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 Post subject: Bad Motherboard?
PostPosted: Sat Sep 25, 2010 1:44 pm 
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Joined: Sat Sep 25, 2010 8:02 am
Posts: 3
Location: Brussels, Belgium
I have a T40 which hadn't been started up in several weeks. When I tried to start it, It did not boot normally, to the power-on password (POP), and instead after a long time, it displayed the error code 0176 (IBM site says it could mean a bad motherboard). It then went to the POP icon, but wouldn't take my password (which I remember). After several more unsuccessful tries, it started giving the 0176 error code and the 0271 error code. I bought another cmos battery and took the old one out and let it sit overnight (15 hours all together) and then put the new cmos battery in. It did not clear the POP and it brings it up (with the same two error codes first) so the same result -- it doesn't accept my password.

I thought maybe it was defaulting to the Supervisor password (which was the same as the POP or it wasn't set), but the icon is the little computer versus the little face icon which I thought was the icon for the Supervisor password. Is there an easy or obvious way to determine if the motherboard is bad? I think the T40 is finally dead, but thought I'd check with the experts here first. Thanks in advance for any info or advice offered.


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 Post subject: Re: Bad Motherboard?
PostPosted: Sat Sep 25, 2010 3:14 pm 
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Joined: Sun Jun 04, 2006 1:26 am
Posts: 9028
Location: San Jose, CA 95120 USA
Welcome to thinkpads.com!

It sounds like the system is operating correctly, given that you have/had a supervisor password (SVP). On my T41 (BIOS 3.21, two back from the newest), the SVP prompt is the same as the power-on prompt (POP); an icon of a computer, not a outline of a person. I'm not sure when they changed to the "person" prompt for the SVP, but all of the older systems that I have (pre-dating the T41), the POP and SVP prompts are identical.

Removing the CMOS battery for that length of time should have removed the POP, but to be sure, remove ALL power (battery and AC) for at least one minute. That you are still getting a prompt indicates to me that you are dealing with the SVP. You will have to try to remember what it was on your own. Forum rules dictate that there be no public discussions on how/if it can be removed/bypassed/hacked as it directly relates to a system security matter.

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Ray Kawakami
[DONOR] X22;X24;X31;X41;X41T;X60;X60s;X61;X61s;X200s;X300;X301;Z60m;Z61t;Z61p;560Z;600;600E;600X;T21;T22;T23;T41,T410;R50;A21p;A22p;A31;A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.


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 Post subject: Re: Bad Motherboard?
PostPosted: Sat Sep 25, 2010 4:45 pm 
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Joined: Sat Sep 25, 2010 8:02 am
Posts: 3
Location: Brussels, Belgium
Thanks. I didn't realize the icons were the same so that helps. I'm pretty sure the SVP was the same as the POP. So I'm thinking it's the motherboard. Is there an easy way to tell if it's bad?


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 Post subject: Re: Bad Motherboard?
PostPosted: Sat Sep 25, 2010 5:12 pm 
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Joined: Sun Jun 04, 2006 1:26 am
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Location: San Jose, CA 95120 USA
Not really. If it is an SVP, then you'll have to provide the correct password in order to get the system to boot any kind of OS or diagnostic program. While I would say that it is theoretically possible for the system to spontaneously develop an SVP or to have an existing one corrupted, I'd have to say that it's a very remote chance. Try any/all passwords you've ever used. Also, if you have changed the keyboard to a different layout than what you had when you set the SVP, then that could cause a problem. My understanding is that the system retains the keyboard scan codes rather than the actual characters.

_________________
Ray Kawakami
[DONOR] X22;X24;X31;X41;X41T;X60;X60s;X61;X61s;X200s;X300;X301;Z60m;Z61t;Z61p;560Z;600;600E;600X;T21;T22;T23;T41,T410;R50;A21p;A22p;A31;A31p
NOTE: All links to PC-Doctor software hosted by me are dead. Files removed 8/28/12 by manufacturer's demand.


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 Post subject: Re: Bad Motherboard?
PostPosted: Sun Sep 26, 2010 3:53 am 
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Joined: Sat Sep 25, 2010 8:02 am
Posts: 3
Location: Brussels, Belgium
Thanks. So there's no easy way to tell if it's the motherboard or a SVP which is causing the problems.... well, I'll keep trying different possibilities for the password. Appreciate your time and help.


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