Chapter 2 - System Board 2-72.3.3 Onboard ConnectorsTable 2-2 lists the onboard connectors.Table 2-2 Onboard ConnectorsConnector FunctionCN1 20-pin power connectorCN2 USB portsCN3 Upper: PS/2 mouse portLower: PS/2 keyboard portCN4 Upper: Parallel portLower: VGA port (left)COM1 port (right)CN5 Primary IDE connectorCN6 Secondary IDE connectorCN7 Floppy disk drive connectorCN8 Upper: Game/MIDI portLower: (L-to-R)Stereo line-out portStereo line-in portMono microphone-in portCN9 ATI feature connectorCN10 Power switch connectorCN11 Reset connectorCN12/13 Fax/modem connectorCN14 CD line-in connectorCN15 IrDA connector (reserved)
