HP E-PC C10 Technical Reference Manual page 28

connectors
2 system features
network interface
network interface diagnostics (not installed by default)
The 3Com Network Interface driver also includes an in-depth diagnostics
program. It enables the user to test the LAN chip, the network Interface
layers, and the communication between machines.
The 10/100BT connector is located on the rear of the HP e-pc.
LAN Connector
For more information on network technology, refer to the Technical
Reference Manual - HP PC Technology.
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