This is my rc.local file, I have enable DMA through modules.conf options
ide.cd dma=1.
#!/bin/sh
#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.
if [ -f /etc/redhat-release ]; then
R=$(cat /etc/redhat-release)
arch=$(uname -m)
a="a"
case "_$arch" in
_a*) a="an";;
_i*) a="an";;
esac
NUMPROC=`egrep -c "^cpu[0-9]+" /proc/stat`
if [ "$NUMPROC" -gt "1" ]; then
SMP="$NUMPROC-processor "
if [ "$NUMPROC" = "8" -o "$NUMPROC" = "11" ]; then
a="an"
else
a="a"
fi
fi
# This will overwrite /etc/issue at every boot. So, make any
changes you
# want to make to /etc/issue here or you will lose them when you
reboot.
echo "" > /etc/issue
echo "$R" >> /etc/issue
echo "Kernel $(uname -r) on $a $SMP$(uname -m)" >> /etc/issue
cp -f /etc/issue /etc/issue.net
echo >> /etc/issue
fi
/sbin/hdparm -u1k1d1c3 /dev/hdd
touch /var/lock/subsys/local
When I run /sbin/hdparm -u1k1d1c3 /dev/hdd I enable 32bits syn along
with dma. But when it run in rc.local I get only dma and umask irq.
