IBM L40 SX Quick Reference page 73

Maintaining Operational Convenience
Key Purpose
Power Control for Communication
7
Devices
You can determine whether power is
supplied to each external device port.
To minimize power usage, select option
Off for the port when no device is
connected.
Note: You can set the Onboard Parallel
power to Off when both the
Onboard Serial power and the
Serial Adapter power (or the
Data/Fax Modem power) are set
to Off.
Note: Default option is highlighted in the Option column.
Operating Your Computer
Option
Onboard Parallel power:
Onboard Serial power:
Serial Adapter power:
Note: This option is
Data/Fax Modem power:
Note: This option is
61
On
Off
On
Off
On
Off
available and
displayed when the
serial adapter is
installed.
On
Off
available and
displayed when the
internal data/fax
modem is installed.