Compaq Armada V300 Series Reference Manual page 91

If you use Direct Cable Connection and the utility asks you to
choose a port for the infrared connection, you can select Serial
Cable on COM5 or, if the computer is running a preinstalled
Windows 95 or Windows 98 operating system, select Parallel
Cable on LPT3.
In Windows 95 the infrared port must be enabled each time the
computer is turned on or restarted. To enable the infrared port,
select StartÆSettingsÆControl PanelÆInfrared.
In Windows 98 the infrared port is enabled by default each time
the computer starts up.
When the infrared port is enabled, the infrared icon appears on
the taskbar and Infrared Monitor Search is enabled by default.
While the Infrared Monitor Search is enabled
You can establish an infrared link.
The system cannot initiate Suspend (Standby). User-
initiated Suspend (Standby) is not affected.
When the Infrared Monitor Search is disabled
Power is conserved.
You cannot establish an infrared link.
The system can initiate Suspend (Standby).