Introducing the BIOS
User’s Manual
4-15
Four options are available: Normal
(
IrDA
(
ASKIR (Amplitude Shift Keyed IR)
(
SCR. The
default setting is
Normal
.
When you choose the “
Normal
” or “
SCR
”, then item
UR2 Duplex Mode
become available.
UR2 Duplex Mode:
Two options are available: Full or Half. The default setting is
Half
.
Select the value required by the IR device connected to the IR port. Full-duplex mode permits
simultaneous two-direction transmission. Half-duplex mode permits transmission in only one
direction at a time.
Onboard Parallel Port:
Four options are available: Disabled
(
378/IRQ7
(
278/IRQ5
(
3BC/IRQ7. The default setting is
378/IRQ7.
Select a logical LPT port name and matching address for the physical parallel (printer) port.
Parallel Port Mode:
Four options are available: SPP
(
EPP
(
ECP
(
ECP+EPP. Default is
ECP+EPP
mode. Select an
operating mode for the onboard parallel (printer) port. SPP (Standard Parallel Port), EPP (Extended
Parallel Port), ECP (Extended Capabilities Port) or ECP plus EPP.
Select SPP unless you are certain your hardware and software supports both EPP or ECP mode.
According to your selection, the following items will appear.
ECP Mode Use DMA:
Two options are available: 1
(
3. The default setting is
3.
When the mode selected for the onboard
parallel port is ECP or ECP+EPP, the DMA channel selected can be 1 (Channel 1) or 3 (Channel 3).
Game Port Address:
Three options are available: Disabled
(
201
(
209. Default setting is
201
. You can choose the game
port I/O base address in this item to meet the need for game requirement.
Midi Port Address
Three options are available: Disabled
(
330
(
300. Default setting is
330
. You can choose the
MPU-401 I/O address in this item to meet the need for MIDI device requirement.
Midi Port IRQ:
Two options are available: 5
(
10. The default setting is
10
. You can choose the MIDI port IRQ in
this item to meet the need for game requirement.
Back to Integrated Peripherals Setup Menu Here:
USB Controller:
Two options are available: Disabled
(
Enabled. The default setting is
Enabled
. This should be enabled if
your system has a USB device installed on the system board and you wish to use it. If you add a higher
performance controller, you will need to disable this feature. If you choose disable this item, the “
USB
Keyboard Support”
item will disappear in
Integrated Peripherals
menu.
USB Keyboard Support:
Two options are available: OS
(
BIOS. The default setting is
OS
.
If your operating system supports a