Search found 517 matches

by matt_garman
Thu Oct 01, 2009 2:58 pm
Forum: System Advice / Troubleshooting
Topic: NAS / Lightweight HTPC MB options?
Replies: 9
Views: 3989

If you give up the HTPC requirement, consider an Alix board from PCEngines, such as the alix1d . I have an Alix board that I use for my firewall/router/gateway; it only consumes 5 watts AC. The 1d I linked has a two USB ports, so you can connect two external hard drives. Or, it also has a PCI slot, ...
by matt_garman
Wed Sep 09, 2009 4:36 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Anyway, I haven't had time to finish digging into the "maximize parked head time in linux" problem, but you can see the discussion I started on the Linux-RAID mailing list here: "linux disk access when idle" . It's odd that the drive heads should reactivate after 5 mins. My RAID5 array spins down a...
by matt_garman
Tue Sep 08, 2009 7:04 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Not sure how your drives are used. But, I believe you can get the OS to not access those drives when idle by revising your file system setup. Looking at your server setup, I think that you might have some system directories living on these drives eg /var, /tmp, or swap. CentOS and distros based on ...
by matt_garman
Thu Aug 20, 2009 2:46 pm
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I just thought I'd update this to say that I've had the system running stably for a few weeks now. With the Biostar A760G motherboard, 5050e CPU (stock voltage/speed, but using OS-based frequency scaling), 2 x 2 GB of DDR2-5300 ECC RAM, boot from compact flash, four 1 TB WD RE-2 Green drives, Season...
by matt_garman
Fri Jul 31, 2009 12:26 pm
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I've always been curious, though: even if the BIOS doesn't explicitly support ECC, but the CPU does, what happens if you use ECC memory? Maybe it actually does "just work" behind the scenes? I found this page with some Linux ECC utilities (and I'd be surprised if something similar didn't exist for ...
by matt_garman
Fri Jul 31, 2009 4:40 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Re: ECC memory ... how do you know if you need registered or non-registered? [EDIT] Rather, how do I find out what this board accepts? Or does it not matter? ECC nonregistered kits are not expensive at all... I use non-registered. How I know that... I actually didn't put any thought into it; I alre...
by matt_garman
Wed Jul 29, 2009 6:32 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I was also looking for boards with ECC support, and I found Asus is the only manufacturer that makes non-server boards with ECC support. It's good to know that the Biostar also supports ECC, but it seems it's the only one that has ECC support. I'm planning to go with nvidia 8200 because of their be...
by matt_garman
Fri Jul 24, 2009 1:56 pm
Forum: System Advice / Troubleshooting
Topic: low power system with many SATA ports
Replies: 9
Views: 5884

I'm using a Biostar A760G motherboard plus a 5050e CPU. See detailed info in this thread.
by matt_garman
Fri Jul 24, 2009 12:55 pm
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I just read through the manual of the Biostar A760G-M2+ and have a question now: is the default RAM voltage really 1,95V? It seems to be pretty high compared to other boards (1,8V). Or is it just an old bios version? Is it possible to undervolt the RAM or get it at least down to 1,8V? Yes, that's a...
by matt_garman
Fri Jul 24, 2009 7:36 am
Forum: Off Topic
Topic: Polarity of motherboard headers?
Replies: 8
Views: 6656

Look for the common wire color--usually black or white. Then they change the positive wire color on all the various connectors. Quiz time, you have 4 case headers: wire colors are black/red, black/green, black/blue, and black/yellow. Which color is the negative? Black! Edit: saying it with confiden...
by matt_garman
Fri Jul 24, 2009 4:17 am
Forum: Off Topic
Topic: Polarity of motherboard headers?
Replies: 8
Views: 6656

Polarity of motherboard headers?

