Front & Backside of "Intel iMac" Motherboard: Non-Intel Chips Used for I/O-associated LSIs
The mainboard without heat sinks, etc. (front side). On the left of the center is the Intel memory controller LSI (north bridge) "82945GM (945GM)." The I/O controller LSI (south bridge) "82801GBM (ICH7-M)" is located on the right of the center. The Bluetooth and IEEE802.11 wireless LAN modules are provided at the right and lower left of the board, respectively.