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BIOS Setup Utility SY-7IWA-F
69
Onboard Serial Ports (Continued)
Onboard Serial
Ports
Setting Description Note
Half Default
UR2 Duplex
Mode
Duplex
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.
IR-Rx2Tx2 Default
Use IR Pins
RxD2,TxD2
Depending on the capabilities
of the receiving device, set
this item to full or half
duplex. (Full duplex allows
sending and receiving
simultaneously, halt duplex
only allows sending and
receiving to occur separately).
3-5.6 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
If [Parallel Port Mode] is set to [EPP] mode
EPP 1.9 Select EPP port type 1.9
EPP Mode Select
EPP 1.7 Select EPP port type 1.7 Default