User Guide
Page 21
... connect to 7 watts of power. The Ethernet port automatically detects other Ethernet devices. £ Mini DisplayPort Output port with Your iMac 21 The 27-inch model also supports input from external DisplayPort sources. Required cables and adapters are available separately. You can also connect USB 1.1 devices. , Audio in/optical digital audio...
... connect to 7 watts of power. The Ethernet port automatically detects other Ethernet devices. £ Mini DisplayPort Output port with Your iMac 21 The 27-inch model also supports input from external DisplayPort sources. Required cables and adapters are available separately. You can also connect USB 1.1 devices. , Audio in/optical digital audio...