Supported operating system:

Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit

Release note:
ACER Aspire 4320 series laptop infrared ray version 6.0.6001.18000 driver for Win7/Win7-64 released on 14th Sept 2010.

Supported Devices:
Acer Laptop Fast Infrared Port
HP Fast Infrared Port
IBM Fast Infrared Port
IBM ThinkPad Fast Infrared Port
IrDA Fast Infrared Port
NEC Fast Infrared Port
NEC Notebooks Fast Infrared Port
NEC Versa Notebooks Fast Infrared Port
PUMA Fast Infrared Port