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Mick <michaelkintzios@×××××.com> [13-08-25 13:44]: |
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> On Sunday 25 Aug 2013 11:35:29 meino.cramer@×××.de wrote: |
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> > Paul Colquhoun <paulcol@×××××××××××××××××.au> [13-08-25 12:04]: |
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> > > On Sun, 25 Aug 2013 06:04:13 meino.cramer@×××.de wrote: |
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> > > > Hi, |
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> > > > |
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> > > > There are two RTCs in my system: |
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> > > > /dev/rtc0 and /dev/rtc1 |
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> > > > |
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> > > > rtc0 is not powered by a battery and forgets time/date |
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> > > > with system shutdown and rtc1 is a I2C-rtc (DS3231) which |
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> > > > is powered by a battery. It is extremly accurate in comparison |
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> > > > with rtc0. |
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> > > > |
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> > > > rtc0 is accessible with system boot - rtc1 is not (current state). |
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> > > |
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> > > I know this might be obvious, but just in case: |
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> > > |
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> > > Have you checked to see if the dud RTC can be disabled in the BIOS? |
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> > > |
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> > > Or completely remove its drivers from the kernel? |
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> > |
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> > Hi Paul, |
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> > |
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> > I cannot remove rtc0 since it is integrated into the CPU. I cannot |
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> > remove the CPU for various reasons... ;) |
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> > |
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> > I put the script (see previous mail) into /etc/init.d and call it now |
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> > at sysinit times. This works so far...but I still have entries in /sys |
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> > and /proc which show 1.1.1970. |
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> > |
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> > Is there any way to get rid of the need to use "echo..bla..bla" into |
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> > files of the sysfs but to give the kernel the needed informations |
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> > directly, so rtc1 is available to the kernel...? |
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> |
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> I noticed you mentioned rtc0 is not powered by a battery, but that's what the |
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> CMOS battery does. I'm curious why you don't add a new CMOS battery to your |
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> MoBo? |
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> -- |
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> Regards, |
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> Mick |
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|
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Hi Mick, |
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|
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this "MoBo" has neither a BIOS and therefore no BIOS battery. |
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I added the DS3231 rtc myself to get a battery buffered rtc. |
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|
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Best regards, |
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mcc |