=== modified file 'commands/i386/pc/vbeinfo.c'
--- commands/i386/pc/vbeinfo.c	2008-08-31 08:28:36 +0000
+++ commands/i386/pc/vbeinfo.c	2008-09-01 05:36:39 +0000
@@ -57,6 +57,7 @@
                controller_info.version & 0xFF,
                controller_info.oem_software_rev >> 8,
                controller_info.oem_software_rev & 0xFF);
+  /* The total_memory field is in 64 KiB units.  */
   grub_printf ("            total memory: %d KiB\n",
                (controller_info.total_memory << 16) / 1024);
 
@@ -90,32 +91,32 @@
 	  continue;
 	}
 
-      if ((mode_info_tmp.mode_attributes & 0x001) == 0)
+      if ((mode_info_tmp.mode_attributes & GRUB_VBE_MODEATTR_SUPPORTED) == 0)
 	/* If not available, skip it.  */
 	continue;
 
-      if ((mode_info_tmp.mode_attributes & 0x002) == 0)
+      if ((mode_info_tmp.mode_attributes & GRUB_VBE_MODEATTR_RESERVED_1) == 0)
 	/* Not enough information.  */
 	continue;
 
-      if ((mode_info_tmp.mode_attributes & 0x008) == 0)
+      if ((mode_info_tmp.mode_attributes & GRUB_VBE_MODEATTR_COLOR) == 0)
 	/* Monochrome is unusable.  */
 	continue;
 
-      if ((mode_info_tmp.mode_attributes & 0x080) == 0)
+      if ((mode_info_tmp.mode_attributes & GRUB_VBE_MODEATTR_LFB_AVAIL) == 0)
 	/* We support only linear frame buffer modes.  */
 	continue;
 
-      if ((mode_info_tmp.mode_attributes & 0x010) == 0)
+      if ((mode_info_tmp.mode_attributes & GRUB_VBE_MODEATTR_GRAPHICS) == 0)
 	/* We allow only graphical modes.  */
 	continue;
 
       switch (mode_info_tmp.memory_model)
 	{
-	case 0x04:
+	case GRUB_VBE_MEMORY_MODEL_PACKED_PIXEL:
 	  memory_model = "Packed";
 	  break;
-	case 0x06:
+	case GRUB_VBE_MEMORY_MODEL_DIRECT_COLOR:
 	  memory_model = "Direct";
 	  break;
 
@@ -134,7 +135,7 @@
                    memory_model);
 
       /* Show mask and position details for direct color modes.  */
-      if (mode_info_tmp.memory_model == 0x06)
+      if (mode_info_tmp.memory_model == GRUB_VBE_MEMORY_MODEL_DIRECT_COLOR)
         grub_printf (", mask: %d/%d/%d/%d  pos: %d/%d/%d/%d",
                      mode_info_tmp.red_mask_size,
                      mode_info_tmp.green_mask_size,

=== modified file 'include/grub/i386/pc/vbe.h'
--- include/grub/i386/pc/vbe.h	2008-01-01 12:02:07 +0000
+++ include/grub/i386/pc/vbe.h	2008-09-01 05:34:40 +0000
@@ -30,9 +30,30 @@
 /* VBE status codes.  */
 #define GRUB_VBE_STATUS_OK		0x004f
 
-/* VBE memory model types.  */
-#define GRUB_VBE_MEMORY_MODEL_PACKED_PIXEL	0x04
-#define GRUB_VBE_MEMORY_MODEL_DIRECT_COLOR	0x06
+/* Bits from the GRUB_VBE "mode_attributes" field in the mode info struct.  */
+#define GRUB_VBE_MODEATTR_SUPPORTED                 (1 << 0)
+#define GRUB_VBE_MODEATTR_RESERVED_1                (1 << 1)
+#define GRUB_VBE_MODEATTR_BIOS_TTY_OUTPUT_SUPPORT   (1 << 2)
+#define GRUB_VBE_MODEATTR_COLOR                     (1 << 3)
+#define GRUB_VBE_MODEATTR_GRAPHICS                  (1 << 4)
+#define GRUB_VBE_MODEATTR_VGA_COMPATIBLE            (1 << 5)
+#define GRUB_VBE_MODEATTR_VGA_WINDOWED_AVAIL        (1 << 6)
+#define GRUB_VBE_MODEATTR_LFB_AVAIL                 (1 << 7)
+#define GRUB_VBE_MODEATTR_DOUBLE_SCAN_AVAIL         (1 << 8)
+#define GRUB_VBE_MODEATTR_INTERLACED_AVAIL          (1 << 9)
+#define GRUB_VBE_MODEATTR_TRIPLE_BUF_AVAIL          (1 << 10)
+#define GRUB_VBE_MODEATTR_STEREO_AVAIL              (1 << 11)
+#define GRUB_VBE_MODEATTR_DUAL_DISPLAY_START        (1 << 12)
+
+/* Values for the GRUB_VBE memory_model field in the mode info struct.  */
+#define GRUB_VBE_MEMORY_MODEL_TEXT           0x00
+#define GRUB_VBE_MEMORY_MODEL_CGA            0x01
+#define GRUB_VBE_MEMORY_MODEL_HERCULES       0x02
+#define GRUB_VBE_MEMORY_MODEL_PLANAR         0x03
+#define GRUB_VBE_MEMORY_MODEL_PACKED_PIXEL   0x04
+#define GRUB_VBE_MEMORY_MODEL_NONCHAIN4_256  0x05
+#define GRUB_VBE_MEMORY_MODEL_DIRECT_COLOR   0x06
+#define GRUB_VBE_MEMORY_MODEL_YUV            0x07
 
 /* Note: