Page 1 of 1
Just curious about battery
Posted: Thu Mar 02, 2006 3:15 pm
by jc457
when i had other laptops when i turned off computer battery turned off also. On ibm i have to pull the plug to turn off battery why is that?
Re: Just curious about battery
Posted: Fri Mar 03, 2006 8:26 am
by Rob Mayercik
jc457 wrote:when i had other laptops when i turned off computer battery turned off also. On ibm i have to pull the plug to turn off battery why is that?
If you're referring to the light that comes on when you connect the AC adapter (without turning on the computer), that's probably just the battery charging circuit.
As to why? A design decision by someone at IBM.
Rob
Posted: Fri Mar 03, 2006 7:16 pm
by jc457
If i leave the battery charging circuit light on all the time does it hurt the computer usually just pull the plug out so light goes out
Posted: Tue Mar 07, 2006 7:53 am
by Rob Mayercik
jc457 wrote:If i leave the battery charging circuit light on all the time does it hurt the computer usually just pull the plug out so light goes out
If memory serves, the latest BIOS for the 600-series machines may not charge the battery unless it's below 95%. I don't know exactly how this works, or if it's indeed true for all 600-type machines - I haven't spent a lot of time studying 600-series BIOS code. Perhaps the more knowledgeable folks can chime in here.
It would help to know what type of Thinkpad you have - if it's not a 600, the above may not even apply.
Rob