Microsoft Windows XP [版本 5.1.2600]
(C) 版權所有 1985-2001 Microsoft Corp.

C:\>debug
-a
XXXX:0100 mov al,1d
XXXX:0102 out 70,al
XXXX:0104 in al,71
XXXX:0106 call 0117
XXXX:0109 mov al,1c
XXXX:010B out 70,al
XXXX:010D in al,71
XXXX:010F call 0117
XXXX:0112 mov ax,4c00
XXXX:0115 int 21
XXXX:0117 mov dh,al
XXXX:0119 mov cx,402
XXXX:011C mov ah,2
XXXX:011E mov dl,dh
XXXX:0120 and dl,c0
XXXX:0123 rol dl,cl
XXXX:0125 add dl,30
XXXX:0128 int 21
XXXX:012A rol dh,cl
XXXX:012C dec ch
XXXX:012E jnz 011e
XXXX:0130 ret
XXXX:0131
-r cx
CX 0000
:31
-n o.com
-w
Writing 00031 bytes
-q

C:\>o.com
????????              <--這8個阿拉伯數字為進入bios設置的口令
C:\>exit