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Rockbox mail archiveSubject: Re: DRAM 2MB -> DRAM 8MBRe: DRAM 2MB -> DRAM 8MB
From: Vladimir Pantelic <pan_at_nt.tu-darmstadt.de>
Date: Tue, 17 Sep 2002 12:03:33 +0200 Uwe Freese wrote: > Hello Vladimir, > > Vladimir Pantelic wrote on Tuesday, September 17, 2002, 10:00:03 AM: > > >>>>2 MB : 50mA + 300mA * 2/100 + 500 * 3/100 = 71mA average >>>>8 MB : 50mA + 300mA * 4/450 + 500 * 3/450 = 56mA average > > > The correct power consumptions, as I measured (Recorder 20), are: > > HDD off, LED off, idle 94 mA > HDD off, LED off, play 97 mA > HDD off, LED on, idle 129 mA > HDD off, LED on, play 131 mA > HDD on, LED on, play 230 mA > HD on, reading, LED off ~ 600 mA > HD spin up before read max 800 mA So we have: 2MB: 100mA + 600mA * 2/100 + 800 * 3/100 = 136mA 8MB: 100mA + 600mA * 4/450 + 800 * 3/450 = 110mA -> 20% less So this is the theoretical value, let's see how much it is in real life. Regards, Vladimir Received on 2002-09-17 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |