--- arch/i386/prefix/boot1a.s	Wed Jun 30 14:16:27 2004
+++ /usr/home/ambrisko/boot1a.s	Thu Jul  1 10:18:17 2004
@@ -1,7 +1,3 @@
-# This code is no longer used in Etherboot.  It is not maintained and
-# may not work.
-
-
 #
 # Copyright (c) 1998 Robert Nordier
 # All rights reserved.
@@ -183,7 +179,10 @@ main.5:		mov %dx,MEM_ARG			# Save args
 		movb $0x2,%dh			# Sector count
 		mov $0x7e00, %bx
 		callw nreadbx			# Read disk
-		movb $0x40,%dh			# Sector count
+		cmpw $0xaa55, 0x7e00+0x200	# rom signature ?
+		jnz booterror
+		movb 0x7e00+0x202,%dh		# Sector count
+		incb %dh
 		movb %dh, %al
 		callw puthex
 		mov $0x7e00, %bx
@@ -192,8 +191,7 @@ main.5:		mov %dx,MEM_ARG			# Save args
 		mov $msg_r1,%si
 		callw putstr
 		pop %si
-		lcall $0x800,$0			# enter the rom code
-		int $0x19
+		ljmp $0x800,$6			# enter the rom code
 
 msg_r1:		.asciz " done\r\n"
 		
