--- trunk/installer-simple/bin/installer.sh.in	2015/07/31 11:13:02	2891
+++ trunk/installer-simple/bin/installer.sh.in	2015/07/31 11:40:56	2892
@@ -202,6 +202,32 @@
 		export GRUBLEGACYOPTS=""
 	fi
 
+	# check for i845 Chipsets and enable KMS and use 915 drm driver later in initrd
+	if [[ ! -z $(echo "${hwinfo}" | grep -i i845) ]]
+	then
+		export SPECIALDEVICE="i845"
+		# unset default video=1024x768 opt or the drm driver breaks
+		export KERNELOPTS="quiet"
+		export GRUBLEGACYOPTS=""
+		# enable full kms support
+		export GRUB2GFXPAYLOAD="keep"
+	fi
+
+	# check for radeon gfxcards
+	if [[ ! -z $(echo "${hwinfo}" | grep -i radeon) ]]
+	then
+		# enable full kms support
+		export GRUB2GFXPAYLOAD="keep"
+	fi
+
+	# requires nomsi to prevent massive IRQ error spam
+	# see: http://ubuntuforums.org/showthread.php?t=1234983
+	if [[ ! -z $(echo "${hwinfo}" | grep -i 'P5VD2-X') ]] || [[ ! -z $(echo "${hwinfo}" | grep -i 'VT8237') ]] || [[ ! -z $(echo "${hwinfo}" | grep -i 'VX700') ]]
+	then
+		export SPECIALDEVICE="nomsi"
+		export KERNELOPTS="${KERNELOPTS} pci=nomsi,noaer"
+	fi
+
 	# check for special devices/clients:
 	# check for laptops and activate cpufreq scaling
 	if [[ $(echo "${hwinfo}" | grep 'Formfactor:' | sed 's:.*Formfactor\:\ \"\(.*\)\":\1:') = laptop ]]
@@ -540,6 +566,9 @@
 		zotac*) message+=$"\n\Z2Zotac device detected.\Zn" ;;
 		rangee) message+=$"\n\Z2Rangee device detected.\Zn" ;;
 		maxdata) message+=$"\n\Z2Maxdata device detected.\Zn" ;;
+		i845) message+=$"\n\Z2Intel i845 VGA device detected.\Zn" ;;
+		nomsi) message+=$"\n\Z2Mainboard with P5VD2-X/VT8237/VX700 chipset detected.\Zn"
+			message+=$"\n\Z2Disabling Message Signaled Interrupts (MSI) capability of the kernel.\Zn" ;;
 		*) message+=$"\n\ZnCommon device detected.\Zn" ;;
 	esac
 	if [[ ${FORMFACTOR} = laptop ]]