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IBM A22M laptop BIOS - don't know administrator password

Hi.  I have my laptop set all with everything I want (Windows XP etc), except I want to update the BIOS (from KXET29WW) to latest.  I hope this improves my usb speed.  I don't know the administrator password and haven't needed it to date (bought laptop second hand some time ago).

Is there anyway to determine/crack the Administrator password.  In searching through other questions I found some links to the ibm site - but they no longer work

Thanks
Brett
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Brett39
Asked:
Brett39
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1 Solution
 
Leon FesterCommented:
You could try removing the CMOS battery, and then starting the machine it removed. Just make sure to properly disconnect all power from the laptop before doing anything like that. I'd recommend you ask somebody who knows laptop hardware to assist you. 'cos you could end up breaking something, if you're not sure about the internals. Alternatively there may be a jumper setting on the Mobo that you can change to flush that password...this also requires opening the machine and having the neccessary mobo documentation. Depending on th age of the notebook, it may/may not be available on the ibm site.
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luv2smileCommented:
Are you talking about a bios password or the administrator password to log onto windows?
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luv2smileCommented:
Nevermind...missed the part about updating bios
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fixnixCommented:
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fixnixCommented:
Can you boot to DOS from, say, a win98 cd?

If so, try this: (copied from http://forums.speedguide.net/showthread.php?t=150621&page=1&pp=15 which was  athread regarding an ACER laptop, not your IBM, but they apparently used similar technology in protecting BIOS passwords (EEPROM))

---------------------------quote-----------------------------

debug <ENTER>
A <ENTER>
MOV AX,0 <ENTER>
MOV AX,CX <ENTER>
OUT 70,AL <ENTER>
MOV AX,0 <ENTER>
OUT 71,AL <ENTER>
INC CX <ENTER>
CMP CX,100 <ENTER>
JB 103 <ENTER>
INT 20 <ENTER>
<ENTER> Note: Nothing is typed on this line
G <ENTER> By pressing G this will execute the above script,
Q <ENTER>

---------------------------endquote--------------------------

If you can't boot to alternate media (BIOS set to boot hd first), then your left w/ this PATA to try:

(quoted same thread, several posts later...next page)

"Time to take the hard drive out and slave it in another PC with an adapter. Fdisk it, format it, and sys it so it's bootable to a dos prompt. Then copy the script files that Norm suggested to it. Put it back in the laptop, boot it up and run the script to clear the password."

If you do that, make sure you have the w98 debug executable copied on the disk...the "script from Norm" was one of either a PASCAL script or C code that you'd need to compile.  If you have a compiler handy, here's the C code (also copied from the same thread)

int __stdcall Clear_Cmos( )
{
_outp(0x70,0x2E); //password will get cleared
_outp(0x71,0xFF);

/* if you want to clear whole CMOS
use following code
for(int i=0;i<256;i++) // whole cmos will get cleared
{
_outp(0x70,i);
_outp(0x71,i);

}
*/
return 0;
}

I'm not a C guy, so I don't know if that's complete or not...looks to me that's just the routine to poke the hex into CMOS.  Prolly still needs standard includes, void (main) or whatever, etc....should be trivial for someone who knows C.



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fixnixCommented:
Might want to try these passwords first...sometimes there are default manufacturer BIOS passes installed:

http://labmice.techtarget.com/articles/BIOS_hack.htm
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