Microstar MS-6547 (v1.X) ATX Mainboard G52-MA00514 - Manual (Page 51)

BIOS Setup
3-17
UART Mode Select
This setting allows you to specify the operation mode for serial port 2. Setting
options: IrDA, ASKIR, Normal.
Normal RS-232C Serial Port
IrDA IrDA-compliant Serial Infrared Port
ASKIR Amplitude Shift Keyed Infrared Port
RxD, TxD Active
This setting controls the receiving and transmitting speed of the IR peripheral
in use. Setting options: Hi/Hi, Hi/Lo, Lo/Hi, Lo/Lo.
IR Transmission Delay
This setting determines whether the IR transmission rate will be delayed while
converting to receiving mode. Setting options: Disabled, Enabled.
UR2 Duplex Mode
This setting controls the operating mode of IR transmission/reception. Setting
options: Full, Half. Under Full Duplex mode, synchronous, bi-directional trans-
mission/reception is allowed. Under Half Duplex mode, only asynchronous, bi-
directional transmission/reception is allowed.
Use IR Pins
Please consult your IR peripheral documentation to select the correct setting
of the TxD and RxD signals. Setting options: RxD2/TxD2, IR-Rx2Tx2.
Onboard Parallel Port
There is a built-in parallel port on the on-board Super I/O chipset that provides
Standard, ECP, and EPP features. It has the following options:
Disabled
3BC/IRQ7
Line Printer port 0
278/IRQ5 Line Printer port 2
378/IRQ7 Line Printer port 1
Parallel Port Mode
SPP : Standard Parallel Port
EPP : Enhanced Parallel Port
ECP : Extended Capability Port
ECP + EPP: Extended Capability Port + Enhanced Parallel Port
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