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Questions tagged [low-power]

20 questions
7
votes
1 answer

External "power brick" style PSUs - are they reliable enough?

Keen to build a quiet, power-efficient always-on HTPC/media server, I've been looking at mini ITX boards that have their own external power-brick style power supply. These appeal because they are silent, do not contribute to heat in the case and…
thomasrutter
  • 2,053
5
votes
4 answers

low-power motherboard for windows home server

Firstly - I've used search, I've run through all the topics tagged with these ones, but couldn't find anything satisfying. I'm trying to build a home server machine, which should be a low-power always-on backup and file sharing station. On the…
domen
  • 451
5
votes
6 answers

What can be used as a low power linux based router/NAS?

I'm looking to replace my Linksys WRT54G router with a slightly more powerful (in terms of processing power) box, but want to keep a low power footprint (ideally 10W or less). My must have requirements are: Wi-fi access point (802.11g) NAT based…
Free Wildebeest
  • 191
4
votes
2 answers

How low-power can a home server get?

I've got quite simple question actually. How green, low-power and efficient x86 home server can I build using consumer parts with rather constrained budget. After looking through some Google hits I've found out that system based on dual-core atom,…
Halik
  • 397
4
votes
1 answer

Can I download files while Windows is sleeping?

Can I? If not is it because in the low energy mode the network card or the hard drives shutdown? If they do is there any way to prevent this (ie. with a custom low energy mode)?
Jader Dias
  • 16,236
3
votes
2 answers

How much CPU power and RAM will I need in a 10 disk array?

I'm planning to build a low-power storage server with many drives. Can I put an Atom based board into this machine? Or even ARM? Will a weak CPU cut into my throughput? What about RAM? I am planning to run Linux and lvm.
isync
  • 331
3
votes
3 answers

Low Voltage USB Ports and USB External HDD Problem

I'm facing a low power USB port issue on my desktop PC. I have a USB 2.5" external harddrive and it does not work with any of the USB ports on the computer case except for one. Also if I use a extension cable with that port, the HDD will not work.…
zforx
  • 255
2
votes
1 answer

Piecing together low-powered hardware for an RS-232 terminal server

I'm working on reconstructing my Cisco lab for training/educational purposes and I found that the actual terminal server I have is dead. I have a couple of 8-port PCI serial cards which would be more than ample for my lab, but I don't want to leave…
Fred
  • 55
2
votes
2 answers

Usefulness of multi-core in the context of power-efficient computing

I'm considering options for a new portable PC. I'd like to keep power utilization at a minimum, while being able to run batch jobs as quickly as possible. Batch jobs I can generally parallelize using xargs in cases where the processing program…
intuited
  • 3,481
1
vote
2 answers

Custom built machine has much higher power consumption than expected

I built a machine according to the specs of a computer magazine (c't, Germany). According to the magazine, the power consumption should be at around 10W. I don't want to go into the specifics of the hardware but rather ask for general advice on…
foraidt
  • 6,628
1
vote
1 answer

Unignorable spoken battery warning on Windows 8

I found this old article on how to give a Mac OS X laptop a battery warning that can't be ignored. I was wondering how I could (if I can) achieve the same thing on Windows (8). Perhaps with Microsoft David/Sam Computer voice bugging me to plug it…
MANICX100
  • 378
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  • 11
1
vote
3 answers

how to build a normally powerful computer with lots of RAM which will consume less then 7W while idle?

The Macbook Pro Model MC374, MC375 from 2010 consumes only 6.6W when idle (without display) when powered with 100V to the power supply. How can I build a modular, high-spec computer which will have similar power consumption when idle - i.e. when…
ria
  • 131
1
vote
1 answer

Running Windows 10 on an i3-3110M processor, any way to reduce OS processing needs for this chip?

A am working on a video monitoring system that will be operating at a remote site using solar power. We are using older laptops running Ivy Bridge processors and Windows 10. We would like to one of the i3 processors to reduce power consumption.…
portsample
  • 135
0
votes
2 answers

Samsung Laptop cuts out at 37% battery life

I use a Samsung i5 (I think, I'm nowhere near the box to check specifics) laptop purchased summer of last year, running Windows 7 with a Quad core and AMD Radeon graphics. I'm pretty gentle with it, and leave it plugged in while using intensive…
Kal
  • 1
0
votes
1 answer

How to make a "Low state CPU" persistent?

I would like to lower my cpu power (at 50%), For doing this I executed the following command: powercfg -setacvalueindex SCHEME_BALANCED SUB_PROCESSOR PROCTHROTTLEMAX 50 powercfg.exe -setactive SCHEME_CURRENT It's okay, but unfortunately only for a…
redscreen
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