On 08/18/2010 02:36 AM, Suvayu Ali wrote: > On Tuesday 17 August 2010 10:27 PM, Thomas Cameron wrote: >> Say, hypothetically, I have 8 identical Intel DG45ID motherboard-based >> system with 8GB memory and a single drive with a cheap-o generic 300w >> power supply. > > That is seriously overloaded I would say! Every motherboard should draw > about 40~60W depending on the CPU and RAM you have on each of them! In > the past I have damaged hard drives by stressing the PSU. (I had too > many drives on one cable) > > To keep stress on the PSU low, hardware review sites like Anandtech > recommend running at the 60~80% mark of a PSU's power rating. That is > the most efficient region for most PSU makes. > > I would recommend you to look at the ampere and voltage ratings for all > the components you have, and calculate the needed power for the components. > > Power needed (W) = Ampere rating (A) x voltage rating (V) > > Also it is very important to not overload any of the particular rails. > e.g. If one of the 12V rails for your PSU is rated at 120W then take > care to put components such that the ampere ratings of all of them add > up to 10A. (120W/12V = 10A) > > Hope this helps. > I've replaced all the PSUs with 500 watt units. I was really more worried about whether I did any permanent damage to any of the system components. TC -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
