diff -aur sixfireusb-0.6.2/fwinst.sh sixfireusb-0.6.2/fwinst.sh
--- sixfireusb-0.6.2/fwinst.sh	2016-01-13 12:32:46.658997492 +0100
+++ sixfireusb-0.6.2/fwinst.sh	2016-01-13 12:59:59.438633828 +0100
@@ -19,7 +19,7 @@
 # (at your option) any later version.
 #

-export FW_PATH=/lib/firmware
+export FW_PATH=$1/usr/lib/firmware
 export FW_6FIRE_PATH=$FW_PATH/6fire
 cleanup() {
   rm -Rf /tmp/dmx
@@ -63,8 +63,8 @@
 fi
 step_success

-step_begin "Checking MD-5 checksum of windows driver"
-if ! echo "86049155f9326a77329d87f7b027a8b9  /tmp/dmx.exe" | md5sum -c >/dev/null 2>&1 ; then
+step_begin "Checking SHA512 checksum of windows driver"
+if ! echo "4a71d2cbf092b0c13afc4ec475e9b6eca48f68e3ca47cff96ffb71bc51dea09c0b19a0e90150ac40cbcf231bc3570e187dc9cb447c2a309472c1e237d501c5b1  /tmp/dmx.exe" | sha512sum -c >/dev/null 2>&1 ; then
   step_error "Downloaded windows driver has wrong MD-5 checksum."
 fi
 step_success
@@ -80,35 +80,35 @@
 step_success

 step_begin "Extracting firmware files"
-if ! cp '/tmp/dmx/$[153]/$[153]/$[154]_17' /tmp/dmx6fireap.ihx ; then
+if ! cp '/tmp/dmx/$_121_/$_122__17' /tmp/dmx6fireap.ihx ; then
   step_error "Extraction of file 'dmx6fireap.ihx' failed."
 fi

-if ! cp '/tmp/dmx/$[153]/$[153]/$[154]_18' /tmp/dmx6firecf.bin >/dev/null 2>&1 ; then
+if ! cp '/tmp/dmx/$_121_/$_122__18' /tmp/dmx6firecf.bin >/dev/null 2>&1 ; then
   step_error "Extraction of file 'dmx6firecf.bin' failed."
 fi

-if ! cp '/tmp/dmx/$[153]/$[153]/$[154]_16' /tmp/dmx6firel2.ihx >/dev/null 2>&1 ; then
+if ! cp '/tmp/dmx/$_121_/$_122__16' /tmp/dmx6firel2.ihx >/dev/null 2>&1 ; then
   step_error "Extraction of file 'dmx6firel2.ihx' failed."
 fi
 step_success

-step_begin "Checking MD-5 checksums of firmware files"
-if ! echo "fa80973cb8c02097712933bd1d1c23b2  /tmp/dmx6firel2.ihx" | md5sum -c >/dev/null 2>&1 ; then
+step_begin "Checking SHA512 checksums of firmware files"
+if ! echo "6c90f63df6b6a536d5895ac30fcf58ef613ad731d9652f2269f74bae36741527d1ef275d2e50711b0782dfd5e64b0fafcb6c50dcaf5d4910c4200c77ef41ca78  /tmp/dmx6firel2.ihx" | sha512sum -c >/dev/null 2>&1 ; then
   step_error "File 'dmx6firel2.ihx' has wrong MD-5 checksum."
 fi

-if ! echo "7497b6b80d43e68f13b6929934ab60f4  /tmp/dmx6fireap.ihx" | md5sum -c >/dev/null 2>&1; then
+if ! echo "2b10c9348cf7ad4296141dd16db0e1b6298020ee5467cc80836f597d5f8d6b01a8276c44a446462de554cf562a11b98de63ae4852dd7ca04408dca5f5cc227c5  /tmp/dmx6fireap.ihx" | sha512sum -c >/dev/null 2>&1; then
   step_error "File 'dmx6fireap.ihx' has wrong MD-5 checksum."
 fi

-if ! echo "a65eecc11adc87af7307f5266ad31d65  /tmp/dmx6firecf.bin" | md5sum -c >/dev/null 2>&1 ; then
+if ! echo "ddef0fbeff9e15e0bdcbfff8767c49adb3a0f08b68c0bcf1e38e666b03a2bafef672a2bec0918a75780ebaa477627ef639443d0adeaeacea3d56af1b66acb85f  /tmp/dmx6firecf.bin" | sha512sum -c >/dev/null 2>&1 ; then
   step_error "File 'dmx6firecf.bin' has wrong MD-5 checksum."
 fi
 step_success

 step_begin "Installing firmware files"
-if ! mkdir -p $FW_6FIRE_PATH >/dev/null 2>&1 ; then
+if ! install -dm755 $FW_6FIRE_PATH >/dev/null 2>&1 ; then
   step_error "Creation of firmware path failed. Are you root?"
 fi