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#!/bin/sh
#
# Test the SMM BIOS.
#
# Note on 04 Mar 2017: Test file kept in the source code as a reference to an old smm
# tool that no longer works in recent kernels. smm tool must be reimplemented inside
# the dell-smm-hwmon kernel module.
#
# WARNING!!! READ CAREFULLY BEFORE USING THIS PROGRAM!!!
#
# THIS PROGRAM IS VERY DANGEROUS. IT CAN CRASH YOUR COMPUTER, DESTROY DATA
# ON THE HARDISK, CORRUPT THE BIOS, PHYSICALLY DAMAGE YOUR HARDWARE AND
# MAKE YOUR COMPUTER TOTALLY UNUSABLE.
#
# DON'T USE THIS PROGRAM UNLESS YOU REALLY KNOW WHAT YOU ARE DOING. I WILL
# NOT BE RESPONSIBLE FOR ANY DIRECT OR INDIRECT DAMAGE CAUSED BY USING THIS
# PROGRAM.
PROG_VERSION="v1.6 12/11/2001"
echo "smm-test $PROG_VERSION"; echo
if [ ! -x ./smm ]; then
echo "smm program not found" >&2
exit 1
fi
if [ $EUID != 0 ]; then
echo "you must be root to run this script" >&2
exit 1
fi
echo "DELL signature, should return eax=44494147 and edx=44454c4c"
./smm ffa3
echo "BIOS version, should return eax=00413137 or something like that"
./smm 00a6
echo "Power status, should return al=05 on ac power, 01 on battery"
./smm 0069
echo "Cpu temperature, should return al=temperature"
./smm 10a3
echo "Set right fan to low speed"
./smm 01a3 0100
sleep 3
echo "Set right fan to high speed"
./smm 01a3 0200
sleep 3
echo "Get right fan status, should return al=status"
./smm 00a3 0000
echo "Get right fan speed, should return al=rpm/30"
./smm 02a3 0000
echo "Set right fan off"
./smm 01a3 0000
sleep 1
echo "Set left fan to low speed"
./smm 01a3 0101
sleep 3
echo "Set left fan to high speed"
./smm 01a3 0201
sleep 3
echo "Get left fan status, should return al=status"
./smm 00a3 0001
echo "Get left fan speed, should return al=rpm/30"
./smm 02a3 0001
echo "Set left fan off"
./smm 01a3 0001
sleep 1
echo "Volume buttons, ah should change if a button is pressed"
for i in `seq 1 10`; do
sleep 1
./smm 0025
done
# end of file
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