indeksi Avaruusalus Koulutus mac pro cmos battery arviointi Urheilu Lopeta tietää
How to Boot MacBook Pro Without a Battery (Older Models 2006 – 2011) | OSXDaily
CMOS battery holder broken and off logic … - Apple Community
CMOS: What It Is and What It's For
Macpro 3.1 early 2008. Anybody has an idea of what that button is and the 2 contact points next to it? Strange enough my mac pro won turn on unless i keep