IBM L40 SX Quick Reference page 27

# Note: If an external display is connected, the LCD display is
# disabled.
# using the Set features program.
# referred to as a CRT display as compared to the LCD display in
# this manual.
# Warning: The CRT must be attached before turning on the the computer.
# Unpredictable results can occur if the CRT is plugged in while the
# system is powered up.
7 System Expansion Connector offers an IBM Personal Computer AT
compatible interface.
8 Communication Interface Connector is reserved for the output of the
Serial Adapter (optional) or the Internal Data/Fax Modem (optional)
for external communication.
| (*) PS/2 is a trademark of the International Business Machines
| Corporation.
| (**) Centronics is a trademark of Centronics Data Computer
| Corporation.
PS/2 Model L40 SX Quick Reference
Identifying the Computer Features
The external display can be enabled or disabled
An external display can be
For more information, see page 3.8.3.1.
¦ Copyright IBM Corp. 1991
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