Temperature sensors reading surface of the Sun temps

Nickr · Wed Dec 22, 2004 11:22 pm

Cant seem to find any ryhme or reason to it, but every so often, the temperature sensors go buggy and give ridiculously high temps. A reboot fixes the problem for a short time (couple of days), but it continues to happen. This is not a mjor issue but it would obviously be nice to get proper data from these sensors without rebooting so often.

Any suggestions?

Thanks

Nick

Thu Dec 23, 2004 10:33 am

do you have the latest BIOS on the boards? 1.3.3 ?

Nickr · Thu Dec 23, 2004 3:14 pm

Sorry, yes, it is 1.3.3.

UniKyrn · Tue Jan 11, 2005 2:50 am

I'm seeing the same thing on a bunch of RB230's I'm graphing the temp of. Within a few days of any reboot, the LM87's start returning what looks a lot like 0xFFFFFFFF (-1) both in winbox and SNMP. They're all running the 1.3.3 firmware and 2.8.22 OS.

tully · Tue Jan 11, 2005 10:44 am

The SMBus(I2C) connects the watchdog/monitor chip to the CPU and become unstable after some time. We are adding addtitional code to check the output we get and that should be in some newer versions. We will have a newer version of the RB200 series our in a few months -- and we will see if we can change some resistors to improve the SMBus stability.

John

Temperature sensors reading surface of the Sun temps

Temperature sensors reading surface of the Sun temps

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