AOpen 1557 User Manual page 52

Your computer offers excellent expansion capabilities
with its built-in ports, connectors and bays. This
chapter describes how to connect peripherals and
hardware options that help you use your computer
with ease. When connecting peripherals, read the
manual included with the peripheral for operating
instructions. You can purchase most of these and
other options directly from authorized dealers.
This chapter also includes sections on how to upgrade
key components. Key component upgradeability
helps keep your computer in step with the latest
technology.