User`s guide

37
BIOS Setup
BIOS
Setup
I/O Device Configuration SubMenu continued...
Use the following chart to configure the Input/Output settings:
Feature Options Description
Serial port A:
Serial port B:
Disabled
Enabled
Auto
Disabled turns off the port.
Enabled requires you to enter the base Input/Output
address and the Interrupt number on the next line.
Auto makes the BIOS configure the port
automatically during POST.
OS Controlled lets the PnP Operating System (such
as Windows 95) configure the port after POST.
Base I/O Address 3F8
2F8
3EB
2EB
Select the Base I/O address for the Serial Ports.
Interrupt IRQ 3
IRQ 4
Set the Interrupt for the Serial Port.
Parallel Port: Disabled
Enabled
Auto
Disabled turns off the port.
Enabled requires you to enter the base Input/Output
address and the Interrupt number below.
Auto makes the BIOS auto configure the port during
POST.
OS Controlled lets the PnP Operating System (such
as Windows 95) configure the port after POST.
Mode Bi-Directional
EPP
ECP
EPP+ECP
Bi-directional modes are a two-way protocol. You
can select one of two types: Extended Parallel Port
(EPP) or Extended Capabilities Port (ECP).
Base I/O Address 378
278
3BC
If you select Enabled for the Parallel Port, choose
one of these I/O addresses.
Interrupts IRQ5
IRQ7
If you select Enabled for the Parallel Port, choose
one of these interrupt options.
DMA Channel DMA 1
DMA 3
Select which DMA (Direct Memory Access) channel
to be used by the parallel port. if using in ECP mode.
Floppy disk controller Disabled
Enabled
Enables the on-board legacy diskette controller.
Disabled turns off all legacy diskette drives.
Floppy check Disabled
Enabled
Enabled verifies floppy type on boot;
Disabled speeds boot.
PS/2 Mouse Disabled
Enabled
Enables and disables support for a PS/2 mouse.
WARNING
If you choose the same I/O address or Interrupt for more than one port, the menu displays
an asterisk (*) at the conflicting settings. It also displays this message at the bottom of the
menu:
* Indicates a DMA, Interrupt, I/O, or memory resource conflict with another
device. Resolve the conflict by selecting another settings for the devices.