I've been building and tinkering with computers for years now, yet one thing I've never learned: what is the polarity those connectors that go from the case to the motherboard (e.g. power on/off, reset, power LED, HDD LED, etc)? Usually the motherboard headers are labeled positive/negative. But the ...
by matt_garman
Wed Jul 22, 2009 11:39 am
Forum: Green Computing
Topic: Build system with lowest power consumption
Replies: 8
Views: 10438

Not sure if it's comparing apples with apples, but this chap Adam has built and documented his dual core atom build (mini itx, MSI IM-945GC though not available anywhere in the UK). Like you (and alot of us) he is after a low power always on server. The reason I posted is because he has kindly publ...
by matt_garman
Wed Jul 22, 2009 6:36 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

[EDIT] Looking at the Biostar's manual, it states that ECC memory is NOT supported... ??? [EDIT #2] Never mind - the BIOS manual shows all the ECC options. Don't know why the main manual says it's not supported... I too noticed that the A760G manual says that ECC is not supported, in direct contrad...
by matt_garman
Wed Jul 22, 2009 6:26 am
Forum: Green Computing
Topic: Build system with lowest power consumption
Replies: 8
Views: 10438

What will this server be used for? If you want the max power consumption at load to be 30 watts, you really only have two choices: a fairly extreme underclock + undervolt of a CPU like an AMD Sempron or Intel Celeron; or, get a wimpy CPU such as those from Via, AMD Geode or Intel Atom. Check out thi...
by matt_garman
Fri Jul 17, 2009 2:51 pm
Forum: System Advice / Troubleshooting
Topic: Ultra low-power smoothwall?
Replies: 9
Views: 6264

My vote is for the Alix board. I just bought one myself (the one with three NICs). According to the Kill-a-Watt, it only uses 5 watts. Previously, I was using a Via EPIA-CL600E (with a compact flash card for a hard drive). It used 18 watts. I don't know about the Geode being end-of-life or not, but,...
by matt_garman
Fri Jul 17, 2009 6:06 am
Forum: CPUs and Motherboards
Topic: Recommendation required: Low Power Chip + Mobo
Replies: 15
Views: 7142

I just noticed this thread... It's probably too late to change motherboards, but I'm really excited about the Biostar A760G in terms of low power consumption. However, I am optimizing around the idle case, which is a little different than your application. One thing you should definitely be able to ...
by matt_garman
Wed Jul 15, 2009 5:37 am
Forum: System Advice / Troubleshooting
Topic: Smoke, which component?
Replies: 11
Views: 3641

psiu wrote:Any chance you can get a good up close photo of the cpu area of the motherboard? Maybe the prying SPCR eyes will see something.
Yup, I'm going to try to do that this weekend. Stay tuned...
by matt_garman
Wed Jul 15, 2009 5:36 am
Forum: System Advice / Troubleshooting
Topic: Smoke, which component?
Replies: 11
Views: 3641

Re: Smoke, which component?

Short story: I powered on one of my computers, heard a muffled popping sound ("pffffff"), went to investigate, and saw a little bit of smoke coming from either the motherboard near the VRM circuits, or the PSU. Matt This story is entirely consistent with a capacitor in the VRM failing. On motherboa...
by matt_garman
Wed Jul 15, 2009 5:27 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Re: FSP 250W

FSP250-60GHT http://www.microdirect.co.uk/Home/Product/37961 http://www.watt-power.co.uk/catalogue/watts-fsp25060ght-tfx12v-pn9pa250c702-p-351.html My initial concern is whether a tfx PSU would fit in a micro atx case http://www.newegg.com/Product/Product.aspx?Item=N82E16811173013 It looks like it ...
by matt_garman
Tue Jul 14, 2009 8:47 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

