[Thinkpad] 600e Beeping

A friend sent this:

Using my Thinkpad 600E. It has started beeping. More
specifically it beeps every sixty two seconds. The "beep" is one high
pitched beep followed by 2 short lower pitched beeps.

I am running on ac power, and it knows that and so indicates. The power
meter indicates the battery is 97% charged, so it doesn't apppear to be a
low battery warning. (I think I may have heard such when I forgot to turn
the power on and the battery ran low in the past, I am not sure.)

Well this morning I turned it off and disconnected the power and it kept
right on beeping every 62 seconds. It had stopped by the time I got back
this afternoon. But re-connecteing the power (not turning it on, just
re-connecting the power!) started it again.

Then I disconnected the power and removed the battery, and it kept right
on beeping!!!!

Any ideas what might be going on and what I might do about it?

---
I'll pass on the collective wisdom of the list to him.  Thanks.
 
-- 
 Julian Thomas:   jt_at_jt-mj.net    http://jt-mj.net
 In the beautiful Finger Lakes Wine Country of New York State!
 -- --
 Death to all fanatics!
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