Date: Sun, 20 Jul 2014 09:48:28 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: ZedBoard: bcrypt On Sun, Jul 20, 2014 at 09:36:13AM +0400, Solar Designer wrote: > 0.0058/0.01*12 = 6.96 W > 0.0070/0.01*12 = 8.40 W > > so the idle to load delta is about 1.44 W. (BTW, this is about 1.44 A > extra at 1.0 V, which slightly exceeds that voltage regulator's maximum > of 1.3 A according to docs for ZedBoard, but is below the 2 A maximum > specified for this output of the Maxim chip.) Of course, there's some loss in the voltage regulator, and some of the extra current draw might be from other than the 1.0 V rail - so "1.44 A extra at 1.0 V" is the maximum there can be. But on the other hand, there's some current draw from the 1.0 V rail when the system is idle as well, so the total might reach or exceed this 1.44 A figure. Alexander
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