The only component I have so far is Samsung F2 EcoGreen 1.5Tb HDD, I was thinking of buying the Biostar A760G-M2+ along with 5050e CPU (extra headroom). I will also have a standard DVD Burner, for archiving from the NAS drive. I dont anticipate more that 3 HDD eventually, maybe even a max of 2, onl...
by matt_garman
Sat Jul 11, 2009 11:14 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Power supply swap: I put the PicoPSU back with my MythTV media PC where it belongs. I'm now running the 5050e at stock BIOS settings (with C'n'Q enabled), IGP at 150 MHz, and floppy+sound disabled in the BIOS (i.e. same config as a couple posts ago/first post with the 5050e), but with a Seasonic S12...
by matt_garman
Sat Jul 11, 2009 9:42 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I just did a test with my Intel PCIe NIC (based on the power-hungry 82572EI chip). Note that I didn't change anything (hardware, BIOS or otherwise) except adding the NIC. Idle power consumption barely went up, idling around 26--27 watts. However, the interface wasn't activated. When I activated the ...
by matt_garman
Sat Jul 11, 2009 8:31 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I just put in the 5050e. 26 watts idle . And that's not tweaking any CPU clock/voltage settings in the BIOS, just normal Cool'n'Quiet operation. What I did change in the BIOS: lowered internal GPU clock to 150 MHz Disabled sound Disabled floppy With idle power this low, I'm not sure how much I can s...
by matt_garman
Wed Jul 08, 2009 10:24 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Matt do you have any thoughts about an intel based solution. If you ignore the comparable cost of such a build, Would an e7400+ intel mini-itx like Commell LV-678 (Q35 chipset) or G31 biostar m/b be a solid low watt solution? Obviously it would be more powerful than a Biostar/5050e solution but for...
by matt_garman
Tue Jul 07, 2009 11:09 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

I hope it's okay to ask a few questions (first post). I am trying to get my head round the exact same subject; low powered always on ubuntu 9.04 headless server. Welcome to SPCR! I've received a ton of friendly advice and info from folks on this board, so know that you're in good hands. :) I need t...
by matt_garman
Tue Jul 07, 2009 8:55 am
Forum: System Advice / Troubleshooting
Topic: Smoke, which component?
Replies: 11
Views: 3641

Has anyone ever fried a CPU? The power supply is definitely suspect, and Corsair has issued an RMA for it. It may not have any problems, but I'd rather not take any chances with a questionable power supply. But the interesting thing: I put that BE-2350 CPU in the new motherboard I was testing (see t...
by matt_garman
Sun Jul 05, 2009 9:49 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

As a follow-up to my original post: I tested a two-port SATA PCIe x1 card in both PCIe slots on the A760G. Both worked! The hard drive I used was a Samsung HD103SI . I ran dozens of bonnie++ benchmarks. This is the program I used to reliably trigger a reboot when that SATA card was used in the Gigab...
by matt_garman
Sun Jul 05, 2009 9:30 am
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Great! Thanks for your kind sharings. :D You are most welcome! Though lowest wattage may be appealing, I guess motherboard's fan control plays an important role as well. How about Biostar 760G's fan control? Gigabyte 740G can control two fans which is very good considering its price. Besides, I kno...
by matt_garman
Fri Jul 03, 2009 8:52 pm
Forum: CPUs and Motherboards
Topic: Biostar A760G-M2+ - 30W barrier broken
Replies: 119
Views: 147427

Biostar A760G-M2+ - 30W barrier broken

Background: For quite a while now, I've been on the lookout for a motherboard + CPU combination for my ideal fileserver/NAS platform. These requirements are, in rough order of importance: Ability to host at least six SATA drives on a fast bus (i.e. motherboard southbridge, or expansion cards on PCIe...
by matt_garman
Fri Jul 03, 2009 8:10 pm
Forum: System Advice / Troubleshooting
Topic: Smoke, which component?
Replies: 11
Views: 3641

Well, the motherboard appears good. I have other PSUs, but they're all in use. The easiest one to pull from an existing machine was the PicoPSU I use for my media PC... I was really hesitant to put that at risk, but I also have a tendency to do things cowboy style. :) Anyway, the risk appears to hav...