Compaq M300 - Armada - PII 333 MHz Maintenance And Service Manual page 21

The external components on the rear of the computer are shown in Figure 1-6 and
described in Table 1-6.
Figure 1-6. Rear Components
Item Component
1 USB connector
2 Serial connector
3 Parallel connector
4 External monitor connector
5 Infrared port
6 Battery pack
Table 1-7
Rear Components
Function
Connects USB devices
Connects a serial device
Connects a parallel device
Connects an external monitor, overhead projector, or TV
adapter.
Links to another IrDA-compliant device for wireless
communication.
Provides power to the computer.
Product Description 1-13