which is an ITX case but the case shown in your pics is the GD50B mAtx Case btw.

Here are some pics of my HTPC (GD05B) with a Big Shuriken installed and an optical drive. It's a tight fit but it does fit.
The biggest concern was the optical drives sata cable getting in the way of the heatsink's fan but it doesn't at all even though it may look that way due to the angles of the pictures.


Gigabyte S775 mATX motherboard (It's a G41 based model whose model name escapes me at the moment.)
Intel E5200 S775 CPU (@3Ghz)
Gigabyte HD6770 1GB PCIe Video Card
Seagate 7200.12 1TB SATA2 Hard Drive
Samsung DVDR (BluRay coming soon)
HT Omega Claro+ PCI Sound Card
2 Fan Controllers

Arinoth December 14, 2011 10:24 AM

It's truly a great case, especially for an HTPC system.

CoolHandL December 14, 2011 10:49 AM

+1 my gd05 is awesome.
xfx HD6850 + AMD 925 Quad using Big Shuriken, HTPC in my Living Room
Keep us posted with pictures!!!!!!!!!!!

zoob December 14, 2011 08:23 PM

Sorry about the bad pics. Was working on this late last night and only had my P&S handy. I've also corrected the thread title - thanks!

Now I understand why people curse at the Big Shuriken's mounting pins. To get to the pins easily, one of the side 120mm fans should be removed. I also had a handy bottle opener that just happened to be the right shape and strength!

The Big Shuriken dwarfs the regular Shuriken Rev B.

Tossed in my extra low-profile RAM as the Big Shuriken overhangs the DIMM slots. You can't even change the RAM without taking off the heatsink.

Had the extra Kingston kit laying around doing nothing. It's not worth anything these days where you can get a 8GB kit for $35, so I had to loosen timings a bit for the RAM to work. The Kingston is specced at CL7 1.75V, but seems to work fine at CL9 1.5V.

It was not fun taking off the heatsink to add the Kingston kit.

The stock fans have terrible sleeve bearings. The whoosh of air at 7V is more pleasing to the ear than the bearing chatter at 5V.

I also undervolted the i7 860 by using the Gigabyte DVID setting of -0.075V. It's testing LinX at 1.024V, loading at 75C on the hottest core. I'm very curious to see how low it can go... it's really hard to find undervolting results for this model.

Additional specs:
G-Skill 2x4GB DDR3-1333 1.5V
Kingston HyperX 2x1GB DDR3-"1375" 1.5V
Corsair Force 120GB SSD
Western Digital WD20EARS


zoob December 15, 2011 07:32 AM

LinX was set to run overnight 20 passes with the CPU undervolting by -0.1000V. CPU-Z reported 1.002V-ish.
Completed successfully which is a relief because I was still a bit uncertain about the Kingston RAM.

Next stability steps:
- Tightening the timings from 9-9-9-24-2T down to 1T
- Push the undervolt a little more, try to get sub 1V on full load

Next component steps:
- Replace terrible stock fans with something smoother sounding and around 600 RPM when undervolted
- Currently using a Geforce 310 which unfortunately does not support Flash acceleration
- Hopefully replace the Seasonic X750 with something a little lower power if I can find anything on sale

zoob December 19, 2011 06:56 PM

Tiny case is hard to wire! Many pics to follow.

Some tweaks since last update:
i7 860 heavily undervolted by -0.125 in BIOS, LLC off
10 GB RAM (2x4 + 2x1) 9-9-9-24-1T @ 1.5V
XFX Radeon HD5770 Single Slot
My Brother is going to install his own DVD drive

Figures that the day after I took apart my HTPC, my eBay order of an ATI DVI-to-HDMI adapter arrives. A special one is required in order to transmit audio. HiTi generously gifted me a few adapters a little while back but unfortunately they were not the right kind :(

Overview -- I hid the fan power cables underneath them to tidy it up a little. There is barely enough space.

Drive suspension is cool but it may interfere with the last expansion slot, and also makes wiring quite sloppy.

This is where the grommeted drive sits - right above the PSU.

Unfortunately it looks like it's limited to a single 3.5" HDD.

zoob December 19, 2011 06:58 PM

Scythe Big Shuriken overhanging the DIMM slots:

Clearance between the HSF and GPU

Video card clearance inside the case

zoob December 19, 2011 07:00 PM

Magnetized tip screwdrivers are a MUST for this case. These tiny screws for the DVD bay are a pain. Luckily if you drop a screw it sits on top of the fans.

Case with all internal pieces placed (minus the DVD drive)

bjelko February 20, 2012 02:10 AM


Originally Posted by zoob (Post 581556)
Tiny case is hard to wire! Many pics to follow.

Unfortunately it looks like it's limited to a single 3.5" HDD.

You can use 2 pcs of 3.5" HDD. Use another holes on HDD, and rotate HDD to see SATA/Power conector on this picture. To confirm, look inside manual :-). On final assembly SATA/Power conector will be near PSU in middle of case, not in front of case

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