diff --git a/syslinux-3.63.diff b/syslinux-3.63.diff
index b08956e..b232911 100644
--- a/syslinux-3.63.diff
+++ b/syslinux-3.63.diff
@@ -2352,7 +2352,12 @@
  gfx_init_40:
 --- gfxboot.inc
 +++ gfxboot.inc
-@@ -337,7 +337,7 @@
+@@ -333,11 +333,12 @@
+ 						;     0: SHIFT pressed
+ 						;     1: skip gfxboot
+ 						;     2: skip monitor detection
++						;     3: leave a20 untouched
+ gfx_sysconfig_size	db gfx_sysconfig_end-gfx_sysconfig	;  4: size of sysconfig data
  gfx_boot_drive		db 0			;  5: BIOS boot drive
  gfx_callback		dw gfx_cb		;  6: offset to callback handler
  gfx_bootloader_seg	dw 0			;  8: code/data segment used by bootloader; must follow gfx_callback
@@ -2361,7 +2366,7 @@
  gfx_user_info_0		dd 0			; 12: data for info box
  gfx_user_info_1		dd 0			; 16: data for info box
  gfx_bios_mem_size	dd 0			; 20: BIOS memory size (in bytes)
-@@ -366,6 +366,8 @@
+@@ -366,6 +367,8 @@
  ;
  gfx_get_sysconfig:
  		push ax
@@ -2370,3 +2375,54 @@
  		mov al,[DriveNumber]
  		mov [gfx_boot_drive],al
  
+@@ -407,6 +410,13 @@
+ 		test byte [gfx_failsafe],2
+ 		jnz gfx_init_80
+ 
++		test byte [gfx_failsafe],8
++		jnz gfx_init_20
++		pushad
++		call enable_a20
++		popad
++gfx_init_20:
++
+ 		call highmemsize
+ 
+ 		; setup extended memory areas
+@@ -417,10 +427,16 @@
+ 		shr eax,20
+ 		cmp ax,16
+ 		jb gfx_init_40			; at least 16MB
+-		mov word [gfx_xmem_0], 81h	; 1MB at 8MB
++
++		mov word [gfx_xmem_0], 88h	; 8MB at 8MB	(a20 enabled)
++
++		test byte [gfx_failsafe],8
++		jz gfx_init_30
++		mov word [gfx_xmem_0], 81h	; 1MB at 8MB	(a20 disabled)
+ 		mov word [gfx_xmem_1],0a1h	; 1MB at 10MB
+ 		mov word [gfx_xmem_2],0c1h	; 1MB at 12MB
+ 		mov word [gfx_xmem_3],0e1h	; 1MB at 14MB
++gfx_init_30:
+ 
+ 		mov dword [gfx_save_area1],7f0000h	; 8MB-64k
+ gfx_init_40:
+@@ -1103,6 +1119,10 @@
+ 		test byte [gfx_failsafe],2
+ 		jnz ask_user_90
+ 
++		mov dx,8
++		mov si,failsafe_msg_3
++		call ask_question
++
+ 		mov dx,4
+ 		mov si,failsafe_msg_2
+ 		call ask_question
+@@ -1156,6 +1176,7 @@
+ failsafe_msg_0	db 13, 10, 10, 10, 0
+ failsafe_msg_1	db 'Load boot graphics', 0
+ failsafe_msg_2	db 'Detect display size', 0
++failsafe_msg_3	db 'Enable A20', 0
+ 
+ failsafe_key	db 0, 13, 10, 0
+ 
diff --git a/syslinux.changes b/syslinux.changes
index 51f758e..e7f5782 100644
--- a/syslinux.changes
+++ b/syslinux.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Nov  4 16:57:17 CET 2008 - snwint@suse.de
+
+- gfxboot: increase usable mem size to 8MB
+
 -------------------------------------------------------------------
 Fri Oct 17 08:52:44 CEST 2008 - olh@suse.de
 
diff --git a/syslinux.spec b/syslinux.spec
index 839ac78..fbc5f8f 100644
--- a/syslinux.spec
+++ b/syslinux.spec
@@ -30,7 +30,7 @@ Requires:       mtools
 AutoReqProv:    on
 Summary:        Boot Loader for Linux
 Version:        3.63
-Release:        43
+Release:        44
 Source:         %{name}-%{version}.tar.bz2
 Source1:        isolinux-config
 Patch:          %{name}-%{version}.diff
@@ -76,6 +76,8 @@ rm -rf $RPM_BUILD_ROOT/%{_datadir}/syslinux/com32
 %{_datadir}/syslinux
 
 %changelog
+* Tue Nov 04 2008 snwint@suse.de
+- gfxboot: increase usable mem size to 8MB
 * Fri Oct 17 2008 olh@suse.de
 - add ExclusiveArch x86 x86_64
 * Thu Oct 16 2008 snwint@suse.de