diff -up grub-0.97/stage2/pc_slice.h~ grub-0.97/stage2/pc_slice.h
--- grub-0.97/stage2/pc_slice.h~	2009-03-30 21:21:04.000000000 +0100
+++ grub-0.97/stage2/pc_slice.h	2009-03-30 21:26:17.000000000 +0100
@@ -116,6 +116,7 @@
 #define PC_SLICE_TYPE_VSTAFS		0x9e
 #define PC_SLICE_TYPE_DELL_UTIL		0xde
 #define PC_SLICE_TYPE_GPT              0xee
+#define PC_SLICE_TYPE_EFI		0xef
 #define PC_SLICE_TYPE_LINUX_RAID	0xfd
 
 
@@ -130,7 +131,8 @@
      || _type == PC_SLICE_TYPE_FAT16_LBA \
      || _type == PC_SLICE_TYPE_FAT32 \
      || _type == PC_SLICE_TYPE_FAT32_LBA \
-     || _type == PC_SLICE_TYPE_DELL_UTIL; })
+     || _type == PC_SLICE_TYPE_DELL_UTIL \
+     || _type == PC_SLICE_TYPE_EFI; })
 
 #define IS_PC_SLICE_TYPE_EXTENDED(type)	\
   (((type) == PC_SLICE_TYPE_EXTENDED)	\