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

