Dell Precision M4500 (Early 2010) - 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 Description
Enabled SOL is enabled
Disabled SOL is 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.