American Megatrends Olympus III, Руководство пользователя

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American Megatrends, Inc., Olympus III User’s Guide (Series 875)
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Section 2 Advanced Setup,
Continued
Serial Port2 Mode
This option specifies the mode of the secondary onboard serial port I/O port. The
Optimal and Fail-Safe setting is
Normal. When selecting settings other than Normal ,
more choices become available under it. The options are all related to Infrared settings.
IrDA (Infrared Data Association) Error! Bookmark not defined. has about the same
transfer rate as that of a parallel port.
Option Description
Normal This option allows the motherboard to set the secondary onboard serial port to standard serial
port.
Sharp IR Sharp IR or ASK IR is a protocol developed by Sharp for use with its range of electronic
organizers. Sharp was a manufacturing partner for the Apple MessagePad and released a similar
model at the same time. Apple adopted the Sharp protocol, and included an application in the
Newton OS 1.x to connect via infrared to Sharp organizers and exchange data. This Infrared
protocol is widely used in Japan.
SIR SIR or Serial IR operates at higher rates. It is meant for long-range transmission where you need
more than a few characters to pass through.
Consumer Consumer IR can be used in long distance, but the transfer rate is very slow.
IR Duplex Mode
This option specifies the Infrared transfer used when any infrared option is enabled on
serial port 2. The Optimal and Fail-Safe settings hide this option completely. The default
setting is
Full Duplex .
Option Description
Full Duplex This option allows the Infrared port to send and receive at the same time.
Half Duplex This option allows the Infrared port to send or receive information, then send or receive
information after the infrared port is clear. It cannot perform both a send and receive at the
same time.
IR Receiver Pin
This option allows you to specify the receiver pin used to receive IR signals.
Option Description
IRRX1 This option allows you to specify the IRRX1 pin to be used for receiving IR signals.
IRRX2 This option allows you to specify the IRRX2 pin to be used for receiving IR signals.
Cont’d