# get install device (0x80 BIOS device)
install_device=$(grep '^(hd0)' "$device_map" | \
sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%')
# get install device (0x80 BIOS device)
install_device=$(grep '^(hd0)' "$device_map" | \
sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%')