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CmosPwd


CmosPwd decrypts password stored in cmos used to access BIOS SETUP.
Works with the following BIOSes
  • 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
With CmosPwd, you can also backup, restore and erase/kill cmos.
AWARD 4.50 have a backdoor, a generic password : AWARD_SW SOYO motherboard have "SY_MB" as master password for Award 4.51. CmosPwd give equivalent passwords for Award BIOS, not original one. For more information, ReadMe

Contents

 

Operating Systems

CmosPwd works and compiles under
  • Dos-Win9x,
  • Windows NT/W2K/XP/2003,
  • Linux,
  • FreeBSD and NetBSD.

CmosPwd Download

CmosPwd is free, it's distributed under GPL

Cmos password recovery tools 5.0 (October 2007)

  • DOS/Windows 9x and Windows NT/W2K/XP/2003 versions, zip
  • Source only tar.bz2

CmosPwd Development

To get information about new CmosPwd release or development, subscribe to cmospwd.

Cmos Backup

I am working on putting together an archive of CMOS backups, usable to verify that new tools and crackers works. If you have a computer CmosPwd don't crack, give me a yell.cmosbackup-1.1.tgz

Toshiba

To reset the password of a Toshiba, you can use KeyDisk. If this doesn't work, you can try to build the Toshiba Parallel loopback. To make a simple device that you connect to your parallel port, a lot of Toshiba computers remove the password when you boot it up. The device, named "loopback" by some, could be made out of any parallell wire with 25pins connectors (db25). You should connect these pins: 1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15, 18-25