IEI Integration ROCKY-3786 v4.0 - Manual (Page 111)

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ROCKY-3786EV CPU Card
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UART Mode Select [Normal]
Use the UART Mode Select to select the UART mode for the system.
Normal (Default) RS-232C serial port
IrDA Infrared port compliant with IrDA 1.0 specification
ASKIR Amplitude shift keyed infrared port
SCR Scratch pad register
UR2 Duplex Mode [Half]
Use the UR2 Duplex Mode option to specify the transmission mode for the IR port device.
Full Simultaneous bi-directional transmission occurs.
Half (Default) Transmission only occurs in one direction at a time.
Onboard Parallel Port [378/IRQ7]
Use the Onboard Parallel Port option to specify a logical LPT port address and
corresponding interrupt for the physical parallel port. The Onboard Parallel Port options
are:
Disabled
378/IRQ7 (Default)
278/IRQ5
3BC/IRQ7
Parallel Port Mode [SPP]
Use the Parallel Port Mode option to select parallel port operation mode.
SPP (Default) The parallel port operates in the standard parallel port
(SPP) mode. This parallel port mode works with most
parallel port devices but is slow.