|I just worked on one of these laptops not too long ago.|
Boy IBM used crappy batteries in these laptops; seems the 600X are plagued with inferior batteries. Almost every one I have come across has a dead CMOS. Yet it is very rare for me to come across other aged laptops with dead batteries.
iMac G5 1.8GHz "Hero" PowerPC
2 x 1GB DDR PC3200 SDRAM
160GB WDC WD1600JD-40GBB2
Mac OS X Leopard Version 10.5.8