*** msdos.h.bak	Thu Sep 10 18:59:13 1992
--- msdos.h	Fri Oct 28 08:43:31 1994
***************
*** 49,55 ****
  	unsigned char nheads[2];	/* Heads */
  	unsigned char nhs[4];		/* number of hidden sectors */
  	unsigned char bigsect[4];	/* big total sectors */
! 	unsigned char junk[476];	/* who cares? */
  };
  
  typedef void SIG_TYPE;
--- 49,56 ----
  	unsigned char nheads[2];	/* Heads */
  	unsigned char nhs[4];		/* number of hidden sectors */
  	unsigned char bigsect[4];	/* big total sectors */
! 	unsigned char junk[474];        /* who cares? */
! 	unsigned char signat[2];        /* 0xaa55 */
  };
  
  typedef void SIG_TYPE;
*** mformat.c.bak	Fri Oct 28 08:41:08 1994
--- mformat.c	Fri Oct 28 08:44:48 1994
***************
*** 210,215 ****
--- 210,217 ----
  	boot.nsect[1] = sectors / 0x100;
  	boot.nheads[0] = heads % 0x100;
  	boot.nheads[1] = heads / 0x100;
+ 	boot.signat[0] = 0x55;
+ 	boot.signat[1] = 0xaa;
  
  					/* write the boot */
  	lseek(fd, (off_t) 0, 0);