Compaq 272637-001 - Manual (Page 41)

Identifying External Hardware
Getting Started 4–9
Rear Panel Components
Connectors
Rear Panel Components: Connectors
1
AC power connector Connects an AC Adapter.
2
USB connectors (2) Connect optional USB devices.
3
External monitor
connector Connects an optional external monitor
or overhead projector.
4
Keyboard/mouse
connector Connects an optional PS/2 keyboard
or mouse.
5
Parallel connector Connects an optional parallel device
such as a printer.