diff -r 37d18b671fcb tools/firmware/rombios/rombios.c
--- a/tools/firmware/rombios/rombios.c	Thu Dec 25 11:06:04 2008 +0900
+++ b/tools/firmware/rombios/rombios.c	Thu Dec 25 11:11:44 2008 +0900
@@ -10473,8 +10473,6 @@
   add  al, #0x04
 block_count_rounded:
 
-  xor  bx, bx   ;; Restore DS back to 0000:
-  mov  ds, bx
 #if BX_TCGBIOS
   push ax
   push ds