mbr_ho.bin: install instructions

diff --git a/mbr/mbr_ho.S b/mbr/mbr_ho.S
index 48220c2..18a5376 100644 (file)
--- a/mbr/mbr_ho.S
+++ b/mbr/mbr_ho.S
@@ -39,6 +39,17 @@
  * This should (hopefully) be only 8086 code
  */
 
+/*
+ * Install instructions (assuming your target is /dev/dev; file or block device):
+ *
+ * MBR:
+ * dd conv=notrunc bs=440 count=1 if=mbr_ho.bin of=/dev/dev
+ *
+ * VBR/PBR (works for FAT12/16/32, ext[234]fs, btrfs):
+ * echo -en "\0353\0130\0220" |dd conv=notrunc bs=1 count=3 of=/dev/dev
+ * dd conv=notrunc bs=2 count=210 seek=45 if=mbr_ho.bin of=/dev/dev
+ */
+
 // #define DEBUG_MARKER1       /* Insert markers in binary */
 // #define DEBUG_START /* Print entry addresses at start */
 // #define DEBUG_LOADE /* movw versus pop */