Thinkpad R40 secondary battery swap (was: Porting code from the Linux ibm-acpi sourceforge package)

[Eric Kjeldergaard]

> BTW, is it safe to
> remove the primary battery when running and A.C. is plugged in? I
> assume not.

Far from an authority on the issue, but I do it all the time. 
(BTW...and in a private email if you could, how is the battery life
from the cd-rom bay battery?)

-- 
If I write a signature, my emails will appear more personalised.