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Man Pages
mbmon(1) FreeBSD General Commands Manual mbmon(1)

mbmon - MotherBoard Monitor

mbmon [options] <seconds for sleep> (default 5 sec)
This manual page documents briefly the mbmon command. This manual page was written for the Debian distribution because the original program does not have a manual page.
Recent motherboards have functionalities to monitor the CPU temperatures and the frequency of CPU cooling fans etc. Although some programs utilizing these hardware monitoring facilities have been developed for the Microsoft Windows platforms, no programs seem to exist for PC-UNIX and the X Windows System platforms.
mbmon used at the command line reports the temperatures, voltages and rpm (rounds per minute) of cooling fans. It can also be used remotly via telnet, thanks to the "-P" option.

Show summary of options.
-V, -S, -I, -A
Access method (using "VIA686 HWM directly"|"SMBus"|"ISA I/O port"|"All this methods").
Debug mode (any other options except (V|S|I) will be ignored).
-e [0-2]
set extra temperature sensor to temp. Need -A.
-p chip
For probing chips. chip=winbond|wl784|via686|it87|gl52|lm85|lm80|lm90|lm75
For Tyan Tiger MP/MPX motherboard.
Display temperature in Fahrenheit.
-c count
Repeat <count> times and exit.
-P port
Run in daemon mode, using given port for clients.
-T|F [1-7]
print Temperature|Fanspeed according to following styles:

style1: data1

style2: data2

style3: data3

style4: data10ata2

style5: data10ata3

style6: data20ata3

style7: data10ata20ata3
Print TAG and Value format.
Print system uptime.
Print present time.
-n, -N
print hostname (long|short style).
Print integers in the summary (with -T option).

mbmon -P 11000; telnet localhost 11000; sudo killall mbmon
mbmon -c1
mbmon 1 (yeah, real time baby !)


This manual page was written by Nicolas Rueff <>, for the Debian project (but may be used by others).
November 10, 2003

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