crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

Apple used quite a few custom chips. Sadly, I don't think you can buy them on the open market.

Did you try getting your system serviced by Apple or an authorized service center?

crwdns2915684:0crwdne2915684:0:

open