IWILL DS133R, Руководство пользователя, Страница: 65 / 80

Chapter 5 BIOS Setup
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DS133R Series
5.6.12 UART Mode Select
The UART (Universal Asynchronous Receiver/Transmitter) converts the parallel data
into serial format on the transmission side and converts serial data to parallel format
on the receiver side. This field must be configured in order to use the infrared connector,
which supports infrared wireless transmitting and receiving of data between devices
when using the appropriate application software. You must configure a Serial Port 2 to
support an IrDA module prior to using this feature.
Options Normal (*), IrDA, ASKIR
5.6.12.1 RxD, TxD Active for IrDA and ASKIR functions
When setting the field to either IrDA or ASKIR, you must select the active
level of receiving and transmission signal.
Options
Hi, Lo (*) / Lo, Hi / Lo, Lo / Hi, Hi
5.6.12.2 IR Transmission delay for IrDA and ASKIR functions
When setting the field to either IrDA or ASKIR, you must select
whether or not you require a delay between IR transmissions.
Options
Enabled (*)
Disabled
5.6.12.3 UR2 Duplex Mode for IrDA and ASKIR functions
When setting the field to either IrDA or ASKIR, you must select the
mode of receiving and transmitting signals.
Options
Half (*) / Full
5.6.12.4 Use IR Pins for IrDA and ASKIR functions
When setting the field to either IrDA or ASKIR, you must select the
mode of receiving and transmitting signals.
Options
IR-Rx2Tx2 / RxD2,TxD2
5.6.13 Parallel Port Mode
This field configures the operating mode of an onboard parallel port. Ensure
you know the specifications of your parallel port devices before selecting field.
Options SPP (*) / EPP / ECP
5.6.13.1 EPP Mode Select
When the Parallel Port Mode field is configured as EPP, ECP+EPP
mode, the EPP version needs to be specified. Please check the EPP
specifications before selecting field.
Options
Description
EPP1.7 (*) Use EPP 1.7 protocol
EPP1.9 Use EPP 1.9 protocol
5.6.13.2 ECP Mode Use DMA
When the Parallel Port Mode field is configured as ECP, ECP+EPP
mode, it needs a DMA channel for data transfer. This field specifies
the DMA channel for ECP parallel port use.
Options
Description
1 Use DMA channel 1
3 Use DMA Channel 3