On 08/18/2010 08:04 AM, Gene Heskett wrote: > On Wednesday, August 18, 2010 08:52:41 am Thomas Cameron did opine: > >> 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. All running Linux, so sorta on-topic. >> >> Say those systems have been running for over a year, but lately they've >> been really flaky. Random lockups, sometimes they boot with garbage >> characters on the screen instead of the normal OS boot, sometimes they >> hang at various parts of the boot sequence, spontaneous reboots when >> kickstarting. >> >> Say the Antec web site says I need more like a 350w power supply, and I >> read somewhere that PSUs tend to age and get less efficient over time, >> so I am guessing that I've been starving these things for juice for >> weeks or maybe months. >> >> Hypothetically, could I have actually damaged these systems if the PSU >> was under-powered? Or would a new, higher powered PSU fix the problems >> I've seen? >> >> I would guess that too much juice might hurt the systems, but would too >> little actually damage anything? >> >> I know it's not thermal, they're in a very cold room with dedicated HVAC >> and the airflow is great. > > But is it clean? The cpu fan could be full of dust bunnies by now. > >> Hoping someone who knows more about electronics can chime in. >> >> Thanks >> Thomas > > As a C.E.T. with 60 years of chasing electrons for a living, I would tend > to agree with your thoughts, with one exception. Antec. I have had, over > the last decade, much better luck with the PSU's I can get for $20-$40 from > the importers than I ever had with Antec. Every Antec I ever bought was in > the recycle bin by the time the so-called warranty was used up, or within a > couple of months later from low voltage output. I have 4 HD's totalling > 3.5TB in this system, and the 350 watt hi-pro brand psu in it is at least 2 > years old& still running great, and its voltages have not faded a bit in > that 2+ years. Thanks, Gene, much appreciated. I've upgraded to 500w PSUs. Do you think I did any damage to the system components? -- 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