Acer Aspire 2020 - Manual (Page 50)

Your Aspire 2020 series notebook computer offers
good expansion capabilities.
This chapter provides information on connecting
peripherals to expand your system. It also describes
how to upgrade key components to enhance system
performance and keep your computer in step with
the latest technology.
You are advised to consult your dealer for
information on peripherals. In addition, make sure
that you read the manuals and other documentation
provided with new hardware.