diff -ru linux-source-2.6.18/arch/ia64/hp/sim/boot/fw-emu.c linux-2.6.18/arch/ia64/hp/sim/boot/fw-emu.c
--- linux-2.6.18.orig/arch/ia64/hp/sim/boot/fw-emu.c	2006-09-20 04:42:06.000000000 +0100
+++ linux-2.6.18/arch/ia64/hp/sim/boot/fw-emu.c	2007-11-26 08:11:19.000000000 +0000
@@ -349,7 +344,8 @@
 	/* simulate free memory at physical address zero */
 	MAKE_MD(EFI_BOOT_SERVICES_DATA,		EFI_MEMORY_WB,    0*MB,    1*MB);
 	MAKE_MD(EFI_PAL_CODE,			EFI_MEMORY_WB,    1*MB,    2*MB);
-	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB,    2*MB,  130*MB);
+//	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB,    2*MB,  130*MB);
+	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB,    2*MB, 1154*MB);
 	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB, 4096*MB, 4128*MB);
 #else
 	MAKE_MD( 4,		   0x9, 0x0000000000000000, 0x0000000000001000);