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What do the Thinkpad Beep codes mean?

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What do the Thinkpad Beep codes mean?

#1 Post by Viking » Tue May 26, 2020 3:17 am

Hi All,

I know that Lenovo has released an Android app to decode thinkpad DTMF Beep codes.
But my ThinkPad T470 gives 4 beeps during first boot (non-DTMF), then it rebotts automatically and gives 2 Beeps (non-DTMF). Then nothing more happens.
These beeps are not recognised by the App because they are not DTMF.
If I remove i.e. all the RAM and retry, then it goes on (after the above) and gives a correct DTMF.

Does anyone have a link or a description of the non-DTMF beep codes?

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Re: What do the Thinkpad Beep codes mean?

#2 Post by atagunov » Tue May 26, 2020 10:22 am

It's 2012 and T61 but here's what my searching online brought up: viewtopic.php?t=106878 worth a try with diff RAM?
X220, 2 *T520

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