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BIOS Setup Utility
SY-P4I845PE
57
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 setting except for Disabled
or Auto.
Normal Default
IrDA
ASKIR
UART Mode
Select
SCR
The second serial port offers
several special modes. It can
either work as an infrared device
(IrDA, ASKIR) or as a Smart
Card reader (SCR).
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
[
Parall
e
l P
o
rt M
ode
]
i
s
se
t t
o
[
E
C
P
]
m
ode
3 Choose DMA3 Default
ECP Mode use
DMA
1 Choose DMA1