Modify the BIOS password

xiaoxiao2021-03-06  77

Program test system: Win98

Compilation Tool: TurboC2

The following is the source code of cmospass: cmospass.c

Code:

-------------------------------------------------- ------------------------------

#include

#include

#include

void main ()

{

Int n;

CHAR Comspass;

CHAR TEMP = 0;

Printf ("/ NTHIS Program Only Is Tested At Win98 and Award Bios !! / N");

Printf ("The Password of The CMOS:");

OUTPORTB (0x70, 0x1d);

COMSPASS = Inportb (0x71);

For (n = 6; n> = 0; n- = 2)

{TEMP = CMOSPASS;

TEMP >> = N;

TEMP = TEMP & 0x03;

Printf ("% D", TEMP);

}

OUTPORTB (0x70, 0x1c);

Result = inportb (0x71);

For (n = 6; n> = 0; n- = 2)

{TEMP = CMOSPASS;

TEMP >> = N;

TEMP = TEMP & 0x03;

Printf ("% D", TEMP);

}

Printf ("/ n - by red");

Printf ("/N--Http://red123. ocp.net !!");

Printf ("/ n ---- 2004.01.04 ---- / n");

}

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