User manual

39 Chapter 4
4.5.8 IDE HDD Block Mode
You can enable the Primary IDE channel and/or the Secondary IDE chan-
nel. Any channel not enabled is disabled. This field is for systems with
only SCSI drives.
4.5.9 Onboard 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.
4.5.10 Onboard Serial Port
For settings reference the Appendix for the serial resource allocation,
and Disabled for the on-board serial connector
4.5.11 UART Mode Select
This item allows you to select UART mode. The choices: IrDA, ASKIR,
Normal.
4.5.12 RxD, TxD Active
This item allows you to determine the active of RxD, TxD. The Choices:
“Hi, Hi,” “Lo, Lo,” “Lo, Hi,” “Hi, Lo.”
4.5.13 IR Transmission Delay
This item allows you to enable/disable IR transmission delay. The
choices: Enabled, Disabled.
4.5.14 UR2 Duplex Mode
This item allows you to select the IR half/full duplex function. The
choices: Half, Full.
4.5.15 Onboard Parallel Port
This field sets the address of the on-board parallel port connector. You
can select either 3BCH/IRQ7, 378H/IRQ7, 278H/IRQ5 or Disabled. If
you install an I/O card with a parallel port, make sure there is no conflict
in the address assignments. The CPU card can support up to three parallel
ports, as long as there are no conflicts for each port.
4.5.16 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 faster than the maximum data transfer rate. “ECP + EPP”
allows normal speed operation in a two-way mode.