Owner's manual
Table Of Contents
- 42AFL-xxA-N270 Series Flat Panel PC
- 1 Introduction
- 2 Detailed Specifications
- 3 Unpacking
- 4 Installation
- 4.1 Anti-static Precautions
- 4.2 Installation Precautions
- 4.3 Preinstalled Components
- 4.4 Installation and Configuration Steps
- 4.5 Removing the Back Cover
- 4.6 CF Card Installation
- 4.7 HDD Installation (AF-12A-N270 Only)
- 4.8 AT/ATX Mode Selection
- 4.9 Jumper Settings
- 4.10 Mounting the System
- 4.11 Bottom Panel Connectors
- 5 System Maintenance
- 6 AMI BIOS Setup
- 7 Software Drivers
- A System Specifications
- B Safety Precautions
- C BIOS Configuration Options
- D Watchdog Timer
- E Hazardous Materials Disclosure
- F Index

AFL-xxA-N270 Series Panel PC
Page 90
USB Functions [Enabled]
Use the USB Function option to enable or disable the USB controllers.
Disabled
USB controllers are enabled
Enabled DEFAULT
USB controllers are disabled
USB 2.0 Controller [Enabled]
The USB 2.0 Controller BIOS option enables or disables the USB 2.0 controller
Enabled DEFAULT
USB function enabled
Disabled
USB function disabled
Legacy USB Support [Enabled]
Use the Legacy USB Support BIOS option to enable USB mouse and USB keyboard
support.
Normally if this option is not enabled, any attached USB mouse or USB keyboard does not
become available until a USB compatible operating system is fully booted with all USB
drivers loaded. When this option is enabled, any attached USB mouse or USB keyboard
can control the system even when there is no USB driver loaded onto the system.
Disabled
Legacy USB support disabled
Enabled DEFAULT
Legacy USB support enabled
Auto
Legacy USB support disabled if no USB devices are
connected
USB2.0 Controller Mode [HiSpeed]
The USB2.0 Controller Mode BIOS option sets the speed of the USB2.0 controller.
FullSpeed
The controller is capable of operating at full speed
12 Mb/s