Voltage monitor on Supermicro motherboards

A

aupanner

Hi all, Just up and running with a new (to me) Supermicro X9SCA motherboard. The bios supports voltage monitoring via a Nuvoton NCT6776F IC. Is there anything on the FreeBSD side that can display these values?

sysutils/bsdhwmon supports some older chips, but nothing in the X9 board world.

sysutils/superiotool can dump the NCT6776F registers but isn't into pretty formatting.

Suggestions?
 
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Doesn't this just provide the info via IPMI? That's how I access it on a Supermicro board. Here's how I do it.

Install
pkg install sysutils/ipmitool

Add ipmi(4) kernel module prerequisite to boot time kernel module load list in /etc/rc.conf.
sysrc kld_list="`sysrc -ni kld_list` ipmi"

Load ipmi(4) kernel module now
kldload ipmi

Show the values
ipmitool sdr

Also, here is a script I used for monitoring in net-mgmt/collectd5.
Code: 
#!/bin/sh
# Exec script for collectd to read IPMI data
HOSTNAME="${COLLECTD_HOSTNAME:-`hostname -s`}"
INTERVAL="${COLLECTD_INTERVAL:-60}"
while sleep "$INTERVAL"
    /usr/local/bin/ipmitool -c sdr \
       | awk -F',' -v HOSTNAME=$HOSTNAME -v INTERVAL=$INTERVAL \
       '/(degrees|Volts|RPM)/ \
       { gsub (/ /, "");
         print "PUTVAL", HOSTNAME"/exec-hwsensors/gauge-ipmi/"$1, "interval="INTERVAL, "N:"$2 }'
done
 
Supermicro and Tyan boards pretty unique: they often have used non-standard formulas
for calculation voltage, temperature and even fans RPMs. Also often these boards have
two HWM chips inside! I prefer to write HWM program myself (I have written hwm program
for my old Tyan S2466 and S2505 boards). However for making program, needs to get
motherboard into my hands and datasheet for HWM chip(s).

Unfortunately I have no your motherboard(or even similar it). If you need temperature
values, maybe to try out read cores temperatures by coretemp.ko module?
 
Unfortunately no IPMI on my board, so that route is out.

I did find some (politics) regarding a port of OpenBSD's sensors framework to FreeBSD; perhaps I'll take a look at porting that to a current rev.

Another place to start might be http://openhardwaremonitor.org/ which has code extracting data from the chip in question.
 
aupanner said:
I did find some (politics) regarding a port of OpenBSD's sensors framework to FreeBSD; perhaps I'll take a look at porting that to a current rev.
Click to expand...
You can start by looking at DragonFlyBSD port of OpenBSD sensorsd daemon. That should give you a good idea how to port it to FreeBSD. The another option is try to finish native FreeBSD hw sensor framework http://bsdhwmon.koitsu.org/ which never got finished due to the politics. I guess FreeBSD alpha males prefer buggy security ridden IPMI :(
 
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