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43 Chapter 3
3.9.1 On-board FDC Controller
When enabled, this field allows you to connect your floppy disk drives to
the onboard floppy disk drive connector instead of a separate controller
card. If you want to use a different controller card to connect the floppy
disk drives, set this field to Disabled.
3.9.2 On-board Serial Port 1
The settings are 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/ IRQ3, Auto, and
Disabled for the on-board serial connector.
3.9.3 On-board Serial Port 2
The settings are 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/ IRQ3, Auto, and
Disabled for the on-board serial connector.
3.9.4 UART Mode Select
This item allows you to select the UART mode. The choices are IrDA,
ASKIR, and Normal.
3.9.5 RxD, TxD Active
This item allows you to determine the active mode of RxD/TxD. The
choices are: Hi/Hi, Lo/Lo, Lo/Hi, and Hi/Lo.
3.9.6 IR Transmission Delay
This item allows you to set the IR transmission delay. The choices are
Enabled and Disabled.
3.9.7 UR2 Duplex Mode
This item allows you to select the IR half/full duplex function. The
choices are Half and Full.
3.9.8 Use IR Pins
The choices are: RxD2, TxD2; IR-Rx2Tx2.
3.9.9 On-board Parallel Port
This field sets the address of the on-board parallel port connector. You
can select either 378/IRQ7, 278/IRQ5, 3BC/IRQ7, or Disabled. If you
install an I/O card with a parallel port, make sure there is no conflict in
the address assignments. The single board computer can support up to
three parallel ports, as long as there are no conflicts for each port.
3.9.10 Parallel Port Mode
This field allows you to set the operation mode of the parallel port. The
setting Normal allows normal speed operation, but in one direction only.
EPP allows bidirectional parallel port operation at maximum speed. ECP
allows the parallel port to operate in bi-directional mode and at a speed