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BIOS Setup Utility
3-5.6 Onboard Serial Ports
Onboard Serial
Ports
Onboard
Serial Port 1 /
Serial Port 2
UART Mode
Select
If [UART Mode Select] is set to [IrDA]/[ASKIR]
UR2 Duplex
Mode
3-5.7 Onboard Parallel Ports
Onboard Parallel
Ports
Onboard Parallel
Port
Parallel Port Mode
If [Parallel Port Mode] is set to [ECP] mode
ECP Mode use
DMA
Setting
Description
Disabled
3F8/IRQ4
Choose serial port 1 & 2's I/O
address.
Do not set port 1 & 2 to the
2F8/IRQ3
same address except for
Disabled or Auto.
3E8/IRQ4
2E8/IRQ3
Auto
Normal
The second serial port offers
these InfraRed interface modes.
IrDA
ASKIR
SCR
Half
Choose [Half] or [Duplex] to set
UR2 in half duplex mode or full
Full
duplex mode respectively. Refer
to your IR device specifications
to select the suitable mode.
Setting
Disabled
378/IRQ7
3BC/IRQ7
278/IRQ5
SPP
EPP
ECP
ECP+EPP
3
1
Description
Choose the printer I/O
address.
The mode depends on your
external device that
connects to this port.
Choose DMA3
Choose DMA1
69
SY-P4IS2
Note
Default
(port 1)
Default
(port 2)
Default
Default
Note
Default
Default
Default
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