Dell Precision M4500 Administrator's Manual page 54

SOL allows the console input/output of an Intel AMT-managed client to be redirected to a management server console (if the
client system supports SOL). If the system does not support SOL, this value cannot enable it.
Option
Enabled
Disabled
NOTE: Disabling SOL does not remove this feature but only blocks it from being used.
IDER
Under the SOL/IDER page, select IDER and press Enter.
Description
SOL is enabled
SOL is disabled.