BIOS Setup Utility
SY-P4-645DX DRAGON Ultra
61
SuperIO Device (Continue)
Setting
Description
Note
Disabled
3F8/IRQ4
Default
(port 1)
2F8/IRQ3
Default
(port 2)
3E8/IRQ4
2E8/IRQ3
Onboard
Serial Port 1 /
Serial Port 2
Auto
Choose serial port 1 & 2's I/O
address.
Do not set port 1 & 2 to the same
address except for Disabled or
Auto.
IrDA
ASKIR
Normal
The second serial port offers these
InfraRed interface modes.
Defanlt
UART Mode
Select
SCR
SCR mean Smart Card Reader.
If [UART Mode Select] is set to [IrDA]/[ASKIR]
Half
Default
UR2 Function
Duplex
Full
Choose [Half] or [Duplex] to set
UR2 in half duplex mode or full
duplex mode respectively. Refer to
your IR device specifications to
select the suitable mode.
Disabled
378/IRQ7
Default
278/IRQ5
Onboard
Parallel Port
3BC/IRQ
7
Choose the printer I/O address.
SPP
Default
EPP
ECP
Parallel Port
Mode
ECP+EPP
The mode depends on your external
device that connects to this port.
If [Parallel Port Mode] is set to [ECP] or [ECP+EPP] mode
3
Choose DMA3
Default
ECP Mode use
DMA
1
Choose DMA1