HP Visualize c100 Service Handbook page 236

Boot Console Interface Model C100/110
Configure and Display LAN Settings
To select the AUI port (10 Mbits/sec, half duplex only),
type the following at the prompt:
NOTE: The LAN setting defaults to LAN-TP(RJ45). If that
setting fails, the system tries the LAN-AUI setting. Also
note that the new lan configuration settings take effect at
the next BOot or SEArch command.
208
Configuration Menu: Enter command
LanConfig 100/Full_dx
>
Configuration Menu: Enter command
LanConfig AUI
>