The input/output ports of iMac computers are illustrated in Figure 1 and Figure 2.
Figure 1 Input/output ports of iMac computers with tray-loading disc drives
Figure 2 Input/ouput ports of iMac computers with slot-loading disc drives
Each of the ports are alphabetically labeled. Find the corresponding letter in this table to identify the port.
For more information about the devices that can be attached to iMac ports, see document 30649, "iMac: Frequently Asked Questions (2 of 2) -- Can I attach external devices to iMac?"
Figure 1 Input/output ports of iMac computers with tray-loading disc drives
Figure 2 Input/ouput ports of iMac computers with slot-loading disc drives
Each of the ports are alphabetically labeled. Find the corresponding letter in this table to identify the port.
| Label | Port | Links |
| A | Sound Input | iMac: Sound Input Port Specifications |
| B | Sound Output | iMac: Sound Output Port Specifications |
| C | USB | USB: FAQ (1 of 4) |
| D | Ethernet | Macintosh: Connecting to an Ethernet Network |
| E | Interrupt | iMac: How to Install an iMac Firmware Update |
| F | Reset | iMac: How To Force a Restart |
| G | Modem | V.90 Protocol: Connectivity Discussion |
| H | FireWire | FireWire Ports: Specifications (http://www.apple.com/firewire/) |
For more information about the devices that can be attached to iMac ports, see document 30649, "iMac: Frequently Asked Questions (2 of 2) -- Can I attach external devices to iMac?"