howTo Reset BIOS Password

hi guys
Do you know how to Pass a BIOS password ?
i'will tell you

The best method to reset a BIOS password depends on what BIOS the computer has. Common BIOS's include AMI, Award, IBM and Phoenix.

The general categories of solutions to reset a BIOS password are:

• Using a Backdoor BIOS Password
• Resetting the BIOS Password using Software
• Vendor Specific Solutions for resetting the BIOS
• Resetting the BIOS Password using Hardware Password (Desktop)

Using a Backdoor BIOS Password

The backdoor password is a BIOS password that works, no matter what the user sets the BIOS password to. Manufacturers typically change the backdoor BIOS passwords from time to time.

AMI Backdoor BIOS Passwords

• A.M.I. 
• AAAMMMIII
• AMI?SW 
• AMI_SW 
• BIOS   
• CONDO   
• HEWITT RAND  
• LKWPETER   
• MI   
• PASSWORD.

Award Backdoor BIOS Passwords

• eight spaces
• 01322222
• 589589
• 589721
• 595595
• 598598 
• ALFAROME
• ALLY
• ALLy
• aLLY
• aLLy
• aPAf
• award
• AWARD PW
• AWARD SW
• AWARD?SW
• AWARD_PW
• AWARD_SW
• AWKWARD
• awkward
• BIOSTAR
• CONCAT
• CONDO
• Condo
• condo
• d8on
• djonet
• HLT
• J256
• J262
• j262
• j322
• j332
• J64
• KDD
• LKWPETER
• Lkwpeter
• PINT
• pint
• SER
• SKY_FOX
• SYXZ
• syxz
• TTPTHA
• ZAAAADA
• ZAAADA
• ZBAAACA
• ZJAAADC

Phoenix Backdoor BIOS Passwords

• BIOS
• CMOS
• phoenix
• PHOENIX.

Backdoor BIOS Passwords from Other Manufacturers

Manufacturer	BIOS Password
VOBIS & IBM	merlin
Dell	Dell
Biostar	Biostar
Compaq	Compaq
Enox	xo11nE
Epox	central
Freetech	Posterie
IWill	iwill
Jetway	spooml
Packard Bell	bell9
QDI	QDI
Siemens	SKY_FOX
SOYO	SY_MB
TMC	BIGO
Toshiba	Toshiba

-) Remember that what you see listed may not be the actual backdoor BIOS password, this BIOS password may simply have the same checksum as the real backdoor BIOS password. For Award BIOS, this checksum is stored at F000:EC60.

Resetting the BIOS Password using Software

If you are able to access the machine after it has been booted successfully, you may be able to view the BIOS password. You must know the memory address where the BIOS password is stored, and the format in which the BIOS password is stored. Or, you must have a program that knows these things.

You can write your own program to read the BIOS password from the CMOS memory on a PC by writing the address of the byte of CMOS memory that you wish to read in port 0x370, and then reading the contents of port 0x371.

or use software like :

!BIOS will recover the BIOS password for most common BIOS versions, including IBM, American Megatrends Inc, Award and Phoenix.

CmosPwd will recover the BIOS password for the following BIOS versions:

• ACER/IBM BIOS
• AMI BIOS
• AMI WinBIOS 2.5
• Award 4.5x/4.6x/6.0
• Compaq (1992)
• Compaq (New version)
• IBM (PS/2, Activa, Thinkpad)
• Packard Bell
• Phoenix 1.00.09.AC0 (1994), a486 1.03, 1.04, 1.10 A03, 4.05 rev 1.02.943, 4.06 rev 1.13.1107
• Phoenix 4 release 6 (User)
• Gateway Solo - Phoenix 4.0 release 6
• Toshiba
• Zenith AMI

Vendor Specific Solutions for Resetting the BIOS Password

• Resetting a Dell BIOS Password

• Resetting a Toshiba BIOS Password 

  • KeyDisk 

  • hold down the key while booting the system.

• Resetting an IBM ThinkPad BIOS Password

• Resetting an IBM Aptiva BIOS Password 

  • press both mouse buttons repeatedly while booting the system.

• Resetting an Acer BIOS Password

Resetting the BIOS Password using Hardware (Desktop)

• Remove motherboard battery
• Use jumper that will clear the BIOS password

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Refrences :
http://www.topbits.com/reset-bios-password.html