I've just checked the BIOS settings by dumping the literal symbol table with symcmos under freedos, with the battery care function set to 50% charge, 80% charge and 100% charge. diff revealed that these files were identical, indicating that the battery care function setting is stored somewhere other than the BIOS NVRAM.
I've just checked the BIOS settings by dumping the literal symbol table with symcmos under freedos, with the battery care function set to 50% charge, 80% charge and 100% charge. diff revealed that these files were identical, indicating that the battery care function setting is stored somewhere other than the BIOS NVRAM.