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Chapter 3
UART 2 Mode
This item allows you to select the operation mode for the Onboard Serial
Port 2 if any. Settings: Disable, Standard, HPSIR and ASKIR.
IR Function Duplex
This item allows you to select the IR half/full duplex function.
TX, RX inverting enable
This item allows you to enable the TX, RX inverting which depends on
different H/W requirement. This field is not recommended to change its
default setting for avoiding any error in your system.
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:
Disable
3BCH/IRQ7 Line Printer port 0
278H/IRQ5
378H/IRQ7
Onboard Parallel Mode
SPP : Standard Parallel Port
EPP : Enhanced Parallel Port
ECP : Extended Capability Port
To operate the onboard parallel port as Standard Parallel Port only, choose
"SPP." To operate the onboard parallel port in the ECP and SPP modes
simultaneously, choose "ECP/SPP." By choosing "ECP", the onboard
parallel port will operate in ECP mode only. Choosing "ECP/EPP" will allow
the onboard parallel port to support both the ECP and EPP modes
simultaneously. The ECP mode has to use the DMA channel, so choose the
onboard parallel port with the ECP feature. After selecting it, the following
message will appear: "ECP Mode Use DMA" At this time the user can
choose between DMA channels 3 or 1. The onboard parallel port is EPP
Spec. compliant, so after the user chooses the onboard parallel port with the
EPP function, the following message will be displayed on the screen: "EPP
Line Printer port 2
Line Printer port 1
3-18
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