Acer Altos G540 Series User Manual page 92

82
Parameter
Base I/O address
Parallel Port
Mode
Base I/O
Address
Interrupt
PS/2 Mouse
USB Controller
USB 2.0
Controller
Legacy USB
Support
Route Port 80h
Cycles to
Description
Base I/O address and IRQ setting for the
selected serial port
When enabled allows you to configure
the parallel port settings.
Sets the operation mode for the
parallel port.
When set to Bi-Directional, allows
normal speed operation in a two way
mode.
When set to EPP (Enhanced Parallel
Port), allows bi-directional parallel port
operation at maximum speed.
When set to ECP (Extended Capabilities
Port), allows the parallel port to
operate in a bi-directional mode and at
a speed higher than the maximum data
transfer rate.
Base I/O address of the parallel port
IRQ setting of the parallel port
Enable this parameter if you intend to
use a mouse or trackball with a PS/2
interface.
Enables or disables the onboard USB
controller.
Enables or disables the onboard USB
2.0 controller.
Enables or disables support for legacy
USB devices.
Select which bus to set the route port
80h cycles on.
4 System BIOS
Option
3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Enabled
Disabled
Output only
Bi-Directional
EPP
ECP
378
278
IRQ5
IRQ7
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
PCI
LPC