Post codes

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dduffy · #1 Post by **dduffy** » Fri Nov 30, 2007 11:16 am

I have a code reader, but the definitions are very vague.
Is there a place to find more in depth meanings of the POST
codes?
Thinkpad T21

Thanks
Darren

joester · #2 Post by **joester** » Fri Nov 30, 2007 12:29 pm

Here's a good place to start.

Welcome to the forum!

Joe

dduffy · #3 Post by **dduffy** » Sat Dec 01, 2007 11:07 am

Thank you for the site!

My laptop doesn't post, so I'm using an Analyzer card
and some of the codes are not in the Levono support documentation.

Has anyone ever used one of these cards to trouble shoot?

Thanks again
Darren

#4 Post by **RealBlackStuff** » Sat Dec 01, 2007 11:30 am

Why don't you tell us the symptoms of your patient?
We have quite a staff of super-qualified doctors in this hospital!

#5 Post by **JaneL** » Sat Dec 01, 2007 11:31 am

RealBlackStuff wrote:We have quite a staff of super-qualified doctors in this hospital!

Hee!

dduffy · #6 Post by **dduffy** » Sat Dec 01, 2007 1:21 pm

All I can say is....Wohoo!!!!!!!

Anyway, Turn on the computer and all the lights come on, then off
with just the power light still on. No post on the LCD, no post
on an external monitor plugged in. Fan runs. and then it sits
and stares back at me. No beeps no bells, no whistles.

I bought a PC Analyzer and it stops at code 88 which is between
power-on display and programming after setup

Thanks a million for your help so far!!!!

Darren

#7 Post by **RealBlackStuff** » Sat Dec 01, 2007 1:36 pm

It sounds like your patient may be suffering from the 'Blink Of Death'.
Loads of technical mumbo-jumbo in here: http://forum.thinkpads.com/viewtopic.php?t=48835

dduffy · #8 Post by **dduffy** » Mon Dec 03, 2007 9:00 am

If the hard drive runs, then stops, and the CD/rom spins and the fan runs,
is this considered the BOD as well?

Darren

#9 Post by **RealBlackStuff** » Mon Dec 03, 2007 11:27 am

Did you try and remove all unneeded hardware (especially modem card), and then add 1 component at the time before rebooting?

dduffy · #10 Post by **dduffy** » Mon Dec 03, 2007 11:51 am

Yes, even the LCD display with an external monitor hooked in.

The cd/rom with a bootable disk in it spins and tries to do
something, I can hear the head moving around.

The Analyzer card shows that it stops at either the
Initialize bus types, or the stuck key and batch test.

I've had previous BOD's before, this doesn't act the same
as they have. This one flashes all the lights and then the power
lights stays on with the CPU fan running.

Thanks
Darren

#11 Post by **rkawakami** » Mon Dec 03, 2007 3:25 pm

I'm assuming that the analyzer card is being plugged into the MiniPCI slot in place of the modem, correct? If so, what does the system do without the analyzer card installed? Also, have you determined if the memory module(s) are correct for the system and functional? You need to be using "low density" PC100 or PC133 modules. This means 16 chips for a 256MB and 8 chips for a 128MB. You can also try booting the system without any memory and you should get a 1-3-3-1 beep sequence.

Robbyrobot · #12 Post by **Robbyrobot** » Tue Dec 04, 2007 5:23 am

Turn on the computer and all the lights come on, then off
with just the power light still on. No post on the LCD, no post
on an external monitor plugged in. Fan runs. and then it sits
and stares back at me. No beeps no bells, no whistles.

I'm following this thread with great interest, since I have an A20p with identical symptoms. This is not the BOD I have seen that in several T2x boards.

Incidentally, booting the system without any RAM modules has no effect in my case: no beeps, symptoms otherwise unchanged.

dduffy · #13 Post by **dduffy** » Thu Dec 13, 2007 1:40 pm

Problem solved,

Ram was out of another working unit, but for what ever reason,
speed ,density etc..etc... they didn't like this laptop.
I ended up trying a different set and works great. Thanks
everyone for all the help

Darren

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