[ltp] date forgotten at boot despite fresh CR2032 battery

cr linux-thinkpad@linux-thinkpad.org
Sat, 10 May 2014 18:28:58 +1200


On Thursday 08 May 2014 18:43:21 Connor Behan wrote:
> On 08/05/14 03:01 AM, Dan Jacobson wrote:
> > With the AC cord plugged in, everything is normal.
> > 
> > But with only the battery and (even fresh) CR2032 battery, my Thinkpad
> > R50e gives CMOS checksum errors which means I have to enter the date
> > again at each boot after poweroff. This also adds an additional disk
> > spin-down/up.
> > 
> > I guess I will just have to live with it.
> 
> I'd be interested to hear if you fix this, because my brother's A22m
> behaves in the same way.

My R40 (which my wife uses for playing casino games on) does the same thing - 
its date reverts to 1-1-80 and I have to change the date in the BIOS before it 
will boot.   And it has a new CMOS battery, first thing I replaced.