[CentOS] SSD support in C5 and C6

John R Pierce pierce at hogranch.com
Fri Jul 19 17:01:56 UTC 2013


On 7/19/2013 5:51 AM, Darr247 wrote:
> On 2013-07-19 3:54 AM, Gordon Messmer wrote:
>> >Regardless of your storage, your system should be powered by a
>> >monitored UPS. Verify that it works, and the drive's cache shouldn't
>> >be a major concern.
> It should also be a 'true sine wave' output when running on battery.
> Many UPS units output a 'stepped approximation' (typically pulse width
> modulation), which some computer power supplies may not like.

virtually all PC and server power supplies now days are 'switchers', and 
could care less what the input wave form looks like.   they full wave 
rectify the input voltage to DC, then chop it at 200Khz or so and run it 
through a toroidal transformer to generate the various DC voltages.


-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast




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