Using the Docking System Making Connections Making Connections ♦ Power (ac adapter). ♦ External keyboard. ♦ External mouse. ♦ External display. ♦ Printer or other parallel device (25-pin). ♦ Modem or other serial device (9-pin). ♦ Midi/Game port. ♦ Headphones or external speakers. ♦ External CD-ROM drive or other SCSI-2 device. ♦ Network access and other types of ISA and PCI cards (in the expansion-card slots). Headphones or external speakers Line in External audio device AC power Printer Serial SCSI Expansion card Midi Mouse Keyboard Monitor 1-16