BIOS Setup Utility
SY-P4IS2
69
3-5.6 Onboard Serial Ports
Onboard Serial
Ports
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.
Normal
Default
IrDA
ASKIR
UART Mode
Select
SCR
The second serial port offers
these InfraRed interface modes.
If [UART Mode Select] is set to [IrDA]/[ASKIR]
Half
Default
UR2 Duplex
Mode
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.
3-5.7 Onboard Parallel Ports
Onboard Parallel
Ports
Setting
Description
Note
Disabled
378/IRQ7
Default
3BC/IRQ7
Onboard Parallel
Port
278/IRQ5
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] mode
3
Choose DMA3
Default
ECP Mode use
DMA
1
Choose DMA1
Summary of Contents for SY-P4IS2
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